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1. Plot the four locations in the psychrometric chart and determine the other properties for each condition using a psychrometric chart (Appendix 8a and 8b). Locations of air Tdb, °C Twb, °C Ambient air 32 28 Conditioned air 25 20 Air at the dryer inlet 30 23 Air at the dryer outlet 33 27

1. Plot the four locations in the psychrometric chart and determine the other properties for each condition using a psychrometric chart (Appendix 8a and 8b). Locations of air Tdb, °C Twb, °C Ambient air 32 28 Conditioned air 25 20 Air at the dryer inlet 30 23 Air at the dryer outlet 33 27

Refrigeration and Air Conditioning Technology (MindTap Course List)
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter50: Commercial, Packaged Rooftop, Variable Refrigerant Flow, And Variable Air Volume Systems
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1. Plot the four locations in the psychrometric chart and determine the other properties for
each condition using a psychrometric chart (Appendix 8a and 8b).

               Locations of air                        Tdb, °C                            Twb, °C
Ambient air                             32                           28
Conditioned air                             25                           20
Air at the dryer inlet                             30                           23
Air at the dryer outlet                             33 27

3. What is the relationship between relative humidity and temperature? What about humidity
ratio and temperature?

temperatures. Appendix 8a. Carrier Psychrometric chart at normal 10 15 Enthalpy at saturation kJkg Dry Air 15 50 40 55 60 65 70 75 90 95 100105 Sensible Heat Factor Moisture content kg/kg Dry Air 120 130 135 140 145 Carrier 0,36 35 40 45 50 55 F0,033 0,032 는0,031 PSYCHROMETRIC CHART 0,030 L0,40 0,029 NORMAL TEMPERATURES 0.028 SI METRIC UNITS Barometric Pressure 101,325 kPa 0,027 L0,45 0,026 SEA LEVEL 0,025 0,024 0,023 0,50 0,022 0,021 0,55 0,020 0,019 F0,60 0,018 0.017 E0,65 0,016 0,95 0.015 F0,70 Ho014 는0.75 to 0,013 0,80 0,012 0,85 0,011 E0,90 0,010 0.95 20 E1,00 0.009 10 0,008 0.007 0006 주 Wet Bulb or Saturation Temperature C H0,005 모 0,004 0,003 0,002 0,001 -10 10 15 20 25 40 45 0,00 55 0,75 0,80 Dry Bulb Temperature C 0,85 0,90 Below 0°C, Properties and Enthalpy Deviation Lines Are For lce Volume m/kg dry air
Transcribed Image Text:temperatures. Appendix 8a. Carrier Psychrometric chart at normal 10 15 Enthalpy at saturation kJkg Dry Air 15 50 40 55 60 65 70 75 90 95 100105 Sensible Heat Factor Moisture content kg/kg Dry Air 120 130 135 140 145 Carrier 0,36 35 40 45 50 55 F0,033 0,032 는0,031 PSYCHROMETRIC CHART 0,030 L0,40 0,029 NORMAL TEMPERATURES 0.028 SI METRIC UNITS Barometric Pressure 101,325 kPa 0,027 L0,45 0,026 SEA LEVEL 0,025 0,024 0,023 0,50 0,022 0,021 0,55 0,020 0,019 F0,60 0,018 0.017 E0,65 0,016 0,95 0.015 F0,70 Ho014 는0.75 to 0,013 0,80 0,012 0,85 0,011 E0,90 0,010 0.95 20 E1,00 0.009 10 0,008 0.007 0006 주 Wet Bulb or Saturation Temperature C H0,005 모 0,004 0,003 0,002 0,001 -10 10 15 20 25 40 45 0,00 55 0,75 0,80 Dry Bulb Temperature C 0,85 0,90 Below 0°C, Properties and Enthalpy Deviation Lines Are For lce Volume m/kg dry air
Appendix 8b. Carrier Psychrometric chart at high temperatures. Carrier 320 330 340 350 360 370 380 390 400 PSYCHROMETRIC CHART 60 80 90 HIGH TEMPERATURES 100 110 1201 SI METRIC UNITS 0,10 Barometrie Pressure 101.325 KPa SEA LEVEL 0,09 0.08 0,07 0,06 0.05 -0.04 120 110 -0.03 5% 0,02 -0,01 20 30 40 50 60 70 Dry Bulb Temperature °C 80 90 -0,00 120 100 110 FIG. A.5. PSYCHROMETRIC CHART Copyright ©Carrier Corporation 1975 Cat. No. 794-005 Printed in U.S.A. 210 220 250 260 270 280 290 300 310 Enthalpy At Saturation kJ/kg Dry Air 120 130 140 150 160 170, 180 190 200 210 Wet Bulb or Saturatipn Temperature C 10 10% [ 9% 8% Moisture Content kg/kg Dry Air
Transcribed Image Text:Appendix 8b. Carrier Psychrometric chart at high temperatures. Carrier 320 330 340 350 360 370 380 390 400 PSYCHROMETRIC CHART 60 80 90 HIGH TEMPERATURES 100 110 1201 SI METRIC UNITS 0,10 Barometrie Pressure 101.325 KPa SEA LEVEL 0,09 0.08 0,07 0,06 0.05 -0.04 120 110 -0.03 5% 0,02 -0,01 20 30 40 50 60 70 Dry Bulb Temperature °C 80 90 -0,00 120 100 110 FIG. A.5. PSYCHROMETRIC CHART Copyright ©Carrier Corporation 1975 Cat. No. 794-005 Printed in U.S.A. 210 220 250 260 270 280 290 300 310 Enthalpy At Saturation kJ/kg Dry Air 120 130 140 150 160 170, 180 190 200 210 Wet Bulb or Saturatipn Temperature C 10 10% [ 9% 8% Moisture Content kg/kg Dry Air
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