1822:
28:
1598:
1664:
from the turbine being used to make steam in a heat recovery steam generator (HRSG). The steam so produced is injected into the gas turbine's combustion chamber to increase power output. The process can be thought of as a parallel combination of the gas turbine
1659:
The company founded by Dr. Cheng has developed systems in partnership with both GM and GE turbine manufacturers to take advantage of the Cheng cycle by modification of existing turbine designs before construction. The Cheng cycle involves the heated
1317:
1152:
1097:
1042:
849:
802:
717:
670:
582:
535:
753:
621:
987:
486:
825:
778:
693:
646:
558:
511:
1627:
1328:
1863:
1216:
450:
1306:
1339:
909:
1648:
which uses a combination of two working fluids, one gas and one steam. It can therefore be considered a combination of the
1620:
1207:
876:
443:
321:
259:
1769:
De Paepe, M. and E. Dick (2001) Technological and economical analysis of water recovery in steam injected gas turbines,
1803:
1391:
1365:
886:
340:
1856:
292:
1444:
915:
314:
1806:
Challenges of Power
Engineering and Environment: Proceedings of the International Conference on Power Engineering
1613:
1544:
76:
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1887:
1519:
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269:
1849:
904:
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97:
112:
102:
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1396:
1360:
138:
72:
1434:
1674:
1189:
937:
383:
196:
186:
1684:
of 60% matching or even exceeding many traditional
Combined Cycle Gas Turbines that keep the steam
1601:
1429:
1226:
1107:
1052:
997:
929:
868:
404:
393:
59:
1741:
Chronological development of the Cheng cycle steam injected gas turbine during the past 25 years
831:
784:
699:
652:
564:
517:
1534:
1251:
335:
89:
64:
1454:
735:
600:
1756:
Penning, F. M. and de Lange, F. M. (1995) Steam
Injection: analysis of a typical application
1469:
1046:
359:
205:
54:
957:
1549:
1474:
1464:
264:
126:
8:
1645:
1494:
1256:
278:
244:
239:
152:
1782:
Stadler, F. and U. Schneider, (1997) ELIN Cheng Cycle, Elin
Energieversorgung GmbH, 1997
1489:
468:
1681:
1583:
1246:
1241:
1194:
810:
763:
678:
631:
543:
496:
426:
410:
297:
249:
234:
224:
33:
27:
1680:
A fully Cheng Cycle design Gas/Steam two fluid flow turbine can achieve a theoretical
1837:
1578:
1539:
1529:
1101:
899:
727:
229:
219:
161:
1499:
1484:
1424:
1419:
1236:
1231:
881:
349:
214:
1821:
1449:
1297:
951:
592:
415:
176:
143:
1833:
1829:
1701:
1504:
1274:
374:
254:
191:
181:
49:
19:
1876:
1711:
1706:
1689:
1685:
1670:
1666:
1653:
1649:
1573:
891:
460:
421:
133:
1716:
1524:
1509:
1459:
942:
1661:
1479:
287:
1568:
1514:
166:
1282:
1199:
991:
399:
171:
1747:
2002, Amsterdam, ASME Paper No. GT-2002-30119 (2002), pp. 421–428
388:
1791:
Motz, D.A. (1987) The Cheng Cycle: principles and applications,
1793:
Ass. Energy Engng, 8th World Energy Engng Conf., Atlanta, USA
364:
1673:. The cycle was invented by Prof. Dah Yu Cheng of the
1110:
1055:
1000:
960:
834:
813:
787:
766:
738:
702:
681:
655:
634:
603:
567:
546:
520:
499:
471:
1146:
1091:
1036:
981:
843:
819:
796:
772:
747:
711:
687:
664:
640:
615:
576:
552:
529:
505:
480:
1773:, Volume 21, Issue 2, January 2001, Pages 135–156
1874:
1857:
1621:
1735:
1733:
1731:
1864:
1850:
1628:
1614:
26:
1804:Cen, Ke-fa Yong Chi, Jianhua Yan (2007)
1728:
1875:
1739:Cheng, D.Y. and A.L.C. Nelson (2002)
1656:. It was named for Dr. Dah Yu Cheng.
1816:
13:
835:
788:
703:
656:
568:
521:
341:Intensive and extensive properties
14:
1904:
1820:
1597:
1596:
916:Table of thermodynamic equations
1392:Maxwell's thermodynamic surface
1797:
1785:
1776:
1763:
1750:
1745:Proceedings of ASME Turbo Expo
1126:
1114:
1071:
1059:
1016:
1004:
976:
964:
1:
1722:
1293:Mechanical equivalent of heat
1836:. You can help Knowledge by
905:Onsager reciprocal relations
7:
1771:Applied Thermal Engineering
1760:Vol. 16, No. 2, pp. 115 125
1758:Applied Thermal Engineering
1695:
1397:Entropy as energy dispersal
1208:"Perpetual motion" machines
1147:{\displaystyle G(T,p)=H-TS}
1092:{\displaystyle A(T,V)=U-TS}
1037:{\displaystyle H(S,p)=U+pV}
10:
1909:
1815:
844:{\displaystyle \partial T}
797:{\displaystyle \partial V}
712:{\displaystyle \partial p}
665:{\displaystyle \partial V}
577:{\displaystyle \partial T}
530:{\displaystyle \partial S}
1677:who patented it in 1976.
1675:University of Santa Clara
1318:An Inquiry Concerning the
1331:Heterogeneous Substances
748:{\displaystyle \alpha =}
616:{\displaystyle \beta =-}
1832:-related article is a
1810:(Accessed August 2012)
1148:
1093:
1038:
983:
982:{\displaystyle U(S,V)}
845:
821:
798:
774:
749:
713:
689:
666:
642:
617:
578:
554:
531:
507:
482:
461:Specific heat capacity
65:Quantum thermodynamics
1329:On the Equilibrium of
1149:
1094:
1047:Helmholtz free energy
1039:
984:
846:
822:
799:
775:
750:
714:
690:
667:
643:
618:
579:
555:
532:
508:
483:
1893:Thermodynamics stubs
1888:Thermodynamic cycles
1669:and a steam turbine
1342:Motive Power of Fire
1108:
1053:
998:
958:
910:Bridgman's equations
887:Fundamental relation
832:
811:
785:
764:
736:
700:
679:
653:
632:
601:
565:
544:
518:
497:
469:
1692:as separate loops.
1646:thermodynamic cycle
1320:Source ... Friction
1252:Loschmidt's paradox
444:Material properties
322:Conjugate variables
1743:. in: Anon (Ed.),
1682:thermal efficiency
1584:Order and disorder
1340:Reflections on the
1247:Heat death paradox
1144:
1089:
1034:
979:
841:
817:
794:
770:
745:
709:
685:
662:
638:
613:
574:
550:
527:
503:
481:{\displaystyle c=}
478:
451:Property databases
427:Reduced properties
411:Chemical potential
375:Functions of state
298:Thermal efficiency
34:Carnot heat engine
1883:Power engineering
1845:
1844:
1638:
1637:
1579:Self-organization
1404:
1403:
1102:Gibbs free energy
900:Maxwell relations
858:
857:
854:
853:
820:{\displaystyle V}
773:{\displaystyle 1}
728:Thermal expansion
722:
721:
688:{\displaystyle V}
641:{\displaystyle 1}
587:
586:
553:{\displaystyle N}
506:{\displaystyle T}
434:
433:
350:Process functions
336:Property diagrams
315:System properties
305:
304:
270:Endoreversibility
162:Equation of state
1900:
1866:
1859:
1852:
1824:
1817:
1811:
1801:
1795:
1789:
1783:
1780:
1774:
1767:
1761:
1754:
1748:
1737:
1630:
1623:
1616:
1600:
1599:
1307:Key publications
1288:
1287:("living force")
1237:Brownian ratchet
1232:Entropy and life
1227:Entropy and time
1178:
1177:
1153:
1151:
1150:
1145:
1098:
1096:
1095:
1090:
1043:
1041:
1040:
1035:
988:
986:
985:
980:
882:Clausius theorem
877:Carnot's theorem
850:
848:
847:
842:
826:
824:
823:
818:
803:
801:
800:
795:
779:
777:
776:
771:
758:
757:
754:
752:
751:
746:
718:
716:
715:
710:
694:
692:
691:
686:
671:
669:
668:
663:
647:
645:
644:
639:
626:
625:
622:
620:
619:
614:
583:
581:
580:
575:
559:
557:
556:
551:
536:
534:
533:
528:
512:
510:
509:
504:
491:
490:
487:
485:
484:
479:
457:
456:
330:
329:
149:
148:
30:
16:
15:
1908:
1907:
1903:
1902:
1901:
1899:
1898:
1897:
1873:
1872:
1871:
1870:
1814:
1802:
1798:
1790:
1786:
1781:
1777:
1768:
1764:
1755:
1751:
1738:
1729:
1725:
1698:
1634:
1589:
1588:
1564:
1556:
1555:
1554:
1414:
1406:
1405:
1384:
1370:
1345:
1341:
1334:
1330:
1323:
1319:
1286:
1279:
1261:
1242:Maxwell's demon
1204:
1175:
1174:
1158:
1157:
1156:
1109:
1106:
1105:
1104:
1054:
1051:
1050:
1049:
999:
996:
995:
994:
959:
956:
955:
954:
952:Internal energy
947:
932:
922:
921:
896:
871:
861:
860:
859:
833:
830:
829:
812:
809:
808:
786:
783:
782:
765:
762:
761:
737:
734:
733:
701:
698:
697:
680:
677:
676:
654:
651:
650:
633:
630:
629:
602:
599:
598:
593:Compressibility
566:
563:
562:
545:
542:
541:
519:
516:
515:
498:
495:
494:
470:
467:
466:
446:
436:
435:
416:Particle number
369:
328:
317:
307:
306:
265:Irreversibility
177:State of matter
144:Isolated system
129:
119:
118:
117:
92:
82:
81:
77:Non-equilibrium
69:
44:
36:
12:
11:
5:
1906:
1896:
1895:
1890:
1885:
1869:
1868:
1861:
1854:
1846:
1843:
1842:
1830:thermodynamics
1825:
1813:
1812:
1796:
1784:
1775:
1762:
1749:
1726:
1724:
1721:
1720:
1719:
1714:
1709:
1704:
1702:Combined cycle
1697:
1694:
1636:
1635:
1633:
1632:
1625:
1618:
1610:
1607:
1606:
1605:
1604:
1591:
1590:
1587:
1586:
1581:
1576:
1571:
1565:
1562:
1561:
1558:
1557:
1553:
1552:
1547:
1542:
1537:
1532:
1527:
1522:
1517:
1512:
1507:
1502:
1497:
1492:
1487:
1482:
1477:
1472:
1467:
1462:
1457:
1452:
1447:
1442:
1437:
1432:
1427:
1422:
1416:
1415:
1412:
1411:
1408:
1407:
1402:
1401:
1400:
1399:
1394:
1386:
1385:
1383:
1382:
1379:
1375:
1372:
1371:
1369:
1368:
1363:
1361:Thermodynamics
1357:
1354:
1353:
1349:
1348:
1347:
1346:
1337:
1335:
1326:
1324:
1315:
1310:
1309:
1303:
1302:
1301:
1300:
1295:
1290:
1278:
1277:
1275:Caloric theory
1271:
1268:
1267:
1263:
1262:
1260:
1259:
1254:
1249:
1244:
1239:
1234:
1229:
1223:
1220:
1219:
1213:
1212:
1211:
1210:
1203:
1202:
1197:
1192:
1186:
1183:
1182:
1176:
1173:
1172:
1169:
1165:
1164:
1163:
1160:
1159:
1155:
1154:
1143:
1140:
1137:
1134:
1131:
1128:
1125:
1122:
1119:
1116:
1113:
1099:
1088:
1085:
1082:
1079:
1076:
1073:
1070:
1067:
1064:
1061:
1058:
1044:
1033:
1030:
1027:
1024:
1021:
1018:
1015:
1012:
1009:
1006:
1003:
989:
978:
975:
972:
969:
966:
963:
948:
946:
945:
940:
934:
933:
928:
927:
924:
923:
920:
919:
912:
907:
902:
895:
894:
889:
884:
879:
873:
872:
867:
866:
863:
862:
856:
855:
852:
851:
840:
837:
827:
816:
805:
804:
793:
790:
780:
769:
755:
744:
741:
731:
724:
723:
720:
719:
708:
705:
695:
684:
673:
672:
661:
658:
648:
637:
623:
612:
609:
606:
596:
589:
588:
585:
584:
573:
570:
560:
549:
538:
537:
526:
523:
513:
502:
488:
477:
474:
464:
455:
454:
453:
447:
442:
441:
438:
437:
432:
431:
430:
429:
424:
419:
408:
397:
378:
377:
371:
370:
368:
367:
362:
356:
353:
352:
346:
345:
344:
343:
338:
319:
318:
313:
312:
309:
308:
303:
302:
301:
300:
295:
290:
282:
281:
275:
274:
273:
272:
267:
262:
257:
255:Free expansion
252:
247:
242:
237:
232:
227:
222:
217:
209:
208:
202:
201:
200:
199:
194:
192:Control volume
189:
184:
182:Phase (matter)
179:
174:
169:
164:
156:
155:
147:
146:
141:
136:
130:
125:
124:
121:
120:
116:
115:
110:
105:
100:
94:
93:
88:
87:
84:
83:
80:
79:
68:
67:
62:
57:
52:
46:
45:
42:
41:
38:
37:
32:The classical
31:
23:
22:
20:Thermodynamics
9:
6:
4:
3:
2:
1905:
1894:
1891:
1889:
1886:
1884:
1881:
1880:
1878:
1867:
1862:
1860:
1855:
1853:
1848:
1847:
1841:
1839:
1835:
1831:
1826:
1823:
1819:
1818:
1809:
1807:
1800:
1794:
1788:
1779:
1772:
1766:
1759:
1753:
1746:
1742:
1736:
1734:
1732:
1727:
1718:
1715:
1713:
1712:Rankine cycle
1710:
1708:
1707:Brayton cycle
1705:
1703:
1700:
1699:
1693:
1691:
1690:Brayton Cycle
1687:
1686:Rankine Cycle
1683:
1678:
1676:
1672:
1671:Rankine cycle
1668:
1667:Brayton cycle
1663:
1657:
1655:
1654:Rankine cycle
1651:
1650:Brayton cycle
1647:
1643:
1631:
1626:
1624:
1619:
1617:
1612:
1611:
1609:
1608:
1603:
1595:
1594:
1593:
1592:
1585:
1582:
1580:
1577:
1575:
1574:Self-assembly
1572:
1570:
1567:
1566:
1560:
1559:
1551:
1548:
1546:
1545:van der Waals
1543:
1541:
1538:
1536:
1533:
1531:
1528:
1526:
1523:
1521:
1518:
1516:
1513:
1511:
1508:
1506:
1503:
1501:
1498:
1496:
1493:
1491:
1488:
1486:
1483:
1481:
1478:
1476:
1473:
1471:
1470:von Helmholtz
1468:
1466:
1463:
1461:
1458:
1456:
1453:
1451:
1448:
1446:
1443:
1441:
1438:
1436:
1433:
1431:
1428:
1426:
1423:
1421:
1418:
1417:
1410:
1409:
1398:
1395:
1393:
1390:
1389:
1388:
1387:
1380:
1377:
1376:
1374:
1373:
1367:
1364:
1362:
1359:
1358:
1356:
1355:
1351:
1350:
1344:
1343:
1336:
1333:
1332:
1325:
1322:
1321:
1314:
1313:
1312:
1311:
1308:
1305:
1304:
1299:
1296:
1294:
1291:
1289:
1285:
1281:
1280:
1276:
1273:
1272:
1270:
1269:
1265:
1264:
1258:
1255:
1253:
1250:
1248:
1245:
1243:
1240:
1238:
1235:
1233:
1230:
1228:
1225:
1224:
1222:
1221:
1218:
1215:
1214:
1209:
1206:
1205:
1201:
1198:
1196:
1193:
1191:
1188:
1187:
1185:
1184:
1180:
1179:
1170:
1167:
1166:
1162:
1161:
1141:
1138:
1135:
1132:
1129:
1123:
1120:
1117:
1111:
1103:
1100:
1086:
1083:
1080:
1077:
1074:
1068:
1065:
1062:
1056:
1048:
1045:
1031:
1028:
1025:
1022:
1019:
1013:
1010:
1007:
1001:
993:
990:
973:
970:
967:
961:
953:
950:
949:
944:
941:
939:
936:
935:
931:
926:
925:
918:
917:
913:
911:
908:
906:
903:
901:
898:
897:
893:
892:Ideal gas law
890:
888:
885:
883:
880:
878:
875:
874:
870:
865:
864:
838:
828:
814:
807:
806:
791:
781:
767:
760:
759:
756:
742:
739:
732:
729:
726:
725:
706:
696:
682:
675:
674:
659:
649:
635:
628:
627:
624:
610:
607:
604:
597:
594:
591:
590:
571:
561:
547:
540:
539:
524:
514:
500:
493:
492:
489:
475:
472:
465:
462:
459:
458:
452:
449:
448:
445:
440:
439:
428:
425:
423:
422:Vapor quality
420:
418:
417:
412:
409:
407:
406:
401:
398:
395:
391:
390:
385:
382:
381:
380:
379:
376:
373:
372:
366:
363:
361:
358:
357:
355:
354:
351:
348:
347:
342:
339:
337:
334:
333:
332:
331:
327:
323:
316:
311:
310:
299:
296:
294:
291:
289:
286:
285:
284:
283:
280:
277:
276:
271:
268:
266:
263:
261:
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1838:expanding it
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1717:Cogeneration
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1435:Carathéodory
1366:Heat engines
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1298:Motive power
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943:Free entropy
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394:introduction
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288:Heat engines
75: /
1662:exhaust gas
1642:Cheng cycle
1257:Synergetics
938:Free energy
384:Temperature
245:Quasistatic
240:Isenthalpic
197:Instruments
187:Equilibrium
139:Open system
73:Equilibrium
55:Statistical
1877:Categories
1808:, Springer
1723:References
1569:Nucleation
1413:Scientists
1217:Philosophy
930:Potentials
293:Heat pumps
250:Polytropic
235:Isentropic
225:Isothermal
1550:Waterston
1500:von Mayer
1455:de Donder
1445:Clapeyron
1425:Boltzmann
1420:Bernoulli
1381:Education
1352:Timelines
1136:−
1081:−
869:Equations
836:∂
789:∂
740:α
704:∂
657:∂
611:−
605:β
569:∂
522:∂
230:Adiabatic
220:Isochoric
206:Processes
167:Ideal gas
50:Classical
1696:See also
1688:and gas
1652:and the
1602:Category
1540:Thompson
1450:Clausius
1430:Bridgman
1284:Vis viva
1266:Theories
1200:Gas laws
992:Enthalpy
400:Pressure
215:Isobaric
172:Real gas
60:Chemical
43:Branches
1525:Smeaton
1520:Rankine
1510:Onsager
1495:Maxwell
1490:Massieu
1195:Entropy
1190:General
1181:History
1171:Culture
1168:History
392: (
389:Entropy
326:italics
127:Systems
1515:Planck
1505:Nernst
1480:Kelvin
1440:Carnot
730:
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405:Volume
320:Note:
279:Cycles
108:Second
98:Zeroth
1828:This
1644:is a
1563:Other
1530:Stahl
1485:Lewis
1475:Joule
1465:Gibbs
1460:Duhem
153:State
113:Third
103:First
1834:stub
1640:The
1535:Tait
365:Heat
360:Work
90:Laws
1378:Art
324:in
1879::
1730:^
1865:e
1858:t
1851:v
1840:.
1629:e
1622:t
1615:v
1142:S
1139:T
1133:H
1130:=
1127:)
1124:p
1121:,
1118:T
1115:(
1112:G
1087:S
1084:T
1078:U
1075:=
1072:)
1069:V
1066:,
1063:T
1060:(
1057:A
1032:V
1029:p
1026:+
1023:U
1020:=
1017:)
1014:p
1011:,
1008:S
1005:(
1002:H
977:)
974:V
971:,
968:S
965:(
962:U
839:T
815:V
792:V
768:1
743:=
707:p
683:V
660:V
636:1
608:=
572:T
548:N
525:S
501:T
476:=
473:c
396:)
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