《2022年传热学重点题型讲解第九章辐射换热计算 .pdf》由会员分享，可在线阅读，更多相关《2022年传热学重点题型讲解第九章辐射换热计算 .pdf（22页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、第九章 辐射换热计算第一节黑表面间的辐射换热一、任意位置两非凹黑表面间的辐射换热1.黑表面间的辐射换热图 9-1 任意位置两非凹黑表面的辐射换热122dAdAb1111ddcosdIAEb1=Ib1；2221cosddrA12212dAdAb1122coscosdddEA Ar21212dAdAb2122coscosdddEA Ar12122122212dA,dAdAdAdAdAb1b2122coscosddd()ddEEA Ar1212122121,2dA,dAb1b2122coscosd()ddA AA AEEA Ar（9-1）2.角系数12121122b1122dAdA12dA,dA22
2、dAb11coscosd ddcoscosdddEA ArXAEAr12122121122dAdA2dAA12dA,A22dAdAddcoscosdddAAXAr12121211122dAdAAA121,2122AA1dcoscos1ddA AA AXA AAr（9-2a）212212AAA1,2ddcoscos121212AArAXAA（9-2b）21,212,1AXAX（9-3）3.辐射空间热阻图 9-2 辐射空间热阻21,2b2b112,1b2b12,1)()(AXEEAXEE（9-4）b1b21,21,211EEXA1,2=（Eb1Eb2）A=b（T14-T24）A 二、封闭空腔诸黑表
3、面间的辐射换热图 9-3 多个黑表面组成的空腔图 9-4 三个黑表面组成空腔的辐射网络文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q
4、4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6
5、L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1
6、V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B
7、4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3
8、Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1
9、P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3文档编码:CT9B4Q4B5Y9 HA1F3Q6L9J10 ZE9I1P1V7Z3图 9-5 例 9-1 附图：,1,2,1niiii ni jj将上式除以i，按角系数定义，可得,1,2,n,11niiii jjXXXX（9-5）njnjijinjijiiji
10、njjiiAXEAXEAXEE11,bj1,bi,bjbi1,)(njjijiiAXEAE1,bjbi（9-6）【例 9-1】311,b1b11jjjjAXEAE（a）312,b2b22jjjjAXEAE（b）0313,b3b33jjjjAXEAE（c）02,21,22,11,1XXXX13,23,1XX31,313,1AXAX32,323,2AXAX213,11,33,223/210.252ArXXXAr13,32,31,3XXX5.03,3X033,3b323,2b213,1b13b3AXEAXEAXEAE4bbTE2424143TTTT3=415.6K 或者 142.61b11b11,1
11、1b22,12b33,1344b11b31,3111344311b244()()()100100473415.615.67()()1801.0W2100100bE AE XAE XAE XAE AE XAATTTTAC【讨论】文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1
12、S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z
13、5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6
14、S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1
15、J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D
16、2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:C
17、O6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5411212121AAAAAAR444
18、4b1b2121,2()5.674.733.13)1801.0W4/4bEETTR（第二节 灰表面间的辐射换热一、有效辐射图 9-6 有效辐射示意图图 9-7 辐射表面热阻1.有效辐射J1=1Eb11G1=1Eb1（11）G1 W/m2（a）2.辐射表面热阻11b111111GEGJA W/m2（b）1111b11b111111)(1AJEJEAW（9-7）二、组成封闭腔的两灰表面间的辐射换热文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK
19、1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2
20、D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:
21、CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2
22、HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 Z
23、V2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编
24、码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I
25、2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5图 9-8 两个灰表面组成封闭腔的辐射换热网络图 9-9 空腔与内包壁面间的辐射换热22212,1111b2b12,1111AAXAEEW (9-8a)11(1)11()(2212,112b1b12,1AAXEEA1,2112()WsbbXA EE（9-8b）)11()11(1121,212,1sXX1.无限大平行灰平壁的辐射换热A1=A2=A，且 X1,2=X2,1=1，)(111)(4241bs212bb12,1TTAEEA W （9-9）111121s2.其
26、中一个表面为平面或凸表面的辐射换热)11(1)(22112b1b12,1AAEEA W (9-10)A2 A1，且2的数值较大1,2=1 A1（Eb1Eb2）W（9-11）三、封闭空腔中诸灰表面间的辐射换热1.网络法求解文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q
27、2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1
28、M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D
29、10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S
30、8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5
31、W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S
32、1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5图 9-10 三个灰表面组成封闭腔辐射换热网
33、络图 9-11 例 9-4 附图图 9-12 例题 9-5 附图节点 1 011113,11312,1121111b1AXJJAXJJAJE（a）节点 2 011123,22321,2212222b2AXJJAXJJAJE（b）节点 3 011132,33231,3313333b3AXJJAXJJAJE（c）【例 9-4】X1,2=X2,1=0.38 X1,3=X2,3=1 X1,2=1 0.38=0.62 计算网络中的各热阻值：A1=A2=0.32=0.283m2文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S
34、8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5
35、W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S
36、1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J
37、1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2
38、Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO
39、6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK
40、1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M51.14283.02.02.011111A m23.5283.04.04.011222A m23.9283.038.01112,1AX m27.5283.062.011123,213,1AXAX m2流入每个节点的电流总和等于零07.53.91.141b3121b1JEJJJE07.53.93.52b3212b2JEJJJE202447731067.5484b1TEbW/m235445001
41、067.5484b2TEbW/m2 4593001067.5484b3TEbW/m2J1=5129W/m2J2=2760W/m2b1111112024451291072W114.1EJAb22222235442760148W15.3EJA312()(1072 148)1220W【例 9-5】1.1411111ARm2 3.512222ARm23.9112,12,1AXRm27.5113,13,23,1AXRRm2Eb1=20244W/m2Eb2=3544W/m223,23,12,11111RRRRRR=14.1+5.243.57.57.513.911m2b1b21,2202443544682W
42、24.5EERJ1=Eb11,2R1=20244682 14.1=10627.8W/m2J2=Eb21,2R2=3544682 5.3=7185.6 W/m2J3=（J1+J2）/2=8893.2 W/m2J3=G3=Eb3=bT34文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 H
43、K1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV
44、2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码
45、:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2
46、 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2
47、ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档
48、编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M51/41/4b3388893.
49、2629K5.67 10bET2.值解法图 9-13 例 9-6（a）（b）附图及其辐射换热网络niijiijjAXJGA1,jjniijiijjjjjjAXJAEAJ1,b)1(（9-12）niijijniijiiXJAAXJ1,1,b,1(1)njjjjij iiJEJ X（9-13）4b1,11jjjjjniijiTJXJ（9-14）4111,121,231,31,b 1114212,122,232,32,b2221,12,231()()111()()11nnnnnnnJXJ XJ XJ XTJ XJXJ XJ XTJ XJ XJ X4,3,b1()()11nnn nnnnJXT（9-1
50、5）文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D10B1I2 HK1J1S8Q2E2 ZV2D2Z5W1M5文档编码:CO6S1D