Sổ tay kỹ sư cơ khí P5

End correction for regenerator heat transfer calculation using symmetrical cycle theory27 (courtesy Plenum Press): A= 4 H S ( T + r,) = reducedlength U C 1C + ^W 1W TT = 12H0(7"C -f Tw) ^ ^ 5 ^ — = reduced period Cp5C/ 1 [1 0.1dl U ° = 4 U + —J where Tw, T0 = switching times of warm and cold streams, respectively, hr S = regenerator surface area, m2 U0 = overall heat transfer coefficient uncorrected for hysteresis, kcal/m2 • hr • 0C U = overall heat transfer coefficient Cw, C0 = heat capacity of warm and cold stream, respectively, kcal/hr • 0C c = specific heat...