风冷冷凝器设计计算

序号项目代号单位1名义工况制冷量Q0kW2冷凝热量QckWkcal/hkWkcal/h3冷凝温度tc℃4蒸发温度te℃5阀前温度tv℃6吸气温度ts℃7蒸发器比焓差Δh0kJ/kg8冷凝器比焓差ΔhckJ/kg9制冷剂质量流量GRkg/skg/h10冷凝器进口空气温度tci℃11进口空气湿球温度tcRH℃12出口空气温度tcO℃13空气定压比热CPkcal/(kg.℃)kJ/(kg.K)14空气比容vairm3/kg15冷凝风量Vcm3/h16冷凝器长度Lmm17冷凝器高度Hmm18冷凝器宽度Wmm19换热铜管外径dtomm20换热铜管壁厚ttmm21换热铜管内径dtimm22管间距ppmm23排距mm24排数r25单排管数N26波纹片厚度tfmm27片距fpmm28迎面风速Uzm/s29最大风速Umaxm/s风冷冷凝器设计计算书30A31外表面放热系数αakcal/(m2*h*℃)32冷凝侧放热系数αRkcal/(m2*h*℃)33翅片单侧表面积fm234每米管长翅片数nf35每米管长翅片表面积Af1m2/m36每米管长管外表面积Ar1m2/m37每米管长总外表面积A1m2/m38每米管长内表面积A2m2/m39内外面积比SR40传热系数（以内侧为准）Kkcal/(m2*h*℃)41管内表面积Snm242接触系数Fx43验证出口温度tco'℃44验证冷凝热量Qc'kcal/h45空气阻力Δp2mmH2OPa46轴流风机动压pvPa47轴流风机全压ptPa表达式数值数值数值数值数值7.008.005.506.004.801.2*Q08.409.606.607.205.7672248256567661924954m*Δhc=Vc*Cp*(tco-tci)/vair+0.38.709.906.907.506.067483851559356451521248484848487777745454545451010101010hs-hvo154.453154.453154.453154.453154.453hd-hvi185.399185.399185.399185.399185.399Q0/Δh00.04530.05180.03560.03880.03113600*Q0/Δh0163.16186.46128.19139.85111.883535353535242424242442424242420.2420.2420.2420.2420.2421.011.011.011.011.010.890.890.890.890.89Qc*vair/(Cp*(tco-tci))37954338298232532603130070072836058016840047557550050.8110661106679.529.529.529.520.320.50.350.350.356.368.528.828.828.82212525252512.722222222453538161923200.1150.1150.1150.1150.11522222Vc/(L*H)4.834.302.404.372.49Uz*pp*fp/((pp-dto)*(fp-tf))7.687.374.107.484.27风冷冷凝器设计计算书2626262626A*Umax0.5579.8078.0256.5378.6457.781.3*104*GR0.2*d-1.23911.252828.362517.422561.612449.806*(pp/2)(pp*ctg60°/2)-πdto2/43.43E-044.70E-044.70E-044.70E-044.70E-041000/fp5005005005005002fnf0.340.470.470.470.47πdto(1-nf*tf)0.02070.02820.02820.02820.0282Af1+Ar10.36390.49790.49790.49790.4979π*dti0.02000.02680.02770.02770.0277A1/A218.2118.6017.9717.9717.971/(1/αR+1/(αa*SR))1059.69959.18723.79910.74729.27A2*N*r*L0.831.501.151.150.961-EXP(-K*Sn*vair/(Va*Cp))0.570.700.640.690.63Fx*(tc-tci)+tci42.4644.1643.3444.0143.190.27*Va*Fx*(tc-tci)7648107266717791457534444439.239.239.239.239.2ρ*Uz2/213.0910.403.2210.713.49Δp2+pv52.2949.6042.4249.9142.69序号项目代号单位1名义工况制冷量Q0kW2冷凝热量QckWkcal/hkWkcal/h3冷凝温度tc℃4蒸发温度te℃5阀前温度tv℃6吸气温度ts℃7蒸发器比焓差Δh0kJ/kg8冷凝器比焓差ΔhckJ/kg9制冷剂质量流量GRkg/skg/h10冷凝器进口空气温度tci℃11进口空气湿球温度tcRH℃12出口空气温度tcO℃13空气定压比热CPkcal/(kg.℃)kJ/(kg.K)14空气比容vairm3/kg15冷凝风量Vcm3/h16冷凝器长度Lmm17冷凝器高度Hmm18冷凝器宽度Wmm19换热铜管外径dtomm20换热铜管壁厚ttmm21换热铜管内径dtimm22管间距ppmm23排距mm24排数r25单排管数N26波纹片厚度tfmm27片距fpmm28迎面风速Uzm/s29最大风速Umaxm/s30A风冷冷凝器设计计算书31外表面放热系数αakcal/(m2*h*℃)32冷凝侧放热系数αRkcal/(m2*h*℃)33翅片单侧表面积fm234每米管长翅片数nf35每米管长翅片表面积Af1m2/m36每米管长管外表面积Ar1m2/m37每米管长总外表面积A1m2/m38每米管长内表面积A2m2/m39内外面积比SR40传热系数（以内侧为准）Kkcal/(m2*h*℃)41管内表面积Snm242接触系数Fx43验证出口温度tco'℃44验证冷凝热量Qc'kcal/h45空气阻力Δp2mmH2OPa46轴流风机动压pvPa47轴流风机全压ptPa表达式数值30.006.001.25*Q037.507.50322506450m*Δhc=Vc*Cp*(tco-tci)/vair+0.338.507.9433106682853535548481111hs-hvo133.5133.5hd-hvi170170Q0/Δh00.22470.04493600*Q0/Δh0808.99161.803535242448480.2420.2421.011.010.890.89Qc*vair/(Cp*(tco-tci))912324133000600355.629413276.29.5270.350.328.826.3625.4212212.76614140.1150.1521.8Vc/(L*H)2.383.80Uz*pp*fp/((pp-dto)*(fp-tf))4.036.222626风冷冷凝器设计计算书A*Umax0.5555.9771.041.3*104*GR0.2*d-1.23638.903904.716*(pp/2)(pp*ctg60°/2)-πdto2/44.87E-043.43E-041000/fp5005562fnf0.490.38πdto(1-nf*tf)0.02820.0202Af1+Ar10.51540.4015π*dti0.02770.0200A1/A218.6020.091/(1/αR+1/(αa*SR))809.521045.31A2*N*r*L6.981.011-EXP(-K*Sn*vair/(Va*Cp))0.900.80Fx*(tc-tci)+tci51.1649.380.27*Va*Fx*(tc-tci)3979893704439.239.2ρ*Uz2/23.178.11Δp2+pv42.3747.31迎风风速ωf1.5排数nL5片厚δf0.00015片距sf0.0018管间距s10.02540.3556di0.00882排距s20.022db0.00982ff0.536778fb0.028265fi0.027695ft0.565044翅化系数β20.40252L0.11dea0.002984ωmax2.667756tam41.5Ref454.8877L/dea36.8635A0.091867C0.114909n0.693299m-0.24361空气导热系数λf0.02658a032.55307ρ2.586558ρ'2.748369h'0.0105NS0.863NF0.851Mw49.65652nfw0.861160.4403992ai42.66435B1.185Gd0.00562Di0.0066811.88305133.50.09245827.5801911700276.001530.606220.000142240.0018850.015652.95003E-054.821654054