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5、12 7 kF b o 13 b I b o 14 I - I g) 15 P I 16 kF g 17 kF g 18 kF g g5j 19 kF 20 kF 21 22 kF 23 kF 24 kF g 25 kF 7 H 26 kF 27 kF 28 kF q D1.5 kT9 D15.1 9 a. YV I / T9 T Li I m3/h- Ci I “ n c A Pi- I - IPa 5 i- I) b kg/m3b 暖通空调在线 T Pi- I) b Pa Ti- I) b K di- I) b c A kg/kg b b I H9 YV I b b.S / / T9 :
6、 T L0-S / m3/h D1.5.2 H b 9 T Qa- b kW I1- kF g b kJ/kg b I2- kF g b kJ/kg b Cpw- 1 kJ/kg.k d- kF g b c A kJ/kg b t2s- kF g b A o Nf- kF qQ8 H qWb D1.5.3 F H b 9 T t1- kF g b t2- kF g b Cpa- b 1 kJ/kg.K D1.5.4 9 A8 9 H W=m/Z (D6) 8A8 9 H W=pmV/Z (D7) 暖通空调在线 TW- kg/s m-A8 9 kg Z- HW s 5w- kg/m3 V-A8 9 8 m3 D1.5.5 F H 9 Qw=WCpw tw2-tw1 D8 TQw- kW tw1- g tw1- g D1.5.6 F H 9 Qw=WCpw(tw1-tw2) (D9) D1.5.7 F H 9 Qz=W(Lv1-Lv2) (D10) TQz- kW Iv1- g kJ/kg Iv2- g kJ/kg D1.5.8 F / T9 Q=(Qa+Qj)/2 (D11) TQ- kF kW QJ- F HQw F HQz kW D1.5.9 k b A/K = -10%=-15% T| Qw- kF kW W- 5 kg/s
