CFD NUMERICAL AND EXPERIMENTAL INVESTIGATION OF TWO-PHASEFLOW DEVELOPMENT AFTER AN EXPANSION DEVICE IN AHORIZONTAL PIPE

Sharifian Barforoush, Seyed Ahmad; BARFOROUSH, Ahmad SHARIFIAN; Malpress, Ray; MAHMOOD, Dr. Raid Ahmed Mahmood

CFD NUMERICAL AND EXPERIMENTAL INVESTIGATION OF TWO-PHASEFLOW DEVELOPMENT AFTER AN EXPANSION DEVICE IN AHORIZONTAL PIPE

Raid Ahmed MAHMOOD, (University of Southern Queensland, School of Mechanical and Electrical Engineering, Australia)

David BUTTSWORTH, (University of Southern Queensland, School of Mechanical and Electrical Engineering, Australia)

Ray MALPRESS, (University of Southern Queensland, School of Mechanical and Electrical Engineering, Australia)

Ahmad SHARIFIAN BARFOROUSH (University of Southern Queensland, School of Mechanical and Electrical Engineering, Australia)

Journal of Thermal Engineering

2 0

Yıl: 2021 Cilt: 7 Sayı: 1 Sayfa Aralığı: 307 - 323 Metin Dili: İngilizce İndeks Tarihi: 01-05-2021

CFD NUMERICAL AND EXPERIMENTAL INVESTIGATION OF TWO-PHASEFLOW DEVELOPMENT AFTER AN EXPANSION DEVICE IN AHORIZONTAL PIPE

Öz:

To optimize a vertical flash tank separator, the characteristics of the flow entering the separator are required to be known. A flash tank separator improves the performance of a refrigeration cycle by separating the liquid from liquid-gas flow and providing the evaporator with only liquid refrigerant. This technique improves the effective area and enhances the heat transfer coefficient in the evaporator. This paper investigates the influence of the inlet operating conditions to an expansion device, on the adiabatic two-phase flow development in a horizontal pipe downstream from the expansion device. This work also compares three dimensional numerical simulations and experimental observations for the two-phase flow development after the expansion device in the horizontal pipe. A general trend of the two-phase flow after the expansion device was gradually developed and the expansion length was identified at less than 200 mm from the inlet. The two-phase flow behaviour was recorded using a digital camera recording the flow behaviour at the upstream and downstream of the horizontal tube. The results revealed that an increase of the mass flow rate causes an increase in the void fraction and a reduction in the slip ratio in the developed region. The simulations underestimate the expansion length and the mean difference between the experimental data and the numerical results is 8 %.

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Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık

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APA	MAHMOOD D, Malpress R, Sharifian Barforoush S, BARFOROUSH A (2021). CFD NUMERICAL AND EXPERIMENTAL INVESTIGATION OF TWO-PHASEFLOW DEVELOPMENT AFTER AN EXPANSION DEVICE IN AHORIZONTAL PIPE. , 307 - 323.
Chicago	MAHMOOD Dr. Raid Ahmed Mahmood,Malpress Ray,Sharifian Barforoush Seyed Ahmad,BARFOROUSH Ahmad SHARIFIAN CFD NUMERICAL AND EXPERIMENTAL INVESTIGATION OF TWO-PHASEFLOW DEVELOPMENT AFTER AN EXPANSION DEVICE IN AHORIZONTAL PIPE. (2021): 307 - 323.
MLA	MAHMOOD Dr. Raid Ahmed Mahmood,Malpress Ray,Sharifian Barforoush Seyed Ahmad,BARFOROUSH Ahmad SHARIFIAN CFD NUMERICAL AND EXPERIMENTAL INVESTIGATION OF TWO-PHASEFLOW DEVELOPMENT AFTER AN EXPANSION DEVICE IN AHORIZONTAL PIPE. , 2021, ss.307 - 323.
AMA	MAHMOOD D,Malpress R,Sharifian Barforoush S,BARFOROUSH A CFD NUMERICAL AND EXPERIMENTAL INVESTIGATION OF TWO-PHASEFLOW DEVELOPMENT AFTER AN EXPANSION DEVICE IN AHORIZONTAL PIPE. . 2021; 307 - 323.
Vancouver	MAHMOOD D,Malpress R,Sharifian Barforoush S,BARFOROUSH A CFD NUMERICAL AND EXPERIMENTAL INVESTIGATION OF TWO-PHASEFLOW DEVELOPMENT AFTER AN EXPANSION DEVICE IN AHORIZONTAL PIPE. . 2021; 307 - 323.
IEEE	MAHMOOD D,Malpress R,Sharifian Barforoush S,BARFOROUSH A "CFD NUMERICAL AND EXPERIMENTAL INVESTIGATION OF TWO-PHASEFLOW DEVELOPMENT AFTER AN EXPANSION DEVICE IN AHORIZONTAL PIPE." , ss.307 - 323, 2021.
ISNAD	MAHMOOD, Dr. Raid Ahmed Mahmood vd. "CFD NUMERICAL AND EXPERIMENTAL INVESTIGATION OF TWO-PHASEFLOW DEVELOPMENT AFTER AN EXPANSION DEVICE IN AHORIZONTAL PIPE". (2021), 307-323.

APA	MAHMOOD D, Malpress R, Sharifian Barforoush S, BARFOROUSH A (2021). CFD NUMERICAL AND EXPERIMENTAL INVESTIGATION OF TWO-PHASEFLOW DEVELOPMENT AFTER AN EXPANSION DEVICE IN AHORIZONTAL PIPE. Journal of Thermal Engineering, 7(1), 307 - 323.
Chicago	MAHMOOD Dr. Raid Ahmed Mahmood,Malpress Ray,Sharifian Barforoush Seyed Ahmad,BARFOROUSH Ahmad SHARIFIAN CFD NUMERICAL AND EXPERIMENTAL INVESTIGATION OF TWO-PHASEFLOW DEVELOPMENT AFTER AN EXPANSION DEVICE IN AHORIZONTAL PIPE. Journal of Thermal Engineering 7, no.1 (2021): 307 - 323.
MLA	MAHMOOD Dr. Raid Ahmed Mahmood,Malpress Ray,Sharifian Barforoush Seyed Ahmad,BARFOROUSH Ahmad SHARIFIAN CFD NUMERICAL AND EXPERIMENTAL INVESTIGATION OF TWO-PHASEFLOW DEVELOPMENT AFTER AN EXPANSION DEVICE IN AHORIZONTAL PIPE. Journal of Thermal Engineering, vol.7, no.1, 2021, ss.307 - 323.
AMA	MAHMOOD D,Malpress R,Sharifian Barforoush S,BARFOROUSH A CFD NUMERICAL AND EXPERIMENTAL INVESTIGATION OF TWO-PHASEFLOW DEVELOPMENT AFTER AN EXPANSION DEVICE IN AHORIZONTAL PIPE. Journal of Thermal Engineering. 2021; 7(1): 307 - 323.
Vancouver	MAHMOOD D,Malpress R,Sharifian Barforoush S,BARFOROUSH A CFD NUMERICAL AND EXPERIMENTAL INVESTIGATION OF TWO-PHASEFLOW DEVELOPMENT AFTER AN EXPANSION DEVICE IN AHORIZONTAL PIPE. Journal of Thermal Engineering. 2021; 7(1): 307 - 323.
IEEE	MAHMOOD D,Malpress R,Sharifian Barforoush S,BARFOROUSH A "CFD NUMERICAL AND EXPERIMENTAL INVESTIGATION OF TWO-PHASEFLOW DEVELOPMENT AFTER AN EXPANSION DEVICE IN AHORIZONTAL PIPE." Journal of Thermal Engineering, 7, ss.307 - 323, 2021.
ISNAD	MAHMOOD, Dr. Raid Ahmed Mahmood vd. "CFD NUMERICAL AND EXPERIMENTAL INVESTIGATION OF TWO-PHASEFLOW DEVELOPMENT AFTER AN EXPANSION DEVICE IN AHORIZONTAL PIPE". Journal of Thermal Engineering 7/1 (2021), 307-323.