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Volumetric flow rate

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The above equation is only true for uniform or homogeneous flow velocity and a flat or planar cross section. In general, including spatially variable or non-homogeneous flow velocity and curved surfaces, the equation becomes a
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crossing the boundary for some time duration, not simply the initial amount of volume at the boundary minus the final amount at the boundary, since the change in volume flowing through the area would be zero for steady flow.
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is where the valve closes (seconds, mm, radians). This has to be factored by the width (circumference) of the valve throat. The answer is usually related to the cylinder's swept volume.
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Since this is only the time derivative of volume, a scalar quantity, the volumetric flow rate is also a scalar quantity. The change in volume is the amount that flows
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In internal combustion engines, the time area integral is considered over the range of valve opening. The time lift integral is given by
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required to calculate the volumetric flow rate is real or imaginary, flat or curved, either as a cross-sectional area or a surface. The
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equal to 1 million cubic metres per second (260,000,000 US gal/s); it is equivalent to the SI derived unit cubic
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These results are equivalent to the dot product between velocity and the normal direction to the area.
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of the substance elements. The amount passing through the cross-section is reduced by the factor
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increases less volume passes through. Substance which passes tangential to the area, that is
1899: 1852:) is the volume of fluid which passes per unit time; usually it is represented by the symbol 1657: 1234: 547: 393: 242: 1969: 1145: 4489: 4035: 3795: 3652: 3602: 3396: 2169: 2142: 1737: 1662: 1652: 452: 314: 3122: 8: 4385: 4380: 4181: 4025: 3647: 3500: 3421: 3328: 3091: 3058: 2469: 2001: 1682: 1444: 466: 432: 427: 340: 3083: 1677: 656: 4411: 4324: 4289: 4141: 3657: 3562: 3466: 3358: 3291: 3021: 2980: 2677: 2371:
is a combination of the magnitude of the area through which the volume passes through,
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for volumetric flow and mass flow respectively, to distinguish from the notation
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is known, and the density can be assumed constant, this is an easy way to get
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to the unit normal, does not pass through the area. This occurs when
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is the distance from the camshaft centreline to the cam tip,
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the cross-section is the amount normal to the area, that is,
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needs attention from an expert in Physics or Engineering
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Rosenstiel School of Marine, Atmospheric, and Earth Science
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and so this amount of the volumetric flow rate is zero:
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The 1945:, volumetric flow rate is often expressed as 1922:over an area gives the volumetric flow rate. 1809: 3235:The IUPAC Compendium of Chemical Terminology 3209:The IUPAC Compendium of Chemical Terminology 3183:The IUPAC Compendium of Chemical Terminology 2733:{\displaystyle Q={\frac {\dot {m}}{\rho }},} 2221:Volumetric flow rate can also be defined by 3275: 3261: 1816: 1802: 214: 78:Volume of fluid which passes per unit time 2789: 2216: 1995: 1961:(symbol: Sv, not to be confused with the 2942:is the radius of the camshaft (that is, 1953:(either US or imperial definitions). In 3874:International scale of river difficulty 2961:is the angle where opening begins, and 2464:is as follows. The only volume flowing 2000:Volumetric flow rate is defined by the 1897:, the volumetric flow rate is known as 14: 4513: 175: 161: 61:may be able to help recruit an expert. 3256: 3146:"Fluid Volumetric Flow Rate Equation" 2768: 2547:{\displaystyle {\hat {\mathbf {n} }}} 2523:is the angle between the unit normal 2403:{\displaystyle {\hat {\mathbf {n} }}} 1935:standard cubic centimetres per minute 46:Lacks treatment of compressible flow. 2973: 26: 2472:to the unit normal. This amount is 1984:, it is used almost exclusively in 24: 2791: 2338: 2090: 2080: 2064: 2056: 2039: 1023: 976: 891: 844: 756: 709: 529:Intensive and extensive properties 25: 4542: 2509:{\displaystyle Q=vA\cos \theta ,} 2666:Relationship with mass flow rate 2534: 2432: 2418: 2390: 2343: 2330: 2246: 2238: 2124:through a surface per unit time 1785: 1784: 1104:Table of thermodynamic equations 31: 4031:Flooded grasslands and savannas 3005:List of waterfalls by flow rate 1580:Maxwell's thermodynamic surface 3223: 3197: 3171: 3159: 3137: 3107: 3076: 2911: 2885: 2859: 2821: 2538: 2436: 2394: 2045: 1914:and represented by the symbol 1314: 1302: 1259: 1247: 1204: 1192: 1164: 1152: 13: 1: 3069: 2455: 1481:Mechanical equivalent of heat 4197:Universal Soil Loss Equation 4147:Hydrological transport model 4041:Storm Water Management Model 2934:is the time per revolution, 1933:(m/s). Another unit used is 1093:Onsager reciprocal relations 7: 3027: 3000:List of rivers by discharge 2139:IUPAC prefers the notation 2035: 1585:Entropy as energy dispersal 1396:"Perpetual motion" machines 1335:{\displaystyle G(T,p)=H-TS} 1280:{\displaystyle A(T,V)=U-TS} 1225:{\displaystyle H(S,p)=U+pV} 44:. The specific problem is: 10: 4547: 3701:Antecedent drainage stream 1878:{\displaystyle {\dot {V}}} 1032:{\displaystyle \partial T} 985:{\displaystyle \partial V} 900:{\displaystyle \partial p} 853:{\displaystyle \partial V} 765:{\displaystyle \partial T} 718:{\displaystyle \partial S} 126:{\displaystyle {\dot {V}}} 80: 4465: 4437:River valley civilization 4399: 4338: 4320:Riparian-zone restoration 4220: 4082: 4054: 3955: 3927: 3859: 3681: 3548: 3465: 3387: 3298: 1506:An Inquiry Concerning the 146: 136: 95: 90: 4500:Countries without rivers 4475:Rivers by discharge rate 4187:Runoff model (reservoir) 4152:Infiltration (hydrology) 2554:and the velocity vector 1519:Heterogeneous Substances 936:{\displaystyle \alpha =} 804:{\displaystyle \beta =-} 81:Not to be confused with 4172:River Continuum Concept 3937:Agricultural wastewater 3243:10.1351/goldbook.H02752 3217:10.1351/goldbook.M03720 3191:10.1351/goldbook.V06642 3115:"Sverdrups & Brine" 3018:dust collection systems 3010:Weir § Flow measurement 1931:cubic metres per second 59:WikiProject Engineering 4495:River name etymologies 4422:Hydraulic civilization 4280:Floodplain restoration 4056:Point source pollution 3831:Sedimentary structures 3179:"Volume flow rate, qv" 3088:Ocean Surface Currents 2952:is the maximum lift), 2921: 2734: 2688: 2653: 2548: 2510: 2446: 2404: 2354: 2257: 2217:Alternative definition 2207: 2187: 2160: 2107: 1996:Fundamental definition 1879: 1336: 1281: 1226: 1171: 1170:{\displaystyle U(S,V)} 1033: 1009: 986: 962: 937: 901: 877: 854: 830: 805: 766: 742: 719: 695: 670: 649:Specific heat capacity 253:Quantum thermodynamics 193: 127: 4531:Mechanical quantities 4107:Discharge (hydrology) 4069:Industrial wastewater 3550:Sedimentary processes 3144:Engineers Edge, LLC. 2922: 2735: 2689: 2654: 2549: 2511: 2447: 2405: 2355: 2258: 2208: 2188: 2186:{\displaystyle q_{m}} 2161: 2159:{\displaystyle q_{v}} 2116:that is, the flow of 2108: 1949:per second (ft/s) or 1885:). It contrasts with 1880: 1517:On the Equilibrium of 1337: 1282: 1235:Helmholtz free energy 1227: 1172: 1034: 1010: 987: 963: 938: 902: 878: 855: 831: 806: 767: 743: 720: 696: 671: 194: 128: 4212:Volumetric flow rate 3796:Riffle-pool sequence 3205:"Mass flow rate, qm" 2780: 2701: 2678: 2604: 2527: 2479: 2414: 2383: 2379:normal to the area, 2310: 2228: 2197: 2170: 2143: 2010: 1860: 1842:volumetric flow rate 1530:Motive Power of Fire 1296: 1241: 1186: 1146: 1098:Bridgman's equations 1075:Fundamental relation 1020: 999: 973: 952: 924: 888: 867: 841: 820: 789: 753: 732: 706: 685: 657: 155: 108: 4386:Whitewater kayaking 4381:Whitewater canoeing 4182:Runoff curve number 4026:Flood pulse concept 3092:University of Miami 2460:The reason for the 1508:Source ... Friction 1440:Loschmidt's paradox 632:Material properties 510:Conjugate variables 55:WikiProject Physics 4412:Aquatic toxicology 4325:Stream restoration 4290:Infiltration basin 4142:Hydrological model 3658:Sediment transport 3481:Estavelle/Inversac 3359:Subterranean river 3125:on 20 January 2011 3022:air-to-cloth ratio 2981:cardiac physiology 2917: 2769:Related quantities 2730: 2684: 2649: 2544: 2506: 2442: 2410:. The relation is 2400: 2350: 2253: 2203: 2183: 2156: 2103: 2052: 1951:gallons per minute 1939:US customary units 1891:rate of fluid flow 1875: 1772:Order and disorder 1528:Reflections on the 1435:Heat death paradox 1332: 1277: 1222: 1167: 1029: 1005: 982: 958: 933: 897: 873: 850: 826: 801: 762: 738: 715: 691: 669:{\displaystyle c=} 666: 639:Property databases 615:Reduced properties 599:Chemical potential 563:Functions of state 486:Thermal efficiency 222:Carnot heat engine 189: 123: 4508: 4507: 4485:Whitewater rivers 4391:Whitewater slalom 4222:River engineering 4122:Groundwater model 4083:River measurement 4011:Flood forecasting 3826:Sedimentary basin 3683:Fluvial landforms 3588:Bed material load 3364:River bifurcation 3167:https://iupac.org 2974:Some key examples 2883: 2819: 2725: 2720: 2687:{\displaystyle Q} 2637: 2541: 2439: 2397: 2206:{\displaystyle Q} 2098: 2071: 2034: 2028: 1872: 1826: 1825: 1767:Self-organization 1592: 1591: 1290:Gibbs free energy 1088:Maxwell relations 1046: 1045: 1042: 1041: 1008:{\displaystyle V} 961:{\displaystyle 1} 916:Thermal expansion 910: 909: 876:{\displaystyle V} 829:{\displaystyle 1} 775: 774: 741:{\displaystyle N} 694:{\displaystyle T} 622: 621: 538:Process functions 524:Property diagrams 503:System properties 493: 492: 458:Endoreversibility 350:Equation of state 202: 201: 120: 76: 75: 16:(Redirected from 4538: 4470:Rivers by length 4305:River morphology 4207:Wetted perimeter 4112:Drainage density 3623:Headward erosion 3452:Perennial stream 3324:Blackwater river 3277: 3270: 3263: 3254: 3253: 3247: 3246: 3227: 3221: 3220: 3201: 3195: 3194: 3175: 3169: 3163: 3157: 3156: 3154: 3153: 3148:. Engineers Edge 3141: 3135: 3134: 3132: 3130: 3121:. Archived from 3111: 3105: 3104: 3102: 3101: 3080: 3059:Poiseuille's law 3039:Flow measurement 2969: 2960: 2951: 2941: 2937: 2933: 2926: 2924: 2923: 2918: 2910: 2909: 2897: 2896: 2884: 2882: 2874: 2866: 2858: 2857: 2839: 2838: 2820: 2818: 2810: 2802: 2794: 2759: 2749: 2739: 2737: 2736: 2731: 2726: 2721: 2713: 2711: 2693: 2691: 2690: 2685: 2658: 2656: 2655: 2650: 2642: 2638: 2630: 2596: 2595: 2593: 2592: 2589: 2586: 2570: 2566: 2559: 2553: 2551: 2550: 2545: 2543: 2542: 2537: 2532: 2522: 2515: 2513: 2512: 2507: 2451: 2449: 2448: 2443: 2441: 2440: 2435: 2430: 2421: 2409: 2407: 2406: 2401: 2399: 2398: 2393: 2388: 2374: 2359: 2357: 2356: 2351: 2346: 2341: 2333: 2328: 2327: 2301:surface integral 2286: 2274: 2262: 2260: 2259: 2254: 2249: 2241: 2212: 2210: 2209: 2204: 2192: 2190: 2189: 2184: 2182: 2181: 2165: 2163: 2162: 2157: 2155: 2154: 2127: 2123: 2112: 2110: 2109: 2104: 2099: 2097: 2093: 2087: 2083: 2077: 2072: 2070: 2062: 2054: 2051: 2030: 2029: 2021: 1975: 1917: 1910:, as defined by 1884: 1882: 1881: 1876: 1874: 1873: 1865: 1855: 1846:volume flow rate 1836:, in particular 1818: 1811: 1804: 1788: 1787: 1495:Key publications 1476: 1475:("living force") 1425:Brownian ratchet 1420:Entropy and life 1415:Entropy and time 1366: 1365: 1341: 1339: 1338: 1333: 1286: 1284: 1283: 1278: 1231: 1229: 1228: 1223: 1176: 1174: 1173: 1168: 1070:Clausius theorem 1065:Carnot's theorem 1038: 1036: 1035: 1030: 1014: 1012: 1011: 1006: 991: 989: 988: 983: 967: 965: 964: 959: 946: 945: 942: 940: 939: 934: 906: 904: 903: 898: 882: 880: 879: 874: 859: 857: 856: 851: 835: 833: 832: 827: 814: 813: 810: 808: 807: 802: 771: 769: 768: 763: 747: 745: 744: 739: 724: 722: 721: 716: 700: 698: 697: 692: 679: 678: 675: 673: 672: 667: 645: 644: 518: 517: 337: 336: 218: 204: 203: 198: 196: 195: 190: 188: 187: 179: 178: 171: 170: 165: 164: 132: 130: 129: 124: 122: 121: 113: 103: 91:Volume flow rate 88: 87: 71: 68: 62: 35: 34: 27: 21: 18:Volume flow rate 4546: 4545: 4541: 4540: 4539: 4537: 4536: 4535: 4511: 4510: 4509: 4504: 4480:Drainage basins 4461: 4395: 4334: 4310:Retention basin 4270:Erosion control 4265:Detention basin 4216: 4132:Hjulström curve 4084: 4078: 4050: 3994:Non-water flood 3951: 3923: 3869:Helicoidal flow 3855: 3756:Fluvial terrace 3751:Floating island 3677: 3552: 3544: 3535:Rhythmic spring 3469: 3461: 3442:Stream gradient 3383: 3369:River ecosystem 3334:Channel pattern 3302: 3294: 3281: 3251: 3250: 3229: 3228: 3224: 3203: 3202: 3198: 3177: 3176: 3172: 3164: 3160: 3151: 3149: 3142: 3138: 3128: 3126: 3113: 3112: 3108: 3099: 3097: 3082: 3081: 3077: 3072: 3030: 2976: 2968: 2962: 2959: 2953: 2943: 2939: 2935: 2931: 2905: 2901: 2892: 2888: 2875: 2867: 2865: 2853: 2849: 2834: 2830: 2811: 2803: 2801: 2790: 2781: 2778: 2777: 2771: 2757: 2747: 2712: 2710: 2702: 2699: 2698: 2679: 2676: 2675: 2668: 2629: 2625: 2605: 2602: 2601: 2590: 2587: 2584: 2583: 2581: 2576: 2568: 2561: 2555: 2533: 2531: 2530: 2528: 2525: 2524: 2520: 2480: 2477: 2476: 2458: 2431: 2429: 2428: 2417: 2415: 2412: 2411: 2389: 2387: 2386: 2384: 2381: 2380: 2372: 2342: 2337: 2329: 2323: 2319: 2311: 2308: 2307: 2289:cross-sectional 2282: 2270: 2245: 2237: 2229: 2226: 2225: 2219: 2198: 2195: 2194: 2177: 2173: 2171: 2168: 2167: 2150: 2146: 2144: 2141: 2140: 2125: 2121: 2089: 2088: 2079: 2078: 2076: 2063: 2055: 2053: 2038: 2020: 2019: 2011: 2008: 2007: 1998: 1982:Harald Sverdrup 1973: 1915: 1908:volumetric flux 1864: 1863: 1861: 1858: 1857: 1853: 1850:volume velocity 1844:(also known as 1822: 1777: 1776: 1752: 1744: 1743: 1742: 1602: 1594: 1593: 1572: 1558: 1533: 1529: 1522: 1518: 1511: 1507: 1474: 1467: 1449: 1430:Maxwell's demon 1392: 1363: 1362: 1346: 1345: 1344: 1297: 1294: 1293: 1292: 1242: 1239: 1238: 1237: 1187: 1184: 1183: 1182: 1147: 1144: 1143: 1142: 1140:Internal energy 1135: 1120: 1110: 1109: 1084: 1059: 1049: 1048: 1047: 1021: 1018: 1017: 1000: 997: 996: 974: 971: 970: 953: 950: 949: 925: 922: 921: 889: 886: 885: 868: 865: 864: 842: 839: 838: 821: 818: 817: 790: 787: 786: 781:Compressibility 754: 751: 750: 733: 730: 729: 707: 704: 703: 686: 683: 682: 658: 655: 654: 634: 624: 623: 604:Particle number 557: 516: 505: 495: 494: 453:Irreversibility 365:State of matter 332:Isolated system 317: 307: 306: 305: 280: 270: 269: 265:Non-equilibrium 257: 232: 224: 180: 174: 173: 172: 166: 160: 159: 158: 156: 153: 152: 112: 111: 109: 106: 105: 101: 98: 86: 83:Volumetric flux 79: 72: 66: 63: 53: 36: 32: 23: 22: 15: 12: 11: 5: 4544: 4534: 4533: 4528: 4526:Temporal rates 4523: 4521:Fluid dynamics 4506: 4505: 4503: 4502: 4497: 4492: 4487: 4482: 4477: 4472: 4466: 4463: 4462: 4460: 4459: 4454: 4449: 4444: 4439: 4434: 4429: 4424: 4419: 4414: 4409: 4403: 4401: 4397: 4396: 4394: 4393: 4388: 4383: 4378: 4373: 4371:Stone skipping 4368: 4363: 4358: 4353: 4348: 4342: 4340: 4336: 4335: 4333: 4332: 4327: 4322: 4317: 4312: 4307: 4302: 4297: 4292: 4287: 4282: 4277: 4272: 4267: 4262: 4257: 4255:Drop structure 4252: 4247: 4242: 4237: 4235:Balancing lake 4232: 4226: 4224: 4218: 4217: 4215: 4214: 4209: 4204: 4199: 4194: 4189: 4184: 4179: 4174: 4169: 4164: 4162:Playfair's law 4159: 4154: 4149: 4144: 4139: 4134: 4129: 4124: 4119: 4117:Exner equation 4114: 4109: 4104: 4102:Bradshaw model 4099: 4094: 4088: 4086: 4080: 4079: 4077: 4076: 4071: 4066: 4060: 4058: 4052: 4051: 4049: 4048: 4043: 4038: 4033: 4028: 4023: 4018: 4013: 4008: 4003: 3998: 3997: 3996: 3991: 3989:Urban flooding 3981: 3976: 3974:Crevasse splay 3971: 3969:100-year flood 3965: 3963: 3953: 3952: 3950: 3949: 3944: 3939: 3933: 3931: 3929:Surface runoff 3925: 3924: 3922: 3921: 3916: 3911: 3909:Stream capture 3906: 3901: 3896: 3891: 3886: 3881: 3876: 3871: 3865: 3863: 3857: 3856: 3854: 3853: 3848: 3843: 3838: 3833: 3828: 3823: 3821:Rock-cut basin 3818: 3813: 3808: 3803: 3798: 3793: 3788: 3783: 3778: 3773: 3768: 3763: 3758: 3753: 3748: 3743: 3738: 3733: 3728: 3723: 3718: 3713: 3708: 3703: 3698: 3693: 3687: 3685: 3679: 3678: 3676: 3675: 3670: 3665: 3663:Suspended load 3660: 3655: 3653:Secondary flow 3650: 3645: 3643:Retrogradation 3640: 3635: 3630: 3625: 3620: 3615: 3610: 3608:Dissolved load 3605: 3600: 3595: 3590: 3585: 3580: 3575: 3570: 3565: 3559: 3557: 3546: 3545: 3543: 3542: 3540:Spring horizon 3537: 3532: 3527: 3525:Mineral spring 3522: 3521: 3520: 3510: 3509: 3508: 3506:list in the US 3503: 3493: 3488: 3483: 3477: 3475: 3463: 3462: 3460: 3459: 3454: 3449: 3444: 3439: 3434: 3432:Stream channel 3429: 3424: 3419: 3414: 3409: 3404: 3399: 3393: 3391: 3385: 3384: 3382: 3381: 3376: 3371: 3366: 3361: 3356: 3354:Drainage basin 3351: 3346: 3341: 3336: 3331: 3326: 3321: 3316: 3314:Alluvial river 3310: 3308: 3296: 3295: 3280: 3279: 3272: 3265: 3257: 3249: 3248: 3222: 3196: 3170: 3158: 3136: 3106: 3074: 3073: 3071: 3068: 3067: 3066: 3061: 3056: 3051: 3049:Mass flow rate 3046: 3041: 3036: 3029: 3026: 3025: 3024: 3014: 3013: 3012: 3007: 3002: 2987: 2985:cardiac output 2975: 2972: 2966: 2957: 2928: 2927: 2916: 2913: 2908: 2904: 2900: 2895: 2891: 2887: 2881: 2878: 2873: 2870: 2864: 2861: 2856: 2852: 2848: 2845: 2842: 2837: 2833: 2829: 2826: 2823: 2817: 2814: 2809: 2806: 2800: 2797: 2793: 2788: 2785: 2770: 2767: 2766: 2765: 2755: 2752:mass flow rate 2741: 2740: 2729: 2724: 2719: 2716: 2709: 2706: 2683: 2672:mass flow rate 2667: 2664: 2660: 2659: 2648: 2645: 2641: 2636: 2633: 2628: 2624: 2621: 2618: 2615: 2612: 2609: 2540: 2536: 2517: 2516: 2505: 2502: 2499: 2496: 2493: 2490: 2487: 2484: 2457: 2454: 2438: 2434: 2427: 2424: 2420: 2396: 2392: 2361: 2360: 2349: 2345: 2340: 2336: 2332: 2326: 2322: 2318: 2315: 2296: 2295: 2280: 2264: 2263: 2252: 2248: 2244: 2240: 2236: 2233: 2218: 2215: 2202: 2180: 2176: 2153: 2149: 2114: 2113: 2102: 2096: 2092: 2086: 2082: 2075: 2069: 2066: 2061: 2058: 2050: 2047: 2044: 2041: 2037: 2033: 2027: 2024: 2018: 2015: 1997: 1994: 1990:ocean currents 1972:of flow, with 1943:imperial units 1887:mass flow rate 1871: 1868: 1838:fluid dynamics 1824: 1823: 1821: 1820: 1813: 1806: 1798: 1795: 1794: 1793: 1792: 1779: 1778: 1775: 1774: 1769: 1764: 1759: 1753: 1750: 1749: 1746: 1745: 1741: 1740: 1735: 1730: 1725: 1720: 1715: 1710: 1705: 1700: 1695: 1690: 1685: 1680: 1675: 1670: 1665: 1660: 1655: 1650: 1645: 1640: 1635: 1630: 1625: 1620: 1615: 1610: 1604: 1603: 1600: 1599: 1596: 1595: 1590: 1589: 1588: 1587: 1582: 1574: 1573: 1571: 1570: 1567: 1563: 1560: 1559: 1557: 1556: 1551: 1549:Thermodynamics 1545: 1542: 1541: 1537: 1536: 1535: 1534: 1525: 1523: 1514: 1512: 1503: 1498: 1497: 1491: 1490: 1489: 1488: 1483: 1478: 1466: 1465: 1463:Caloric theory 1459: 1456: 1455: 1451: 1450: 1448: 1447: 1442: 1437: 1432: 1427: 1422: 1417: 1411: 1408: 1407: 1401: 1400: 1399: 1398: 1391: 1390: 1385: 1380: 1374: 1371: 1370: 1364: 1361: 1360: 1357: 1353: 1352: 1351: 1348: 1347: 1343: 1342: 1331: 1328: 1325: 1322: 1319: 1316: 1313: 1310: 1307: 1304: 1301: 1287: 1276: 1273: 1270: 1267: 1264: 1261: 1258: 1255: 1252: 1249: 1246: 1232: 1221: 1218: 1215: 1212: 1209: 1206: 1203: 1200: 1197: 1194: 1191: 1177: 1166: 1163: 1160: 1157: 1154: 1151: 1136: 1134: 1133: 1128: 1122: 1121: 1116: 1115: 1112: 1111: 1108: 1107: 1100: 1095: 1090: 1083: 1082: 1077: 1072: 1067: 1061: 1060: 1055: 1054: 1051: 1050: 1044: 1043: 1040: 1039: 1028: 1025: 1015: 1004: 993: 992: 981: 978: 968: 957: 943: 932: 929: 919: 912: 911: 908: 907: 896: 893: 883: 872: 861: 860: 849: 846: 836: 825: 811: 800: 797: 794: 784: 777: 776: 773: 772: 761: 758: 748: 737: 726: 725: 714: 711: 701: 690: 676: 665: 662: 652: 643: 642: 641: 635: 630: 629: 626: 625: 620: 619: 618: 617: 612: 607: 596: 585: 566: 565: 559: 558: 556: 555: 550: 544: 541: 540: 534: 533: 532: 531: 526: 507: 506: 501: 500: 497: 496: 491: 490: 489: 488: 483: 478: 470: 469: 463: 462: 461: 460: 455: 450: 445: 443:Free expansion 440: 435: 430: 425: 420: 415: 410: 405: 397: 396: 390: 389: 388: 387: 382: 380:Control volume 377: 372: 370:Phase (matter) 367: 362: 357: 352: 344: 343: 335: 334: 329: 324: 318: 313: 312: 309: 308: 304: 303: 298: 293: 288: 282: 281: 276: 275: 272: 271: 268: 267: 256: 255: 250: 245: 240: 234: 233: 230: 229: 226: 225: 220:The classical 219: 211: 210: 208:Thermodynamics 200: 199: 186: 183: 177: 169: 163: 150: 144: 143: 140: 134: 133: 119: 116: 99: 97:Common symbols 96: 93: 92: 77: 74: 73: 39: 37: 30: 9: 6: 4: 3: 2: 4543: 4532: 4529: 4527: 4524: 4522: 4519: 4518: 4516: 4501: 4498: 4496: 4493: 4491: 4488: 4486: 4483: 4481: 4478: 4476: 4473: 4471: 4468: 4467: 4464: 4458: 4455: 4453: 4452:Surface water 4450: 4448: 4447:Sacred waters 4445: 4443: 4440: 4438: 4435: 4433: 4432:Riparian zone 4430: 4428: 4425: 4423: 4420: 4418: 4417:Body of water 4415: 4413: 4410: 4408: 4405: 4404: 4402: 4398: 4392: 4389: 4387: 4384: 4382: 4379: 4377: 4374: 4372: 4369: 4367: 4366:Riverboarding 4364: 4362: 4361:River surfing 4359: 4357: 4354: 4352: 4349: 4347: 4344: 4343: 4341: 4337: 4331: 4328: 4326: 4323: 4321: 4318: 4316: 4313: 4311: 4308: 4306: 4303: 4301: 4298: 4296: 4293: 4291: 4288: 4286: 4283: 4281: 4278: 4276: 4273: 4271: 4268: 4266: 4263: 4261: 4258: 4256: 4253: 4251: 4248: 4246: 4243: 4241: 4238: 4236: 4233: 4231: 4228: 4227: 4225: 4223: 4219: 4213: 4210: 4208: 4205: 4203: 4200: 4198: 4195: 4193: 4190: 4188: 4185: 4183: 4180: 4178: 4175: 4173: 4170: 4168: 4165: 4163: 4160: 4158: 4155: 4153: 4150: 4148: 4145: 4143: 4140: 4138: 4135: 4133: 4130: 4128: 4125: 4123: 4120: 4118: 4115: 4113: 4110: 4108: 4105: 4103: 4100: 4098: 4095: 4093: 4090: 4089: 4087: 4085:and modelling 4081: 4075: 4072: 4070: 4067: 4065: 4062: 4061: 4059: 4057: 4053: 4047: 4046:Return period 4044: 4042: 4039: 4037: 4034: 4032: 4029: 4027: 4024: 4022: 4019: 4017: 4014: 4012: 4009: 4007: 4006:Flood control 4004: 4002: 4001:Flood barrier 3999: 3995: 3992: 3990: 3987: 3986: 3985: 3982: 3980: 3977: 3975: 3972: 3970: 3967: 3966: 3964: 3962: 3958: 3954: 3948: 3945: 3943: 3940: 3938: 3935: 3934: 3932: 3930: 3926: 3920: 3917: 3915: 3912: 3910: 3907: 3905: 3902: 3900: 3897: 3895: 3892: 3890: 3887: 3885: 3882: 3880: 3877: 3875: 3872: 3870: 3867: 3866: 3864: 3862: 3858: 3852: 3849: 3847: 3844: 3842: 3839: 3837: 3834: 3832: 3829: 3827: 3824: 3822: 3819: 3817: 3814: 3812: 3809: 3807: 3804: 3802: 3799: 3797: 3794: 3792: 3789: 3787: 3784: 3782: 3779: 3777: 3774: 3772: 3769: 3767: 3764: 3762: 3759: 3757: 3754: 3752: 3749: 3747: 3744: 3742: 3739: 3737: 3734: 3732: 3729: 3727: 3724: 3722: 3719: 3717: 3714: 3712: 3709: 3707: 3704: 3702: 3699: 3697: 3694: 3692: 3689: 3688: 3686: 3684: 3680: 3674: 3671: 3669: 3666: 3664: 3661: 3659: 3656: 3654: 3651: 3649: 3646: 3644: 3641: 3639: 3636: 3634: 3633:Palaeochannel 3631: 3629: 3626: 3624: 3621: 3619: 3616: 3614: 3611: 3609: 3606: 3604: 3601: 3599: 3596: 3594: 3593:Granular flow 3591: 3589: 3586: 3584: 3581: 3579: 3576: 3574: 3571: 3569: 3566: 3564: 3561: 3560: 3558: 3556: 3551: 3547: 3541: 3538: 3536: 3533: 3531: 3528: 3526: 3523: 3519: 3516: 3515: 3514: 3511: 3507: 3504: 3502: 3499: 3498: 3497: 3494: 3492: 3489: 3487: 3484: 3482: 3479: 3478: 3476: 3473: 3468: 3464: 3458: 3455: 3453: 3450: 3448: 3445: 3443: 3440: 3438: 3435: 3433: 3430: 3428: 3425: 3423: 3420: 3418: 3415: 3413: 3410: 3408: 3405: 3403: 3400: 3398: 3395: 3394: 3392: 3390: 3386: 3380: 3377: 3375: 3372: 3370: 3367: 3365: 3362: 3360: 3357: 3355: 3352: 3350: 3347: 3345: 3342: 3340: 3339:Channel types 3337: 3335: 3332: 3330: 3327: 3325: 3322: 3320: 3319:Braided river 3317: 3315: 3312: 3311: 3309: 3306: 3301: 3297: 3293: 3289: 3285: 3278: 3273: 3271: 3266: 3264: 3259: 3258: 3255: 3244: 3240: 3236: 3232: 3226: 3218: 3214: 3210: 3206: 3200: 3192: 3188: 3184: 3180: 3174: 3168: 3162: 3147: 3140: 3124: 3120: 3116: 3110: 3096: 3093: 3089: 3085: 3079: 3075: 3065: 3062: 3060: 3057: 3055: 3054:Orifice plate 3052: 3050: 3047: 3045: 3042: 3040: 3037: 3035: 3034:Bulk velocity 3032: 3031: 3023: 3019: 3015: 3011: 3008: 3006: 3003: 3001: 2998: 2997: 2996: 2992: 2988: 2986: 2982: 2978: 2977: 2971: 2965: 2956: 2950: 2946: 2914: 2906: 2902: 2898: 2893: 2889: 2879: 2876: 2871: 2868: 2862: 2854: 2850: 2846: 2843: 2840: 2835: 2831: 2827: 2824: 2815: 2812: 2807: 2804: 2798: 2795: 2786: 2783: 2776: 2775: 2774: 2763: 2756: 2753: 2746: 2745: 2744: 2727: 2722: 2717: 2714: 2707: 2704: 2697: 2696: 2695: 2681: 2673: 2663: 2646: 2643: 2639: 2634: 2631: 2626: 2622: 2619: 2616: 2613: 2610: 2607: 2600: 2599: 2598: 2579: 2574: 2573:perpendicular 2565: 2558: 2503: 2500: 2497: 2494: 2491: 2488: 2485: 2482: 2475: 2474: 2473: 2471: 2467: 2463: 2453: 2425: 2422: 2378: 2370: 2366: 2347: 2334: 2324: 2320: 2316: 2313: 2306: 2305: 2304: 2302: 2293: 2290: 2285: 2281: 2278: 2277:flow velocity 2273: 2269: 2268: 2267: 2250: 2242: 2234: 2231: 2224: 2223: 2222: 2214: 2200: 2178: 2174: 2151: 2147: 2137: 2134: 2129: 2119: 2100: 2094: 2084: 2073: 2067: 2059: 2048: 2042: 2031: 2025: 2022: 2016: 2013: 2006: 2005: 2004: 2003: 1993: 1991: 1987: 1983: 1979: 1971: 1968: 1964: 1960: 1956: 1952: 1948: 1944: 1940: 1936: 1932: 1928: 1923: 1921: 1913: 1909: 1904: 1902: 1901: 1896: 1892: 1888: 1869: 1866: 1851: 1847: 1843: 1839: 1835: 1831: 1819: 1814: 1812: 1807: 1805: 1800: 1799: 1797: 1796: 1791: 1783: 1782: 1781: 1780: 1773: 1770: 1768: 1765: 1763: 1762:Self-assembly 1760: 1758: 1755: 1754: 1748: 1747: 1739: 1736: 1734: 1733:van der Waals 1731: 1729: 1726: 1724: 1721: 1719: 1716: 1714: 1711: 1709: 1706: 1704: 1701: 1699: 1696: 1694: 1691: 1689: 1686: 1684: 1681: 1679: 1676: 1674: 1671: 1669: 1666: 1664: 1661: 1659: 1658:von Helmholtz 1656: 1654: 1651: 1649: 1646: 1644: 1641: 1639: 1636: 1634: 1631: 1629: 1626: 1624: 1621: 1619: 1616: 1614: 1611: 1609: 1606: 1605: 1598: 1597: 1586: 1583: 1581: 1578: 1577: 1576: 1575: 1568: 1565: 1564: 1562: 1561: 1555: 1552: 1550: 1547: 1546: 1544: 1543: 1539: 1538: 1532: 1531: 1524: 1521: 1520: 1513: 1510: 1509: 1502: 1501: 1500: 1499: 1496: 1493: 1492: 1487: 1484: 1482: 1479: 1477: 1473: 1469: 1468: 1464: 1461: 1460: 1458: 1457: 1453: 1452: 1446: 1443: 1441: 1438: 1436: 1433: 1431: 1428: 1426: 1423: 1421: 1418: 1416: 1413: 1412: 1410: 1409: 1406: 1403: 1402: 1397: 1394: 1393: 1389: 1386: 1384: 1381: 1379: 1376: 1375: 1373: 1372: 1368: 1367: 1358: 1355: 1354: 1350: 1349: 1329: 1326: 1323: 1320: 1317: 1311: 1308: 1305: 1299: 1291: 1288: 1274: 1271: 1268: 1265: 1262: 1256: 1253: 1250: 1244: 1236: 1233: 1219: 1216: 1213: 1210: 1207: 1201: 1198: 1195: 1189: 1181: 1178: 1161: 1158: 1155: 1149: 1141: 1138: 1137: 1132: 1129: 1127: 1124: 1123: 1119: 1114: 1113: 1106: 1105: 1101: 1099: 1096: 1094: 1091: 1089: 1086: 1085: 1081: 1080:Ideal gas law 1078: 1076: 1073: 1071: 1068: 1066: 1063: 1062: 1058: 1053: 1052: 1026: 1016: 1002: 995: 994: 979: 969: 955: 948: 947: 944: 930: 927: 920: 917: 914: 913: 894: 884: 870: 863: 862: 847: 837: 823: 816: 815: 812: 798: 795: 792: 785: 782: 779: 778: 759: 749: 735: 728: 727: 712: 702: 688: 681: 680: 677: 663: 660: 653: 650: 647: 646: 640: 637: 636: 633: 628: 627: 616: 613: 611: 610:Vapor quality 608: 606: 605: 600: 597: 595: 594: 589: 586: 583: 579: 578: 573: 570: 569: 568: 567: 564: 561: 560: 554: 551: 549: 546: 545: 543: 542: 539: 536: 535: 530: 527: 525: 522: 521: 520: 519: 515: 511: 504: 499: 498: 487: 484: 482: 479: 477: 474: 473: 472: 471: 468: 465: 464: 459: 456: 454: 451: 449: 448:Reversibility 446: 444: 441: 439: 436: 434: 431: 429: 426: 424: 421: 419: 416: 414: 411: 409: 406: 404: 401: 400: 399: 398: 395: 392: 391: 386: 383: 381: 378: 376: 373: 371: 368: 366: 363: 361: 358: 356: 353: 351: 348: 347: 346: 345: 342: 339: 338: 333: 330: 328: 325: 323: 322:Closed system 320: 319: 316: 311: 310: 302: 299: 297: 294: 292: 289: 287: 284: 283: 279: 274: 273: 266: 262: 259: 258: 254: 251: 249: 246: 244: 241: 239: 236: 235: 228: 227: 223: 217: 213: 212: 209: 206: 205: 184: 181: 167: 151: 149: 145: 141: 139: 135: 117: 114: 100: 94: 89: 84: 70: 60: 56: 51: 47: 43: 40:This article 38: 29: 28: 19: 4490:Flash floods 4442:River cruise 4339:River sports 4211: 4192:Stream gauge 4177:Rouse number 4167:Relief ratio 4016:Flood-meadow 3947:Urban runoff 3861:Fluvial flow 3846:River valley 3816:River island 3781:Meander scar 3696:Alluvial fan 3638:Progradation 3513:Karst spring 3457:Winterbourne 3412:Chalk stream 3374:River source 3349:Distributary 3234: 3231:"Heat, q, Q" 3225: 3208: 3199: 3182: 3173: 3161: 3150:. Retrieved 3139: 3127:. Retrieved 3123:the original 3118: 3109: 3098:. Retrieved 3087: 3078: 2963: 2954: 2948: 2944: 2929: 2772: 2742: 2669: 2661: 2577: 2563: 2556: 2518: 2465: 2459: 2362: 2297: 2283: 2271: 2265: 2220: 2138: 2132: 2130: 2115: 1999: 1986:oceanography 1955:oceanography 1924: 1905: 1898: 1890: 1849: 1845: 1841: 1827: 1623:Carathéodory 1554:Heat engines 1526: 1515: 1504: 1486:Motive power 1471: 1131:Free entropy 1102: 602: 601: / 591: 590: / 582:introduction 575: 574: / 513: 476:Heat engines 263: / 138:SI unit 64: 52:for details. 45: 41: 4351:Fly fishing 4275:Fish ladder 4260:Daylighting 3979:Flash flood 3942:First flush 3889:Plunge pool 3613:Downcutting 3598:Debris flow 3573:Aggradation 3447:Stream pool 3064:Stokes flow 2462:dot product 2377:unit vector 2369:vector area 2292:vector area 1970:metric unit 1965:) is a non- 1937:(SCCM). In 1912:Darcy's law 1856:(sometimes 1834:engineering 1445:Synergetics 1126:Free energy 572:Temperature 433:Quasistatic 428:Isenthalpic 385:Instruments 375:Equilibrium 327:Open system 261:Equilibrium 243:Statistical 4515:Categories 4457:Wild river 4137:Hydrograph 4127:Hack's law 4092:Baer's law 4036:Inundation 4021:Floodplain 3961:stormwater 3919:Whitewater 3791:Oxbow lake 3628:Knickpoint 3603:Deposition 3496:Hot spring 3437:Streamflow 3427:Stream bed 3344:Confluence 3152:2016-12-01 3100:2019-04-15 3084:"Glossary" 3070:References 2764:(in kg/m). 2754:(in kg/s), 2456:Derivation 2213:for heat. 1978:hectometer 1947:cubic feet 1895:hydrometry 1757:Nucleation 1601:Scientists 1405:Philosophy 1118:Potentials 481:Heat pumps 438:Polytropic 423:Isentropic 413:Isothermal 4427:Limnology 4376:Triathlon 4346:Canyoning 4315:Revetment 4245:Check dam 4157:Main stem 3914:Waterfall 3801:Point bar 3786:Mouth bar 3726:Billabong 3673:Water gap 3668:Wash load 3648:Saltation 3568:Anabranch 3491:Holy well 3379:Tributary 3129:12 August 3044:Flowmeter 2995:discharge 2991:hydrology 2903:θ 2899:− 2890:θ 2880:π 2851:θ 2847:⁡ 2841:− 2832:θ 2828:⁡ 2816:π 2796:θ 2784:∫ 2723:ρ 2718:˙ 2670:When the 2632:π 2623:⁡ 2539:^ 2501:θ 2498:⁡ 2437:^ 2395:^ 2335:⋅ 2321:∬ 2294:/surface. 2243:⋅ 2120:of fluid 2065:Δ 2057:Δ 2046:→ 2040:Δ 2026:˙ 1900:discharge 1870:˙ 1738:Waterston 1688:von Mayer 1643:de Donder 1633:Clapeyron 1613:Boltzmann 1608:Bernoulli 1569:Education 1540:Timelines 1324:− 1269:− 1057:Equations 1024:∂ 977:∂ 928:α 892:∂ 845:∂ 799:− 793:β 757:∂ 710:∂ 418:Adiabatic 408:Isochoric 394:Processes 355:Ideal gas 238:Classical 182:− 148:Dimension 118:˙ 57: or 50:talk page 4230:Aqueduct 4097:Baseflow 4064:Effluent 3741:Cut bank 3706:Avulsion 3583:Bed load 3563:Abrasion 3237:. 2014. 3211:. 2014. 3185:. 2014. 3119:Ecoworld 3028:See also 2470:parallel 2375:, and a 1959:sverdrup 1790:Category 1728:Thompson 1638:Clausius 1618:Bridgman 1472:Vis viva 1454:Theories 1388:Gas laws 1180:Enthalpy 588:Pressure 403:Isobaric 360:Real gas 248:Chemical 231:Branches 67:May 2023 48:See the 4407:Aquifer 4400:Related 4356:Rafting 3884:Meander 3879:Log jam 3841:Thalweg 3746:Estuary 3618:Erosion 3555:erosion 3467:Springs 3422:Current 3389:Streams 3329:Channel 3292:springs 3288:streams 2762:density 2594:⁠ 2582:⁠ 2466:through 1963:sievert 1927:SI unit 1830:physics 1713:Smeaton 1708:Rankine 1698:Onsager 1683:Maxwell 1678:Massieu 1383:Entropy 1378:General 1369:History 1359:Culture 1356:History 580: ( 577:Entropy 514:italics 315:Systems 4202:WAFLEX 4074:Sewage 3957:Floods 3899:Riffle 3894:Rapids 3836:Strath 3806:Ravine 3731:Canyon 3486:Geyser 3417:Coulee 3402:Bourne 3397:Arroyo 3300:Rivers 3284:Rivers 3020:: the 2983:: the 2930:where 2743:where 2519:where 2266:where 2118:volume 1957:, the 1840:, the 1703:Planck 1693:Nernst 1668:Kelvin 1628:Carnot 918:  783:  651:  593:Volume 508:Note: 467:Cycles 296:Second 286:Zeroth 4300:Levee 4285:Flume 4240:Canal 3984:Flood 3904:Shoal 3771:Gully 3766:Gulch 3736:Chine 3721:Bayou 3578:Armor 3530:Ponor 3305:lists 2567:. As 2133:after 2002:limit 1848:, or 1751:Other 1718:Stahl 1673:Lewis 1663:Joule 1653:Gibbs 1648:Duhem 341:State 301:Third 291:First 4330:Weir 4295:Leat 3959:and 3851:Wadi 3811:Rill 3776:Glen 3761:Gill 3711:Bank 3553:and 3518:list 3501:list 3472:list 3407:Burn 3290:and 3131:2017 2562:cos 2365:area 2166:and 1974:1 Sv 1941:and 1925:The 1920:flux 1832:and 1723:Tait 553:Heat 548:Work 278:Laws 4250:Dam 3716:Bar 3691:Ait 3239:doi 3213:doi 3187:doi 3016:In 2989:In 2979:In 2844:cos 2825:cos 2620:cos 2495:cos 2036:lim 1929:is 1903:. 1828:In 1566:Art 512:in 142:m/s 4517:: 3286:, 3233:. 3207:. 3181:. 3117:. 3090:. 3086:. 2993:: 2947:− 2760:= 2750:= 2694:: 2647:0. 2580:= 2452:. 2303:: 2287:= 2275:= 2128:. 1992:. 1967:SI 104:, 3474:) 3470:( 3307:) 3303:( 3276:e 3269:t 3262:v 3245:. 3241:: 3219:. 3215:: 3193:. 3189:: 3155:. 3133:. 3103:. 2967:2 2964:θ 2958:1 2955:θ 2949:r 2945:R 2940:r 2936:R 2932:T 2915:, 2912:) 2907:1 2894:2 2886:( 2877:2 2872:T 2869:r 2863:+ 2860:) 2855:1 2836:2 2822:( 2813:2 2808:T 2805:R 2799:= 2792:d 2787:L 2758:ρ 2748:ṁ 2728:, 2715:m 2708:= 2705:Q 2682:Q 2644:= 2640:) 2635:2 2627:( 2617:A 2614:v 2611:= 2608:Q 2591:2 2588:/ 2585:π 2578:θ 2569:θ 2564:θ 2557:v 2535:n 2521:θ 2504:, 2492:A 2489:v 2486:= 2483:Q 2433:n 2426:A 2423:= 2419:A 2391:n 2373:A 2348:. 2344:A 2339:d 2331:v 2325:A 2317:= 2314:Q 2284:A 2279:, 2272:v 2251:, 2247:A 2239:v 2235:= 2232:Q 2201:Q 2179:m 2175:q 2152:v 2148:q 2126:t 2122:V 2101:, 2095:t 2091:d 2085:V 2081:d 2074:= 2068:t 2060:V 2049:0 2043:t 2032:= 2023:V 2017:= 2014:Q 1916:q 1867:V 1854:Q 1817:e 1810:t 1803:v 1330:S 1327:T 1321:H 1318:= 1315:) 1312:p 1309:, 1306:T 1303:( 1300:G 1275:S 1272:T 1266:U 1263:= 1260:) 1257:V 1254:, 1251:T 1248:( 1245:A 1220:V 1217:p 1214:+ 1211:U 1208:= 1205:) 1202:p 1199:, 1196:S 1193:( 1190:H 1165:) 1162:V 1159:, 1156:S 1153:( 1150:U 1027:T 1003:V 980:V 956:1 931:= 895:p 871:V 848:V 824:1 796:= 760:T 736:N 713:S 689:T 664:= 661:c 584:) 185:1 176:T 168:3 162:L 115:V 102:Q 85:. 69:) 65:( 20:)

Index

Volume flow rate
talk page
WikiProject Physics
WikiProject Engineering
Volumetric flux
SI unit
Dimension
Thermodynamics

Carnot heat engine
Classical
Statistical
Chemical
Quantum thermodynamics
Equilibrium
Non-equilibrium
Laws
Zeroth
First
Second
Third
Systems
Closed system
Open system
Isolated system
State
Equation of state
Ideal gas
Real gas
State of matter

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