»¯¹¤Ô­ÀíÏÂ(Ìì½ò´óѧ°æ)_ϰÌâ´ð°¸

µÚÎåÕÂ ÕôÁó

1.ÒÑÖªº¬±½0.5£¨Ä¦¶û·ÖÂÊ£©µÄ±½-¼×±½»ìºÏÒº£¬ÈôÍâѹΪ99kPa£¬ÊÔÇó¸ÃÈÜÒºµÄ±¥ºÍζȡ£±½ºÍ¼×±½µÄ±¥ºÍÕôÆûѹÊý¾Ý¼ûÀý1-1¸½±í¡£

t£¨¡æ£© 80.1 85 90 95 100 105

x 0.962 0.748 0.552 0.386 0.236 0.11

½â£ºÀûÓÃÀ­ÎÚ¶û¶¨ÂɼÆËãÆøÒºÆ½ºâÊý¾Ý

²éÀý1-1¸½±í¿ÉµÄµÃµ½²»Í¬Î¶ÈÏ´¿×é·Ö±½ºÍ¼×±½µÄ±¥ºÍÕôÆûѹPB*£¬PA*£¬ÓÉÓÚ×Üѹ

P = 99kPa£¬ÔòÓÉx = (P-PB*)/(PA*-PB*)¿ÉµÃ³öÒºÏà×é³É£¬ÕâÑù¾Í¿ÉÒԵõ½Ò»×é»æÆ½ºât-xͼÊý¾Ý¡£

ÒÔt = 80.1¡æÎªÀý x =£¨99-40£©/£¨101.33-40£©= 0.962 ͬÀíµÃµ½ÆäËûζÈÏÂÒºÏà×é³ÉÈçϱí

¸ù¾Ý±íÖÐÊý¾Ý»æ³ö±¥ºÍÒºÌåÏß¼´ÅݵãÏß

ÓÉͼ¿ÉµÃ³öµ±x = 0.5ʱ£¬ÏàÓ¦µÄζÈΪ92¡æ

1

2.ÕýÎìÍ飨C5H12£©ºÍÕý¼ºÍ飨C6H14£©µÄ±¥ºÍÕôÆûѹÊý¾ÝÁÐÓÚ±¾Ì⸽±í£¬ÊÔÇóP = 13.3kPaϸÃÈÜÒºµÄƽºâÊý¾Ý¡£

ÎÂ¶È C5H12 223.1 233.0 244.0 251.0 260.6 275.1 291.7 309.3

K C6H14 248.2 259.1 276.9 279.0 289.0 304.8 322.8 341.9

±¥ºÍÕôÆûѹ(kPa) 1.3 2.6 5.3 8.0 13.3 26.6 53.2 101.3

½â£º ¸ù¾Ý¸½±íÊý¾ÝµÃ³öÏàͬζÈÏÂC5H12£¨A£©ºÍC6H14£¨B£©µÄ±¥ºÍÕôÆûѹ

ÒÔt = 248.2¡æÊ±ÎªÀý£¬µ±t = 248.2¡æÊ± PB* = 1.3kPa ²éµÃPA*= 6.843kPa

µÃµ½ÆäËûζÈÏÂA?BµÄ±¥ºÍÕôÆûѹÈçϱí

t(¡æ) 248 251 259.1 260.6 275.1 276.9 279 289 291.7 304.8 309.3 PA*(kPa)

6.843

8.00012.472

13.30026.600

29.484

33.42548.873 53.200 89.000101.300

PB*(kPa) 1.300 1.634 2.600 2.826 5.027 5.300 8.000 13.300 15.694 26.600 33.250

ÀûÓÃÀ­ÎÚ¶û¶¨ÂɼÆËãÆ½ºâÊý¾Ý ƽºâÒºÏà×é³É ÒÔ260.6¡æÊ±ÎªÀý

µ±t= 260.6¡æÊ± x = (P-PB*)/(PA*-PB*)

2

=£¨13.3-2.826£©/£¨13.3-2.826£©=

1

ƽºâÆøÏà×é³É ÒÔ260.6¡æÎªÀý

µ±t= 260.6¡æÊ± y = PA*x/P = 13.3¡Á1/13.3 = 1 ͬÀíµÃ³öÆäËûζÈÏÂÆ½ºâÆøÒºÏà×é³ÉÁбíÈçÏÂ

t(¡æ) 260.6 275.1 276.9 279 289 x 1 0.3835 0.3308 0.0285 0

y 1 0.767 0.733 0.524 0 ¸ù¾ÝƽºâÊý¾Ý»æ³öt-x-yÇúÏß

3.ÀûÓÃϰÌâ2µÄÊý¾Ý£¬¼ÆË㣺¢ÅÏà¶Ô»Ó·¢¶È£»¢ÆÔÚÆ½¾ùÏà¶Ô»Ó·¢¶ÈϵÄx-yÊý¾Ý£¬²¢ÓëϰÌâ2 µÄ½á¹ûÏà±È½Ï¡£ ½â£º¢Ù¼ÆËãÆ½¾ùÏà¶Ô»Ó·¢¶È

ÀíÏëÈÜÒºÏà¶Ô»Ó·¢¶È¦Á= PA*/PB* ¼ÆËã³ö¸÷ζÈϵÄÏà¶Ô»Ó·¢¶È £º

t(¡æ) 248.0 251.0 259.1 260.6 275.1 276.9 279.0 289.0 291.7 304.8 309.3

¦Á - - - - 5.291 5.563 4.178 - - - -

3

ÁªÏµ¿Í·þ£º779662525#qq.com(#Ìæ»»Îª@) ËÕICP±¸20003344ºÅ-4