Page 180 - Low Temperature Energy Systems with Applications of Renewable Energy
P. 180

[55]               462                1:2MPa  105   C  0:925  1890kJ=kg  kJ/kg  Continued
                      B                         0        1660             377
                      Case   33  0.1  30  1.2  124  0.225;  25  0.315;  8.62  40;  ¼  P 1  ¼  t 1  ¼  x 1  ¼  h 1  0.315  ¼  h 8


                                                            0:858MPa  1820kJ=kg  kJ/kg


                                         180    210            90   C  0:954
                      A                                  1350             150
                      Case   25  0.154  30  0.858  90  0.30;  25  0.39;  11.2  40;  ¼  P 1  ¼  t 1  ¼  x 1  ¼  h 1  0.39  ¼  h 8






                                                         1  ¼
                                                   ¼    x w:s: Þ  x 2
                                Dt cond      Dt ab  G 15 =G 2

                         Dt ev  e            e           þ D r:c: ;
                             TS-diagram  t c.w.outlet  TS-diagram  Dt gen  t input.app.  ¼    x w:s: Þ=ðx s:s:  t c:w:outlet
                      Formula  t b.outlet  ¼  t 0  by  ¼  t cond  by  e  t s  ¼  t 9  h 9 x w.s. ;  ¼  t 13  h 13 x s.s. ;  G s:s: =D  ¼  f  ¼ðx 2  ¼  t 2  e  x 13  ¼  x 8  e









                                      C      C           kJ/kg
                                      output,  outlet,   C;  outlet:

                         C                                  generator     8
                         temperature,  MPa pressure,  C  generator  at  kJ/kg  absorber  at  kJ/kg  condenser,  reflux  at  point  at






                  Solution.  evaporation  evaporation  temperature,  MPa pressure,  temperature  parameters,  temperature  parameters,  ratios circulation  after parameters  parameters  vapor  concentration  solution  the  of



                  4.E2  Parameters  agent  Condensation  Condenser  solution  solution  solution  solution  Equilibrium  enthalpy
                  Table  Cooling  Ammonia  Weak  Weak  Strong  Strong  Solution  Steam  Mixture  The
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