y“k 14=35 4 湍流a∝u8 a=(2)9=(9m-)=350=27 K≈α氯则 K 代入(3)得 K·Mn7626×272 5926°C K×3.5 3.5 A.=(-35)-(7-75=5926°C T-35 解得T=116.5℃相应pv=1792kPa,将饱和蒸汽压降低到1792kPa可达目的8 3.5 0.4 1.4 / / / , , / = = = = m m m c m c K t K t q q Q Q (3) 湍流 u 0.8 ( ) ( ) 3.5 2.72 0.8 0.8 / , 0.8 , / / = = = = m c m c q q u u K 氯苯 则 2.72 / / = = K K 代入(3)得 C K K t t m m 59.26 3.5 76.26 2.72 3.5 / / = = = C T T T T tm 59.26 75 35 ln ( 35) ( 75) / / / / = − − − − − = 解得 T / = 116.5℃ 相应pV = 179.2kPa,将饱和蒸汽压降低到179.2kPa可达目的