X7.714� �yB�Q=5 Q=Qconv+Qrad Qrad=epsilon_eff*sigma*finspacing*finlength*(Tw^4-Ta^4)*numberchannels+Qradsides finspacing=0.9/100 finlength=5/100 finheight=2/100 numberchannels=5 Qradsides=epsilon*sigma*Asides*(Tw^4-Ta^4) {accounts for the two ends exposed to the surroundings} Asides=finlength*finheight*2 sigma=5.67*10^(-8) Ta=25+273 epsilon_eff=1.4 {from Fig. 12.10} epsilon=0.8 Qconv=h*Atotal*(Tw-Ta) Atotal=finlength^2+finheight*finlength*2*numberfins numberfins=numberchannels+1 parameter=Gr*Pr*S*numberchannels/finheight Pr=Prandtl(Air,T=Ta) {it would be a little more accurate to use the average of Ta and Tw} Gr=g*beta*(Tw-Ta)*finheight^3/visc^2 g=9.81 beta=1/Ta visc=Viscosity(Air,T=Ta)/Density(Air,T=Ta,P=101) Nu=5.22*10^(-3)*parameter^0.57*(finheight/halflength)^0.656*(S/halflength)^0.412 halflength=finlength/2 S=finspacing+finwidth finwidth=0.1/100 Nu=h*halflength/k k=Conductivity(Air,T=Ta) {$ID$ #91: Educational version distributed by McGraw-Hill}(,h�T5���?�il��7��?���6A_p��?d��?OpD��hȧ��OpD��hȧ�s��� �����?OpD��hȧ��OpD��hȧ�s�(�2�U@��?OpD��hȧ��OpD��hȧ�s">?>j=|��?OpD��hȧ��OpD��hȧ�s�|���h�� ��?OpD��hȧ��OpD��hȧ�sr;� @�Xp��?OpD��hȧ��OpD��hȧ�s��1�6� [���?OpD��hȧ��OpD��hȧ�s1��]������?OpD��hȧ��OpD��hȧ�sM �t �� �� ���?OpD��hȧ��OpD��hȧ�s� � k� �� ���?OpD��hȧ��OpD��hȧ�s� � � � � � � ���?OpD��hȧ��OpD��hȧ�sf *o |� �� %��?OpD��hȧ��OpD��hȧ�srB�T�g9��?OpD��hȧ��OpD��hȧ�s�����1���?OpD��hȧ��OpD��hȧ�s��?OpD��hȧ��OpD��hȧ�s��?OpD��hȧ��OpD��hȧ�s��?OpD��hȧ��OpD��hȧ�s��?OpD��hȧ��OpD��hȧ�s��?OpD��hȧ��OpD��hȧ�s��?OpD��hȧ��OpD��hȧ�s��?OpD��hȧ��OpD��hȧ�s��?OpD��hȧ��OpD��hȧ�s��?OpD��hȧ��OpD��hȧ�s��?OpD��hȧ��OpD��hȧ�s��?OpD��hȧ��OpD��hȧ�s��?OpD��hȧ��OpD��hȧ�sQz Qxz�@��?OpD��hȧ��OpD��hȧ�s��-�QconvQconQCO�����ꜛ@��?OpD��hȧ��OpD��hȧ�s-�QradQradQRASxz ףp= ף�?��?OpD��hȧ��OpD��hȧ�s��-�gGX���(\����@��?OpD��hȧ��OpD��hȧ�s��(�Dh��J=�betabetaBETXY���a���?��?OpD��hȧ��OpD��hȧ�s��-nnels/finheight@�p�p�viscviscVIS���;HyI��?��?OpD��hȧ��OpD��hȧ�s��m^2/s3xz�E43��finwidth=finspacing+finwidth<�O��n��?��?OpD��hȧ��OpD��hȧ�s������������Nu�NUaxz�֥L�c�@��?OpD��hȧ��OpD��hȧ�sm-K/W0.412iloxz̮tNu=5� halflengthfleng ���������?��?OpD��hȧ��OpD��hȧ�s��-L0.57rchxz̮8ight�k�KLFxz�W��U���?��?OpD��hȧ��OpD��hȧ�s��W/m-Kxz̮\ j���,e�X���?� 0d�e� I��((Z��q((p�l�((MM� ��� Calculate����������������������������������������������������������������������������������������������������������������������������;�O��n���;�O��n��? ףp= ף�?;�O��n��?#�GG�ŧ�? ColorA=000000 ColorB=FF0000 ColorC=0000FF ColorD=408000 ColorE=800080 ColorF=004080 ColorG=00FFFF ColorH=00FF00 ColorI=008080 ColorJ=FFFF80 ColorK=808080 ColorL=FF80FF ColorM=C0C0C0 ColorN=800000 ColorO=808040 ColorP=4080FF;