油冷器计算书

,选型计算,,,,,,,,

1,换热器,油冷,,气冷,,水冷,,水,

2,换热介质,油ISOVG46#,冷风,压缩空气,冷风,50%乙二醇+水,冷风,50%乙二醇+水,冷风

3,流量m3/min,0.23,213.4150512,13.3kg/min,66.97814157,0.2,301.6295379,0.2,301.6295379

4,额定功率KW,78,,22.6,,90,,90,

5,进口温度℃,80,40,150,25,95,61,95,61

6,出口温度℃,68.5,60,50,42.5,87.7,78.5,87.7,78.5

7,定性温度℃,74.25,50,100,33.75,91.35,69.75,91.35,69.75

8,密度kg/m3,864.45,1.091,1.2,1.151125,1035,1.017925,1035,1.017925

9,导热系数(w/(m*℃),0.125,0.0285,0.0275,0.0270375,0.38,0.0302775,0.38,0.0302775

10,动力粘度(kg/(m*s)),0.01,0.0000198,0.000021,0.0000198,0.001,0.0000198,0.001,0.0000198

11,定压比热(kj/(kg*k)),2.045025,1.005,1.009,1.005,3.6,1.005,3.6,1.005

12,质量流量kg/s,3.313725,3.880597015,0.221666667,1.285003554,3.45,5.117270789,3.45,5.117270789

12,质量流速G(kg/(s*m2),330.1665431,11.17342724,31.35520031,11.28340054,352.3390744,10.1691135,337.0155649,10.79839033

13,计算功率KW,77.93148038,78,22.36616667,22.6,90.666,90,90.666,90

,结构计算,,,,,,,,

1,芯子尺寸mm,820x680x100,,820x270x100,,870x850x80,,870x850x80,

,长度mm,820,,820,,870,,870,

,高度mm,680,,270,,850,,850,

,厚度mm,100,,100,,94,,80,

2,翅片,30JC2502,10BW3002,65PZ2502,9.5BW2502,25JC2502,113BW2502,30JC2502,103BW2502

,高度mm,3,10.3,6.5,10.3,2.5,11.3,3,10.3

,翅距mm,2,2.5,2,2.5,2.5,2.5,2.5,2.5

,厚度mm,0.2,0.2,0.2,0.2,0.2,0.2,0.2,0.2

3,当量直径Demm,2.191304348,3.746774194,2.8,3.746774194,2.3,3.810447761,2.525490196,3.746774194

4,二次面积占换热面积百分比,0.608695652,0.814516129,0.777777778,0.814516129,0.5,0.828358209,0.549019608,0.814516129

5,流通截面积m2,0.010036526,0.347305883,0.007069534,0.113884422,0.009791704,0.503217,0.010236916,0.473892

6,通道数,45,46,14,15,56,57,58,59

7,流程数,1,1,1,1,1,1,1,1

8,换热面积m2,15.02