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Date of download: 6/3/2016 Copyright © ASME. All rights reserved. From: Comparison of the Straight Adiabatic Capillary Tube Expansion Devices Used in Refrigeration.

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Presentation on theme: "Date of download: 6/3/2016 Copyright © ASME. All rights reserved. From: Comparison of the Straight Adiabatic Capillary Tube Expansion Devices Used in Refrigeration."— Presentation transcript:

1 Date of download: 6/3/2016 Copyright © ASME. All rights reserved. From: Comparison of the Straight Adiabatic Capillary Tube Expansion Devices Used in Refrigeration Systems Operating With Refrigerants R134a and R1234yf J. Thermal Sci. Eng. Appl. 2016;8(2):021015-021015-7. doi:10.1115/1.4032366 Procedure for the sizing of capillary tube diameter Figure Legend:

2 Date of download: 6/3/2016 Copyright © ASME. All rights reserved. From: Comparison of the Straight Adiabatic Capillary Tube Expansion Devices Used in Refrigeration Systems Operating With Refrigerants R134a and R1234yf J. Thermal Sci. Eng. Appl. 2016;8(2):021015-021015-7. doi:10.1115/1.4032366 Comparison of the speed of sound of water–air mixture at P = 1 bar and T = 298.15 K calculated in this work with that measured by Karplus [21] Figure Legend:

3 Date of download: 6/3/2016 Copyright © ASME. All rights reserved. From: Comparison of the Straight Adiabatic Capillary Tube Expansion Devices Used in Refrigeration Systems Operating With Refrigerants R134a and R1234yf J. Thermal Sci. Eng. Appl. 2016;8(2):021015-021015-7. doi:10.1115/1.4032366 Variation of speed of sound with vapor fraction for refrigerant R134a at an evaporating temperature of −20 °C Figure Legend:

4 Date of download: 6/3/2016 Copyright © ASME. All rights reserved. From: Comparison of the Straight Adiabatic Capillary Tube Expansion Devices Used in Refrigeration Systems Operating With Refrigerants R134a and R1234yf J. Thermal Sci. Eng. Appl. 2016;8(2):021015-021015-7. doi:10.1115/1.4032366 Variation of the critical mass flux of the refrigerant under choked flow conditions with condensing temperature at an evaporating temperature of −20 °C and zero degrees of subcooling Figure Legend:

5 Date of download: 6/3/2016 Copyright © ASME. All rights reserved. From: Comparison of the Straight Adiabatic Capillary Tube Expansion Devices Used in Refrigeration Systems Operating With Refrigerants R134a and R1234yf J. Thermal Sci. Eng. Appl. 2016;8(2):021015-021015-7. doi:10.1115/1.4032366 Variation of speed of sound at capillary tube outlet under choked flow conditions with condensing temperature at an evaporating temperature of −20 °C and zero degrees of subcooling Figure Legend:

6 Date of download: 6/3/2016 Copyright © ASME. All rights reserved. From: Comparison of the Straight Adiabatic Capillary Tube Expansion Devices Used in Refrigeration Systems Operating With Refrigerants R134a and R1234yf J. Thermal Sci. Eng. Appl. 2016;8(2):021015-021015-7. doi:10.1115/1.4032366 Variation of vapor fraction at capillary tube outlet under choked flow conditions with condensing temperature at an evaporating temperature of −20 °C and zero degrees of subcooling Figure Legend:

7 Date of download: 6/3/2016 Copyright © ASME. All rights reserved. From: Comparison of the Straight Adiabatic Capillary Tube Expansion Devices Used in Refrigeration Systems Operating With Refrigerants R134a and R1234yf J. Thermal Sci. Eng. Appl. 2016;8(2):021015-021015-7. doi:10.1115/1.4032366 Variation of ratio of the mass flow rate of R1234yf and that of R134a under choked flow conditions with condensing temperature at an evaporating temperature of −20 °C and different degrees of subcooling Figure Legend:

8 Date of download: 6/3/2016 Copyright © ASME. All rights reserved. From: Comparison of the Straight Adiabatic Capillary Tube Expansion Devices Used in Refrigeration Systems Operating With Refrigerants R134a and R1234yf J. Thermal Sci. Eng. Appl. 2016;8(2):021015-021015-7. doi:10.1115/1.4032366 Variation of ratio of the diameter of R1234yf and that of R134a under choked flow conditions with condensing temperature at an evaporating temperature of −20 °C and different degrees of subcooling Figure Legend:

9 Date of download: 6/3/2016 Copyright © ASME. All rights reserved. From: Comparison of the Straight Adiabatic Capillary Tube Expansion Devices Used in Refrigeration Systems Operating With Refrigerants R134a and R1234yf J. Thermal Sci. Eng. Appl. 2016;8(2):021015-021015-7. doi:10.1115/1.4032366 Variation of critical mass flux through a capillary tube operating with R1234yf under choked flow condition and different degrees of subcooling with condensing temperature Figure Legend:

10 Date of download: 6/3/2016 Copyright © ASME. All rights reserved. From: Comparison of the Straight Adiabatic Capillary Tube Expansion Devices Used in Refrigeration Systems Operating With Refrigerants R134a and R1234yf J. Thermal Sci. Eng. Appl. 2016;8(2):021015-021015-7. doi:10.1115/1.4032366 Variation of the ratio of length of capillary tube required with R1234yf and R134a with condensing temperature for the same refrigeration capacity, and choking at the capillary tube exit Figure Legend:

11 Date of download: 6/3/2016 Copyright © ASME. All rights reserved. From: Comparison of the Straight Adiabatic Capillary Tube Expansion Devices Used in Refrigeration Systems Operating With Refrigerants R134a and R1234yf J. Thermal Sci. Eng. Appl. 2016;8(2):021015-021015-7. doi:10.1115/1.4032366 Minimum diameter of capillary tubes for a 100 W cooling capacity refrigerator operating with R134a and R1234yf at an evaporating temperature of −20 °C, subcooling/superheating of zero Figure Legend:


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