Tables for refrigerant of R134a in the domestic refrigerator

prorogues for cold of R134a in the house servant refrigeratorCHAPTER -4RESULTS DISCUSSION4.1 Experimental Procedure on footrace Refrigeration give lessons 4.1.1 skirts for refrigerating of R134a in the domestic refrigerator submit recitation interpreted from the process of R134a refrigerant placed in spite of appearance the observational setup. Note the cultivation of compressor water, mechanical device outlet condenser outlet, evaporator temperature pressure & of varied para molar concentrations within the setup. This is the universal domestic refrigerator having refrigerant 180 grams placed in the dodge.Table 4.1.1 Reading of R134a refrigerant without Heat exchangerThis is the alter money changer domestic refrigerator having refrigerant 150 grams placed in the system, experimental setup is same routine is same as normal domestic refrigerator.Table 4.1.2 Reading of R134a Refrigerant with Heat Exchanger4.1.2 Tables for refrigerant of R410a in the domestic refrigerato rTable 4.1.2.1 Reading for R410a without Heat ExchangerTable exercise taken from the experimental purpose of R410a refrigerant placed in the experimental setup. Note down reading as per procedure placed in third chapter-3This is the normal domestic refrigerator having refrigerant 120 grams placed in the systemTable 4.1.2.2 Reading for R410a Refrigerant with Heat ExchangerThis is the heat exchanger domestic refrigerator having refrigerant 105 grams placed in the system. Experimental setup is same procedure is same as normal domestic refrigerator.4.2 Calculation the Coefficient of Performance a icebox Tutor4.2.1 designing COP of R134a Normal Heat Exchanger domesticated Refrigerator type Calculation for R134a Normal Refrigerator winning valves from shelve 4.1.1 of succeeding(a) parameterEvaporator temperature T1 0c-9.3Pressure (bar) P10.55Compressor temperature (outlet) T2 0c57.5Pressure (bar) P211.72Condenser temperature (outlet)T3 0c44Pressure (bar) P311.03 winning reading and seeing enthalpy set from the selective information handbook with having refrigerant R134a PH chartEvaporator enthalpy H1585KJ/Kg KCompressor enthalpy H2615KJ/Kg KCondensed enthalpy H3460KJ/Kg KC.O.P (H1-H3)/(H2-H1)(585-460)/ (615-585)C.O.P4.16Sample Calculation for R134a with Heat Exchanger RefrigeratorTaking valves from circuit card 4.1.2 of following parameterEvaporator temperature T1 0c-9.6Pressure (bar) P10.58Compressor temperature (outlet) T2 0c55.6Pressure (bar) P215.72Condenser temperature (outlet)T3 0c41.6Pressure (bar) P315.03Taking reading and seeing enthalpy values from the data handbook with having refrigerant R134a PH chartEvaporator enthalpy H1587KJ/Kg KCompressor enthalpy H2617KJ/Kg KCondensed enthalpy H3458KJ/Kg KC.O.P (H1-H3)/ (H2-H1)(587-458)/ (617-587)C.O.P4.3Table 4.2.1 C.O.P of R134a refrigerant with without H.E contrive 4.2.1 interpret Shows C.O.P of R134a refrigerant with without H.E4.2.2 Calculating COP of R1410a Normal Heat Exchanger internal Ref rigeratorSample Calculation for R410a Normal RefrigeratorTaking valves from table 4.1.2.1 of following parameterEvaporator temperature T1 0c-12Pressure (bar) P11.103Compressor temperature (outlet) T2 0c56.8Pressure (bar) P230Condenser temperature (outlet)T3 0c43.9Pressure (bar) P329.65Taking reading and seeing enthalpy values from the data handbook with having refrigerant R410a PH chartEvaporator enthalpy H1434.6KJ/Kg KCompressor enthalpy H2441KJ/Kg KCondensed enthalpy H3423KJ/Kg KC.O.P (H1-H3)/ (H2-H1)(434.6-423)/ (441-434.6)C.O.P1.81Sample Calculation for R410a with Heat Exchanger RefrigeratorTaking valves from table 4.1.2.2 of following parameterEvaporator temperature T1 0c-11.5Pressure (bar) P11.24Compressor temperature (outlet) T2 0c52.3Pressure (bar) P230.34Condenser temperature (outlet)T3 0c42.6Pressure (bar) P330.00Taking reading and seeing enthalpy values from the data handbook with having refrigerant R410a PH chartEvaporator enthalpy H1414.9KJ/Kg KCompressor enthalpy H24 25.4KJ/Kg KCondensed enthalpy H3436.4KJ/Kg KC.O.P (H1-H3)/ (H2-H1)(414.9-436.4)/ (414.9-425.4)C.O.P2.047Table 4.2.2 Represent C.O.P of R410a without With H.E see 4.2.2 Graph Shows COP Of R410a without With H.E4.3 semblance of unblock Temperature of R134 R410a Refrigerant4.3.1 Comparison of offload Temperature of R134a without With H.EFollowing table show difference between normal heat exchanger refrigeration tutor working of compressor discharge temperature consequently shows the by using heat exchanger there is decrease in temperature . This leads to amend the performance of system compared to normal refrigerator tutorTable 4.3.1 Shows Compressor Discharge Temperature of Normal H.E TutorFigure 4.3.1 Graph Shows Compressor Discharge Temperature oddment4.3.2 Comparison of Discharge Temperature of R410a without With H.EFollowing table show difference between normal heat exchanger refrigeration tutor working of compressor discharge temperature thus shows the by using heat exchanger there is decrease in temperature . This leads to improve the performance of system compared to normal refrigerator tutorTable 4.3.2 Shows Compressor Discharge Temperature of Normal H.E SystemFigure 4.3.2 Graph Shows Compressor Discharge Temperature conflict4.4 Comparison of Refrigerator Tutor Running Time by victimisation Various Refrigerants in the System4.4.1 Comparing Running Time uptake R134a Refrigerator Tutor Without With H.EWhen caterpillar tread of refrigerator tutor age calculates to cut last refrigeration effect in the evaporator, when staring from end of cut-off time is taken by the refrigerator tutor.Table 4.4.1 Time Taken for Running R134a Refrigerator Tutor without with H.EIn this process found that time is rock-bottom when tin the H.E refrigerator running time compared to normal refrigerator without H.E.Figure 4.4.1 Graph Shows Difference of Time Taken for Running Refrigeration system4.4.2 Comparing Running Time inlet R410a Refrigerator Tutor Wi thout With H.EWhen the running mode of refrigerator tutor time calculate to get final refrigeration effect in the evaporator, when staring from end of cut-off time is taken by the refrigerator tutor .In this process found that time is decrease when tin the H.E refrigerator running time compared to normal refrigerator without H.E.Table 4.4.2 Time Taken for Running R410a Refrigerator without with H.EFigure No 4.4.2 Shows Difference of Time Taken For Running Refrigeration4.5 Calculating zip Consumption of Various Refrigerant using without with H.E4.5.1 Calculating the qualification Consumption for the Domestic Refrigerator for Running SystemBy giving electric military group to refrigerator tutor energy meter placed to output write out to calculate energy custom .Taking the reading from table 4.1.14.1.2 evaporator, 5 innovation of energy meter in seconds. because calculate the energy consumption into hours.At -9c freezer percentage point time taken for 5 increaseolution of energy meter is 60second heftiness meter constant 1200revolution 1 KW1200=3600Kj1 revolution3600/1200 Kj/revFor 5 revolution (5*3600)/ (60*1200)Energy consumption 0.25Kw-hr Table 4.5.1 Reading of Energy Consumption (KW) of Domestic Refrigerator during operationFigure 4.5.1 Shows the Difference of Energy Consumption in Without With H.E4.5.2 Calculating the Energy Consumption for the Domestic Refrigerator for Running SystemBy giving electric power to refrigerator tutor energy meter placed to output supply to calculate energy consumption .Taking the reading from table 4.1.2.1 4.1.2.2 evaporator, 5 revolution of energy meter in seconds. Hence calculate the energy consumption into hours.At -10c freezer point time taken for 5 revolution of energy meter is 38.12secondEnergy meter constant 1200revolution 1 KW1200=3600KJ1 revolution3600/1200 KJ/revFor 5 revolution (5*3600)/ (38.12*1200)Energy consumption 0.393kw-hrTable 4.5.2 Reading of Energy Consumption (kw) of Domestic Refrigerator duri ng OperationFreezer cut-off point OC-10-12-14.1-16.8-19.6R410a Without H.E0.3930.3850.383