Thermodynamics HW Solutions 843

Thermodynamics HW Solutions 843 - Q_dot=h*A*(T_sat-T_s)...

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Chapter 10 Boiling and Condensation 10-59 "!PROBLEM 10-59" "GIVEN" "T_sat=30 [C], parameter to be varied" L=5 "[m]" D=0.01 "[m]" T_s=20 "[C]" m_dot_total=2.5 "[kg/min]" "PROPERTIES" rho_l=1187 "[kg/m^3]" rho_v=37.5 "[kg/m^3]" mu_l=0.201E-3 "[kg/m-s]" C_l=1447 "[J/kg-C]" k_l=0.0796 "[W/m-C]" h_fg=173.3E3 "[J/kg]" g=9.8 "[m/s^2], gravitational acceleraton" "ANALYSIS" h=0.555*((g*rho_l*(rho_l-rho_v)*k_l^3)/(mu_l*(T_sat-T_s))*(h_fg+3/8*C_l*(T_sat-T_s)))^0.25
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Unformatted text preview: Q_dot=h*A*(T_sat-T_s) A=pi*D*L m_dot_cond=Q_dot/h_fg*Convert(kg/s, kg/min) f_condensed=m_dot_cond/m_dot_total*Convert(,%) T sat [C] f condensed [%] 25 6.293 26.25 7.447 27.5 8.546 28.75 9.603 30 10.62 31.25 11.62 32.5 12.58 33.75 13.53 35 14.45 36.25 15.36 37.5 16.26 38.75 17.14 40 18 41.25 18.86 42.5 19.7 43.75 20.53 45 21.36 46.25 22.18 47.5 22.98 48.75 23.78 50 24.58 10-55...
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