化工原理 空气对流传热系数的测定实验

未加混合器,,,,,,,,,,,,,,,,,,,,,,,

,进口温度,出口温度,壁温1,壁温2,孔板压降,压差,密度,Tm,λ,μ,ρ,qv,Cp,Q,△tm,K,u,Pr,Nu,Re,Nu/Pr0.4,Log(Nu/Pr0.4),LogRe

1,20.5,47.9,99.7,99.5,0.16,0.1,1.115043396,34.2,0.0271498,0.00001881,1.126298713,0.002098934,1.01E+03,6.51E+01,64.4461641,12.86773989,6.684503307,6.96E-01,9.479067907,7925.051851,1.10E+01,1.04E+00,3.899002112

2,20.4,62.6,99.6,99.4,0.21,0.15,1.089173964,41.5,0.0276535,0.000019175,1.10017771,0.002612691,1.01E+03,1.22E+02,55.37026002,28.04679275,8.320672381,6.97E-01,20.28444338,9452.578583,2.34E+01,1.37E+00,3.975550297

3,20.4,63,99.7,99.5,0.32,0.24,1.088482095,41.7,0.0276673,0.000019185,1.099499863,0.003367541,1.01E+03,1.59E+02,55.2129258,36.57406928,10.7246521,6.97E-01,26.43848101,12169.49887,3.05E+01,1.48E+00,4.085272695

4,20.9,62.5,99.7,99.5,0.46,0.37,1.088482095,41.7,0.0276673,0.000019185,1.099526604,0.004254296,1.01E+03,1.96E+02,55.34293692,45.01538791,13.54871394,6.97E-01,32.54049937,15374.02402,3.76E+01,1.58E+00,4.186787555

5,21.7,62,99.7,99.5,0.63,0.54,1.08796377,41.85,0.02767765,1.91925E-05,1.099035477,0.005217848,1.01E+03,2.32E+02,55.34994204,53.45488667,16.61735021,6.97E-01,38.62675239,18839.72905,4.46E+01,1.65E+00,4.275074653

6,23,61.6,99.7,99.5,0.83,0.76,1.086411754,42.3,0.0277087,0.000019215,1.097505795,0.006275353,1.01E+03,2.67E+02,55.08721392,61.78426065,19.98519924,6.97E-01,44.59556792,22599.17289,5.15E+01,1.71E+00,4.354092545

7,25.2,61.8,99.8,99.4,1.07,1.02,1.082294608,43.5,0.0277915,0.000019275,1.093392189,0.00735602,1.01E+03,2.96E+02,54.09622031,69.66737041,23.42681431,6.97E-01,50.13573964,26308.3941,5.79E+01,1.76E+00,4.420094339

8,28,62.4,99.7,99.5,1.31,1.39,1.076515117,45.2,0.0279088,0.00001936,1.087598775,0.008694143,1.01E+03,3.27E+02,52.55844982,79.23330879,27.68835373,6.97E-01,56.78016167,30792.28447,6.56E+01,1.82E+00,4.48844191

,,,,,,,,,,,,,,,,,,,,,,,,

添加混合器,,,,,,,,,,,,,,,,,,,,,,,

,进口温度,出口温度,壁温1,壁温2,孔板压降,压差,密度,Tm,λ,μ,ρ,qv,Cp,Q,△tm,K,u,Pr,Nu,Re,Nu/Pr0.4,Log(Nu/Pr0.4),LogRe

1,25.7,52.3,99.8,99.6,0.19,0.11,1.097897125,39,0.027481,0.00001905,1.108985147,0.002209789,1.01E+03,6.55E+01,59.73078833,13.97192885,7.037545123,6.97E-01,10.16842826,8111.811611,1.18E+01,1.07E+00,3.909117856

2,25,65.1,99.7,99.5,0.36,0.12,1.077022588,45.05,0.02789845,1.93525E-05,1.087931922,0.002316097,1.01E+03,1.02E+02,52.024561,24.86513014,7.376103726,6.97E-01,17.82545636,8210.030051,2.06E+01,1.31E+00,3.914344747

3,25.4,71.3,99.7,99.6,0.75,0.18,1.065967613,48.35,0.02812615,1.95175E-05,1.076837922,0.002883009,1.01E+03,1.43E+02,47.68970429,38.25434282,9.181556166,6.97E-01,27.20197597,10029.19586,3.14E+01,1.50E+00,4.001266113

4,25.8,73.9,99.6,99.5,1.26,0.26,1.061017299,49.85,0.02822965,1.95925E-05,1.071932084,0.003516288,1.01E+03,1.82E+02,45.56190037,50.943798,11.19836839,6.98E-01,36.09240497,12128.78662,4.17E+01,1.62E+00,4.083817355

5,26.5,74.9,99.8,99.5,1.9,0.37,1.058232477,50.7,0.0282883,0.000019635,1.069237463,0.004254296,1.01E+03,2.21E+02,44.71957415,63.02980966,13.54871394,6.98E-01,44.56245844,14604.21606,5.15E+01,1.71E+00,4.164478249

6,27.6,75.2,99.8,99.6,2.65,0.5,1.055950047,51.4,0.0283366,0.00001967,1.067070273,0.005005444,1.01E+03,2.56E+02,44.13737922,73.74497446,15.94090394,6.98E-01,52.04927511,17115.19905,6.01E+01,1.78E+00,4.233381954

7,29.5,75.5,99.6,99.5,3.52,0.66,1.052383196,52.5,0.0284125,0.000019725,1.063626526,0.005815037,1.01E+03,2.86E+02,43.04671716,84.61665938,18.51922754,6.98E-01,59.56298064,19761.03813,6.88E+01,1.84E+00,4.295809756

8,32.2,75.9,99.6,99.5,4.48,0.8