Knowledge

Deuterium–tritium fusion

Source 📝

20: 194:
to energetic neutrons, which produces tritons. Also, DTF itself emits a free neutron, which can be used to bombard lithium. A 'breeding blanket', made of lithium, is often placed along the walls of
145: 214:, and many other proposed fusion reactors. It has many advantages over other types of fusion, as it has a relatively low minimum temperature, 10 kelvin. 141: 334: 497: 381: 525: 376: 465: 530: 407: 89:
is placed on the walls of the reactor, as lithium, when exposed to energetic neutrons, will produce tritium.
125: 114: 273: 117:: E = mc. 80% of the energy (14.1 MeV) becomes kinetic energy of the neutron traveling at 1/6 the 62:
of total energy coming from both the neutron and helium. It is the best known fusion reaction for
268: 137: 238: 198:
so that free neutrons created by DTF react with it to produce more H. This process is called
492: 67: 8: 535: 144:. His experiment detected the signature of neutrons with energy greater than 15 MeV in 354: 540: 346: 308: 243: 82: 128:
that describes the relation between mass defects and binding energy in a nucleus.
223: 153: 227: 195: 118: 78: 43: 35: 519: 403: 358: 110: 312: 187: 149: 63: 19: 296: 74: 438: 190:, and can't be sourced naturally. This can be circumvented by exposing 350: 177: 39: 173: 124:
The mass difference between H+H and neutron+He is described by the
51: 191: 183: 102: 86: 55: 47: 98: 443: 297:"Search for Gamma-Rays from the Deuteron-Deuteron Reaction" 211: 164:. This discovery was largely unrecognized until recently. 106: 97:
In DTF, one deuteron fuses with one triton, yielding one
59: 377:"DOE Explains...deuterium–tritium Fusion Reactor Fuel" 113:. The amount of energy obtained is described by the 517: 333:Paris, Mark W.; Chadwick, Mark B. (2023-10-01). 148:of H created in H(d,p)H reactions of a 0.5 MeV 332: 136:Evidence of DTF was first detected at the 73:Tritium, one of the reactants for DTF, is 490: 458: 205: 466:"Tritium: a challenging fuel for fusion" 18: 518: 433: 431: 294: 370: 368: 335:"A lost detail in D–T fusion history" 288: 263: 261: 259: 491:Schneider, Ursula (August 1, 2001). 326: 167: 484: 428: 374: 109:, which is derived from about 0.02 13: 498:International Atomic Energy Agency 402: 365: 256: 14: 552: 295:Ruhlig, Arthur (15 August 1938). 50:(H) nucleus (triton), giving one 408:"Introduction to Fusion Part I." 239:Fusion power#Deuterium, tritium 217: 493:"Fusion: Energy of the Future" 396: 1: 439:"Fueling the Fusion Reaction" 249: 210:DTF is planned to be used in 180:, making it easy to acquire. 131: 7: 232: 126:semi-empirical mass formula 10: 557: 221: 92: 46:(deuteron) fuses with one 152:deuteron beam on a heavy 526:Nuclear fusion reactions 274:Georgia State University 28:Deuterium–tritium fusion 115:mass–energy equivalence 30:(sometimes abbreviated 313:10.1103/PhysRev.54.308 206:Use in fusion reactors 172:About 1 in every 6700 138:University of Michigan 24: 531:Hydrogen technologies 176:atoms in seawater is 68:thermonuclear weapons 34:) (DTF) is a type of 22: 382:Department of Energy 146:secondary reactions 472:. November 8, 2017 375:Lanctot, Matthew. 54:nucleus, one free 25: 351:10.1063/PT.3.5317 168:Reactant sourcing 548: 510: 509: 507: 505: 488: 482: 481: 479: 477: 462: 456: 455: 453: 451: 435: 426: 425: 423: 421: 412: 400: 394: 393: 391: 389: 372: 363: 362: 330: 324: 323: 321: 319: 292: 286: 285: 283: 281: 269:"Nuclear Fusion" 265: 244:Deuterium fusion 200:tritium breeding 186:, however, is a 142:Arthur J. Ruhlig 101:nucleus, a free 83:breeding blanket 23:The DTF reaction 556: 555: 551: 550: 549: 547: 546: 545: 516: 515: 514: 513: 503: 501: 489: 485: 475: 473: 464: 463: 459: 449: 447: 437: 436: 429: 419: 417: 410: 401: 397: 387: 385: 373: 366: 331: 327: 317: 315: 293: 289: 279: 277: 267: 266: 257: 252: 235: 230: 224:Nuclear physics 220: 208: 196:fusion reactors 170: 163: 159: 154:phosphoric acid 134: 95: 79:fusion reactors 17: 12: 11: 5: 554: 544: 543: 538: 533: 528: 512: 511: 483: 457: 427: 395: 364: 325: 287: 254: 253: 251: 248: 247: 246: 241: 234: 231: 228:Nuclear fusion 219: 216: 207: 204: 169: 166: 161: 157: 133: 130: 119:speed of light 94: 91: 36:nuclear fusion 16:Type of fusion 15: 9: 6: 4: 3: 2: 553: 542: 539: 537: 534: 532: 529: 527: 524: 523: 521: 500: 499: 494: 487: 471: 467: 461: 446: 445: 440: 434: 432: 416: 409: 405: 404:Cowley, Steve 399: 384: 383: 378: 371: 369: 360: 356: 352: 348: 345:(10): 10–11. 344: 340: 339:Physics Today 336: 329: 314: 310: 306: 302: 298: 291: 276: 275: 270: 264: 262: 260: 255: 245: 242: 240: 237: 236: 229: 225: 215: 213: 203: 201: 197: 193: 189: 185: 181: 179: 175: 165: 155: 151: 147: 143: 139: 129: 127: 122: 120: 116: 112: 108: 104: 100: 90: 88: 84: 80: 76: 71: 69: 65: 61: 57: 53: 49: 45: 41: 38:in which one 37: 33: 29: 21: 504:February 13, 502:. Retrieved 496: 486: 476:February 16, 474:. Retrieved 469: 460: 450:February 12, 448:. Retrieved 442: 418:. Retrieved 414: 398: 386:. Retrieved 380: 342: 338: 328: 316:. Retrieved 304: 300: 290: 278:. Retrieved 272: 218:Bibliography 209: 199: 188:radioisotope 182: 171: 135: 123: 96: 72: 64:fusion power 31: 27: 26: 420:January 30, 318:February 6, 280:January 29, 140:in 1938 by 105:, and 17.6 75:radioactive 58:, and 17.6 520:Categories 470:EUROfusion 307:(4): 308. 250:References 222:See also: 85:' made of 536:Deuterium 388:April 12, 359:0031-9228 301:Phys. Rev 178:deuterium 156:target, H 132:Discovery 40:deuterium 233:See also 174:hydrogen 150:incident 52:helium-4 541:Tritium 192:lithium 184:Tritium 103:neutron 93:Concept 87:lithium 56:neutron 48:tritium 44:nucleus 357:  99:helium 411:(PDF) 81:, a ' 77:. In 506:2021 478:2021 452:2021 444:ITER 422:2021 415:SULI 390:2021 355:ISSN 320:2024 282:2021 226:and 212:ITER 66:and 42:(H) 347:doi 309:doi 111:AMU 107:MeV 60:MeV 32:D+T 522:: 495:. 468:. 441:. 430:^ 413:. 406:. 379:. 367:^ 353:. 343:76 341:. 337:. 305:54 303:. 299:. 271:. 258:^ 202:. 160:PO 121:. 70:. 508:. 480:. 454:. 424:. 392:. 361:. 349:: 322:. 311:: 284:. 162:4 158:3

Index


nuclear fusion
deuterium
nucleus
tritium
helium-4
neutron
MeV
fusion power
thermonuclear weapons
radioactive
fusion reactors
breeding blanket
lithium
helium
neutron
MeV
AMU
mass–energy equivalence
speed of light
semi-empirical mass formula
University of Michigan
Arthur J. Ruhlig
secondary reactions
incident
phosphoric acid
hydrogen
deuterium
Tritium
radioisotope

Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.