热力学电子教案 第12章 蒸汽动力循环

1、011hhq21hhwT322hhq30hhwP0210qqqwwwPT012112013212111hhhhqqhhhhqqtt凝汽式机组热效率ndcndcbttbq/123/860。tt。)()(11 1013212athhhhhhqq再热kgkg21、)(1 ()()(1 ()(21211cbbbbaaahhhhhhhhcbcbbabahhhhhhhh121)1 (1322112)(1 (11athhhhQQ回热120qqw 蒸汽从锅炉获得的能量供热能量发电能量88.0rifkgkJHLV,/41000，75.0PkgfkJHHV/43200，90. 0B3434hhhhsPkgkJhM

2、PakgkJhs/83.135)004. 0(/30.12143；饱和水的焓kgkJkgkJkgkJhhhhPs/67.140/30.12175. 0/)30.12183.135(334443140.67 121.30/19.37 /Pwh hkJ kgkJ kg 11.1037 /19.37 /215.08 /PpWmwkg kg fkJ kgkJ kg f fkgkJkgkJfkgkJhhHmBLV,/1037.11/)67.1409 .3463(90. 0,/41000.41,LVBHhhm,41)(fkgkJfkgkJHQfkgkJkgkJfkgkghhmQBLVBL,/4100)90

3、. 01 (,/41000)1 (,/1 .36900/)67.1409 .463. 3(,/1037.11)(,411%10,/41000,/4100,fkgkJfkgkJHQLVBLkgkJkgkJkgkJhhhhsri/28.2160/)51.19829 .3463(88. 0/9 .3463)(2112srihhhh2121kgkJhs/51.19822fkgkJkgkJfkgkghhmWT,/0 .14475/)28.21609 .3463(,/1037.11)(21fkgkJQQfkgkJkgkJfkgkghhmQCL,/2 .22640,/2 .22640/)30.12128.2

4、160(,/1037.11)(2,322PTCLTLBLPLLVWWQQQQQ,%22.55,/41000,/2 .22640,fkgkJfkgkJHQVLCL%645.38,/1 .36900,/2 .226401,/1 .36900,/)08.2150 .14475(1,/1 .41000,/)08.2150 .144752 .22640041000(,/41000121fkgkJfkgkJfkgkJfkgkJQQQWWfkgkJfkgkJfkgkJPTt%78.34,/41000,/)08.2150 .14475(,fkgkJfkgkJHWWLVCTtfUxE、HVfUxHE，、975.

5、 0HVH，)(340,0ssmTSTEPgPL，)/67.140,14)(/(4396. 0)004. 0)(/(4221. 04443时的熵饱和水的熵kgkJhMPapKkgkJsMPaKkgkJsfkgkJKkgkJfkgkgKEPL,/963.56)/()4221. 04396. 0(,/1037.1115.293，fkgkJfkgkgHEHVfUx,/42120,43200975. 0975. 0，、fUxE、%135. 0,/42120,/963.56,fkgkJfkgkJEEfUxPL)()()(41041,41,ssThhmEeemEEfUxxxfUxBL，fkgkJKkgkJ

6、KkgkJfkgkgfkgkJEPL,/95.25215)/()4396. 05827. 6(15.293/)67.1409 .3463(,/1037.11,/42120，)/(5827. 61KkgkJs%867.59,/42120,/95.25215,fkgkJfkgkJEEfUxBL，)(120,0ssmTSTETgTL，fkgkJKkgkJfkgkgKEkgkJhMPapKkgkJsTL,/27.1915/)5827. 61711. 7(,/1037.1193. 2/28.2160,004. 0()/(1711. 7222）（时的熵），%547. 4,/42120,/27.1915,f

7、kgkJfkgkJEEfUxTL，fkgkJKkgkJKkgkJfkgkgssThhmeemExxCL,/89.671)/()4221. 01711. 7(15.293/)30.12128.2160(,/1037.11)()()(3203232,%595. 1,/42120,/89.671,fkgkJfkgkJEEfUxCL，%855.33,/42120,/)08.2150 .14475(,0fkgkJfkgkJEWWEWfUxPTfUxexPTCLTLBLPLfUxWWEEEEE，,fkgkJfkgkJfkgkJ，）（，/42120/08.2150 .1447589.67127.191592

8、.25215963.56/42120fkgkJ,%fkgkJ,3687. 0157329313 . 0,kKCtt6021. 087329314 . 0,kKCtt)()()()()()(3421 3 4 2 1000 3 245hhhhhhhhmwwwwmwmwWhhhhmqqPTPTmm)()(11)()(51 4 1321210322251 4 1111hhhhmhhQQQWhhqQhhhhmqmqQtint)(5 5PinchPoPPTTTPP)(5 5 5PPTTTT5451hhhhmqqmmmhhhhhhhhm41466441)()()()()()()()()(32 1622 3113421 124 3000hhhhmQhhmmqQhhhhhhhhmwwwwmwmwWPTCT)()()(11 2 332 1 61210hhmhhhhmQQQWt)( 3 443hhDhh）（3 44ppp1111MDMMxMDMMxmKpvmKKKKxxKKm)( 44TT )/( 5 454PPPP) (KK SSTT 55)/,( 5 454 44PPPPTT）（ 55TT mmmmKK