板翅式计算热负荷kw115115.2429519热流体流量L/min375`冷流体平均流速m/s6.9热流体入口温度97空气温度℃60高1.181芯子尺寸宽厚0.60.1130.60.113体积0.0886528阻塞面积迎风面积管0.78453830.2210832有效通风面计算风速积m/s带0.0001863510.5632687499.6105331容积流量m³/s5.413314275.41331427排数1挡条尺寸内翅片长0.006壁厚0.00017每排管数48高0.0025波高0.0025散热管尺寸(矩形管带内翅片)管长轴长管短轴长管材壁厚流通总面积总管数mmmmmm㎡480.1130.00390.00070.01060904内当量直径单管内阻塞总内表面积总外表面积单管内表面积mm面积(Ah)㎡㎡0.2444670.00223653.14783E-0522.23114413.253上波距（小）下波距总波数单波周长总周长0.0030.00316.833333330.0110.185166667热侧流体计算排数1圆半径m0.0003每排带数49直线长m0.00875总带数49单波周长m0.022584散热带尺寸波高波数mm0.0095236.2通道面积当量直径㎡㎡2.38E-0.21E-03波距带材壁厚肋化系数mmmm0.0050.00017单条表面积带总外表面气侧总面积㎡㎡㎡1.20556102159.0724900272.3261444冷却侧流体计算0.00625冷侧温差Δ19.8183260.0088809tcR=P=Ψ=dtmax=进口端温度60tc1出口端温度0.53563042179.818326tc20.98平均温度tm69.9091630.22955756532.4505534517.18167444dthdtc17.18167432.450553冷却流体物性参数（空气）热扩散率(a×106)㎡/s16.9单流程动力粘度(μ×106)pa·s282.5运动粘度(ν×106)㎡/s0.295Pr1.75温度(t)℃69.90916278Re=(凸凹带)密度(ρ)kg/m31.06662.19E+03比热(Cp)KJ/(kg·K)1.005u=de=v=L/d50.12498771.180.00420384.50E+030.002735813juf/uwufuw0.9355398.63E-049.19E-048.75E+00.25导热系数(λ×102)W/(m·K)2.8.6105330.004206521.85E-05REFp/FHFp/2Aldlld/l2.19E+030.26310.1130.0111.3热扩散率(a×106)㎡/s26.5动力粘度(μ×106)pa·s20运动粘度(ν×106)㎡/s1.85E+01Pr0.6970.019384热侧温差Δth=q/(qv*ρ*cp）4.944655体积流量qvm³/s进口端温度th1出口端温度th2平均温度tm9792.4505534594.72527673135对数平均温差=（dtmax-dtmin）/ln(dtmax/dtmin)=23.532178dtmin=热流体物性参数()温度(t)℃94.72527673Re=密度(ρ)kg/m3958.44.50E+03比热(Cp)KJ/(kg·K)4.22u=m/sde=mν=㎡/s导热系数(λ×102)W/(m·K)68.30.51202220.00223652.95E-07fff=1.16*Re^(-0.309)*(Fp/FH)^0.3703*(Fp/2A)^(-0.25)*(LD/L)^(-0.1152)j=0.0836*Re^(-0.2309)*(Fp/FH)^0.1284*(Fp/2A)^(-0.153)*(LD/L)^(-0.326)Nu,c=Re*Pr^(1/3)*jcdt=th-tw=q/h=q/Ac*h=q/Ac*hctw=th+dt0.049710474j0.001171410.485222Nu=tw1.48E+01dt=th-tw=q/h=q/Ah*h=q/Ah*hhtw=th-dtNu=tw12.8443.84散热管金属材料物理性能（3003）热扩散率比热导热系数(Cp)(a×106)(λ)W/(m·K)KJ/(kg·K)㎡/s881169Nu1.48E+01对流传热系数hhNu*λ/de4.50E+03λ68.3de0.0022365hh4.50E+03(2*hh/(λ*翅片参数mh559.4973455λ1.69E+02δfh))^(1/2)δ1.70E-04m5.59E+02(tanh(mhhh,c))/翅片效率3.92E-01mhfhh4.50E-03Afh1.05E+011-(Af,h/Ah)*(1-翅片总效率7.13E-01ηfh3.92E-01ηfh)Ah2.22E+011/((1/(hc*η总传热系数计K=oc))+(1/hh)*(Ac/Ah)+(δ/67.710977λ)*(Ac/Ah))计算热负荷Q=Kc*Ac*dtm115.2429519温度(t)℃100密度(ρ)kg/m32790温度(t)℃100密度(ρ)kg/m32790散热带金属材料物理性能（3003)比热(Cp)导热系数热扩散率动力粘度KJ/(kg·K)(λ)W/(m·K)881169NuλdehcλδmhAfcηfcAc10.4852222.884.21E-037.18E+011.69E+021.70E-047.07E+019.74E-014.00E-035.91E+019.74E-017.23E+01运动粘度Pr对流传热系hc=Nu,c*(数hcλ/de)翅片参数mc翅片效率ηfc7.18E+01(2*hc/(λ*70.69210028δ(tanh(mchf,c))/mhfc9.74E-013.92E-017.13E-01Ahδλ22.23114467.7109770.00071691-翅片总效率(Af,c/Ac)*(ηoc1-ηfc)9.79E-019.79E-01阻力计算f=(1.58*lnRe-0.0099772393.28)^(-2)dp=3477.128834阻力计算dp=f=(1.82*lgRe-0.0507747081.)^(-2)2.69E+02芯子重量框架总重模块总重#REF!59.8#REF!124
