Two-Phase Flow Development of R134a in a Horizontal Pipe: Computational Investigation

Article

Mahmood, Raid A., Saleh, Khalid, Musa, Veyan A., Massoud, Enass, Sharifian-Barforoush, Ahmad and Abdulkareem, Lokman A.. 2021. "Two-Phase Flow Development of R134a in a Horizontal Pipe: Computational Investigation." International Journal of Heat and Technology (Calore e Tecnologia). 39 (5), pp. 1532-1540. https://doi.org/10.18280/ijht.390515
Article Title

Two-Phase Flow Development of R134a in a Horizontal Pipe: Computational Investigation

ERA Journal ID122827
Article CategoryArticle
AuthorsMahmood, Raid A. (Author), Saleh, Khalid (Author), Musa, Veyan A. (Author), Massoud, Enass (Author), Sharifian-Barforoush, Ahmad (Author) and Abdulkareem, Lokman A. (Author)
Journal TitleInternational Journal of Heat and Technology (Calore e Tecnologia)
Journal Citation39 (5), pp. 1532-1540
Number of Pages9
Year2021
Place of PublicationCanada
ISSN0392-8764
Digital Object Identifier (DOI)https://doi.org/10.18280/ijht.390515
Web Address (URL)https://www.iieta.org/journals/ijht/paper/10.18280/ijht.390515
Abstract

To improve the performance of vapor compression refrigeration systems that use vertical gravitational flash tank separators, the liquid separation efficiency of the vertical gravitational flash tank separator requires to be approved. To approach this improvement, the two-phase flow development and its behavior after the expansion device need to be investigated and predicted. For thus, this paper presents a three-dimensional computational investigation of the two-phase flow development of R134a after the expansion device in a horizontal pipe. Computational Fluid Dynamic (CFD) was used to predict the two-phase development and its behavior in the horizontal pipe. ANSYS 16.2 program was used to generates the geometry of the three-dimensional horizontal pipe of 2 meters long and 25 mm inner diameter. The hexahedral mesh was generated and it is assessed to obtain the optimum mesh size and number. Eulerian-Eulerian two-phase model was used with k-epsilon turbulence model. R134a was used as a working fluid in the horizontal pipe utilizing four different inlet diameters: 12, 12.5, 25, and 50.0 mm. Mass flux and vapor quality have been changed from 288 to 447 kg/m(2) .s and from 10 to 20% respectively. Results were validated against experimental results from the literature and revealed that the separation region length is affected by the initial phase velocities, inlet vapor quality, and inlet tube diameter. An empirical correlation to predict the expansion region length is proposed as a function of Froude, Webber, and Lockhart-Martinelli numbers.

Keywordstwo-phase flow; R134a; computational fluid dynamic; expansion length; two-phase flow development; flow in a horizontal pipe
Contains Sensitive ContentDoes not contain sensitive content
ANZSRC Field of Research 2020401706. Numerical modelling and mechanical characterisation
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Byline AffiliationsSchool of Mechanical and Electrical Engineering
University of Zakho, Iraq
Arab Academy for Science, Technology and Maritime Transport, Egypt
Institution of OriginUniversity of Southern Queensland
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Experimental and computational investigation of gravity separation in a vertical flash tank separator
Mahmood, Raid Ahmed. 2018. Experimental and computational investigation of gravity separation in a vertical flash tank separator . PhD Thesis Doctor of Philosophy. University of Southern Queensland. https://doi.org/10.26192/5c0da776f69cf
Numerical investigation of nanofluid laminar forced convective heat transfer inside an equilateral triangular tube
Etminan, Amin, Harun, Zambri and Sharifian, Ahmad. 2017. "Numerical investigation of nanofluid laminar forced convective heat transfer inside an equilateral triangular tube." 2016 International Conference on Environmental Engineering and Sustainable Development (CEESD 2016) . Sanya, China 09 - 11 Dec 2016 Bristol, England. IOP Publishing. https://doi.org/10.1088/1755-1315/51/1/012002
Wind tunnel experiments on effects of woven wire screens and buffer zones in mitigating risks associated with firebrand showers
Sharifian, Ahmad and Hashempour, Javad. 2020. "Wind tunnel experiments on effects of woven wire screens and buffer zones in mitigating risks associated with firebrand showers." Australian Journal of Mechanical Engineering. 18 (2), pp. 156-168. https://doi.org/10.1080/14484846.2018.1447225
Performance of a single-duct portable propane air conditioning system under different refrigerant charge levels
Tangalajuk Siang, Jeri and Sharifian, Ahmad. 2017. "Performance of a single-duct portable propane air conditioning system under different refrigerant charge levels." Heat Transfer. 46 (8), pp. 1246-1261. https://doi.org/10.1002/htj.21271
Effective factors on the performance of woven wire screens against leaf firebrand attacks
Hashempour, Javad and Sharifian, Ahmad. 2017. "Effective factors on the performance of woven wire screens against leaf firebrand attacks." Journal of Fire Sciences. 35 (4), pp. 303-316. https://doi.org/10.1177/0734904117709203
Extending the capillary tube of a propane air-conditioner to reduce the refrigerant charge
Tangalajuk Siang, Jeri and Sharifian, Ahmad. 2017. "Extending the capillary tube of a propane air-conditioner to reduce the refrigerant charge." Energy Procedia. 110, pp. 229-234. https://doi.org/10.1016/j.egypro.2017.03.132
Flow field and performance study of vertical axis Savonius type SST wind turbine
Al-Faruk, Abdullah and Sharifian, Ahmad. 2017. "Flow field and performance study of vertical axis Savonius type SST wind turbine." Energy Procedia. 110, pp. 235-242. https://doi.org/10.1016/j.egypro.2017.03.133
Angular velocity of a combined unloaded Savonius turbine with a vortex inducing chamber: a CFD approach
Al-Faruk, Abdullah and Sharifian, Ahmad. 2012. "Angular velocity of a combined unloaded Savonius turbine with a vortex inducing chamber: a CFD approach." 2012 Southern Regional Engineering Conference (SREC 2012). Toowoomba, Australia 01 Sep 2012 Canberra, Australia.
Reducing the amount of required propane refrigerant in the condenser of a commercial air-conditioner by increasing the inlet temperature
Tangalajuk Siang, Jeri and Sharifian, Ahmad. 2012. "Reducing the amount of required propane refrigerant in the condenser of a commercial air-conditioner by increasing the inlet temperature." 2012 Southern Regional Engineering Conference (SREC 2012). Toowoomba, Australia 01 Sep 2012 Canberra, Australia.
Potentials of metal mesh to contain bushfires
Hashempour, Javad and Sharifian, Ahmad. 2012. "Potentials of metal mesh to contain bushfires." 2012 Southern Regional Engineering Conference (SREC 2012). Toowoomba, Australia 01 Sep 2012 Canberra, Australia.
Influence of blade overlap and blade angle on the aerodynamic coefficients in vertical axis swirling type Savonius wind turbine
Al-Faruk, A. and Sharifian, A.. 2014. "Influence of blade overlap and blade angle on the aerodynamic coefficients in vertical axis swirling type Savonius wind turbine." Chowdhury, Harun and Alam, Firoz (ed.) 19th Australasian Fluid Mechanics Conference (AFMC 2014). Melbourne, Australia 08 - 11 Dec 2014 Australia.
Experimental measurement of direct thermal radiation through single-layer square-cell plain woven screens
Hashempour, Javad, Sharifian, Ahmad and Billingsley, John. 2016. "Experimental measurement of direct thermal radiation through single-layer square-cell plain woven screens." Journal of Heat Transfer: Transactions of the ASME. 138 (1), pp. 012701-1-012701-6. https://doi.org/10.1115/1.4031110
Numerical simulation of three dimensional turbulent flow structure and heat transfer in ribbed-straight, divergent and convergent ducts
Etminan, Amin, Harun, Zambri and Sharifian, Ahmad. 2016. "Numerical simulation of three dimensional turbulent flow structure and heat transfer in ribbed-straight, divergent and convergent ducts." International Journal of Mechanics. 10, pp. 362-367.
Geometrical optimization of a swirling Savonius wind turbine using an open jet wind tunnel
Al-Faruk, Abdullah and Sharifian, Ahmad. 2016. "Geometrical optimization of a swirling Savonius wind turbine using an open jet wind tunnel." Alexandria Engineering Journal. 55 (3), pp. 2055-2064. https://doi.org/10.1016/j.aej.2016.07.005
A novel ember shower simulator for assessing performance of low porosity screens at high wind speeds against firebrand attacks
Sharifian, Ahmad and Hashempour, Javad. 2016. "A novel ember shower simulator for assessing performance of low porosity screens at high wind speeds against firebrand attacks." Journal of Fire Sciences. 34 (4), pp. 335-355. https://doi.org/10.1177/0734904116655175
Power and velocity control of wind turbines by adaptive fuzzy controller during full load operation
Habibi, H., Koma, A. Yousefi and Sharifian, A.. 2016. "Power and velocity control of wind turbines by adaptive fuzzy controller during full load operation." Iranian Journal of Fuzzy Systems. 13 (3), pp. 35-48.
Effects of flow parameters on the performance of vertical axis swirling type Savonius wind turbine
Al-Faruk, A. and Sharifian, A. S.. 2015. "Effects of flow parameters on the performance of vertical axis swirling type Savonius wind turbine." International Journal of Automotive and Mechanical Engineering. 12 (July-December), pp. 2929-2943. https://doi.org/10.15282/ijame.12.2015.10.0245
Impacts of room temperature on the performance of a portable propane air conditioner
Sharifian, Ahmad and Tangalajuk Siang, Jeri. 2015. "Impacts of room temperature on the performance of a portable propane air conditioner." International Journal of Air-Conditioning and Refrigeration. 23 (2), pp. 1550015-1. https://doi.org/10.1142/S2010132515500157
Bushfire traps: the application of mesh screens to contain bushfires
Hashempour, Javad, Sharifian, Ahmad and Billingsley, John. 2015. "Bushfire traps: the application of mesh screens to contain bushfires." 2015 Fire Protection Australia Conference (FPA2015). Gold coast, Australia 25 - 26 Mar 2015
The effect of the width and number of gaps on the characteristics of swirl flow induced naturally inside split channel using hot air inlet
Al Atresh, Safia R., Sharifian, Ahmad S. and Wandel, Andrew P.. 2014. "The effect of the width and number of gaps on the characteristics of swirl flow induced naturally inside split channel using hot air inlet." International Journal of Materials, Mechanics and Manufacturing. 2 (4), pp. 339-344. https://doi.org/10.7763/IJMMM.2014.V2.153
Reducing the mass of the refrigerant in the capillary tube of a propane air-conditioner
Tangalajuk Siang, Jeri and Sharifian, Ahmad. 2013. "Reducing the mass of the refrigerant in the capillary tube of a propane air-conditioner." Ngoc Hai, Duong (ed.) 14th Asian Congress of Fluid Mechanics (14 ACFM). Hanoi, Vietnam 15 - 19 Oct 2013 Hanoi, Vietnam.
Optimizing the coupling of a firebrand generator to a horizontal wind tunnel
Hashempour, Javad and Sharifian, Ahmad. 2013. "Optimizing the coupling of a firebrand generator to a horizontal wind tunnel." Advanced Materials Research. 726-731, pp. 971-976. https://doi.org/10.4028/www.scientific.net/AMR.726-731.971
The effect of direction of low speed winds on the performance of a split chimney
Sharifian, Ahmad. 2012. "The effect of direction of low speed winds on the performance of a split chimney ." Bai, Yilong, Wang, Jinaxiang and Fang, Daining (ed.) 23rd International Congress of Theoretical and Applied Mechanics (ICTAM 2012). Beijing, China Beijing, China.
Optically addressed pressure sensors for transient gas dynamics: calibration of a preliminary design
Sharifian, S. A. and Buttsworth, D. R.. 2001. "Optically addressed pressure sensors for transient gas dynamics: calibration of a preliminary design." Dally, B. B. (ed.) 14th Australasian Fluid Mechanics Conference (AFMC 2001) . Adelaide, South Australia 09 - 14 Dec 2001 Adelaide, South Australia.
Reducing the mechanical hysteresis problem in optically-addressed diaphragm pressure sensors
Sharifian, S. A. and Buttsworth, D. R.. 2002. "Reducing the mechanical hysteresis problem in optically-addressed diaphragm pressure sensors." Tomasini, Enrico (ed.) SPIE 2002: Vibration Measurements by Laser Techniques: Advances and Applications. Ancona, Italy 18 - 21 Jun 2002 Washington, USA. https://doi.org/10.1117/12.468141
Numerical investigation of performance of a new type of savonius turbine
Al-Faruk, A., Sharifian, S. A. and Al-Atresh, S.. 2012. "Numerical investigation of performance of a new type of savonius turbine." Brandner, P. A and Pearce, B. W. (ed.) 18th Australasian Fluid Mechanics Conference (AFMC 2012). Launceston, Australia 03 - 07 Dec 2012 Australia.
Dilution of toxic gases and smoke emissions from residential chimneys using a low-cost cap
Sharifian, Ahmad and Hashempour, Javad. 2012. "Dilution of toxic gases and smoke emissions from residential chimneys using a low-cost cap." Brandner, P. A. and Pearce, B. W. (ed.) 18th Australasian Fluid Mechanics Conference (AFMC 2012). Launceston, Australia 03 - 07 Dec 2012 Melbourne, Australia.
Numerical computation of pressure drop across an off supplementary firing burner in heat recovery steam generator
Karimkashi, Shervin, Kermani, Mohammad J., Sharifian, Ahmad and Hashempour, Javad. 2012. "Numerical computation of pressure drop across an off supplementary firing burner in heat recovery steam generator." Brandner, P. A. and Pearce, B. W. (ed.) 18th Australasian Fluid Mechanics Conference (AFMC 2012). Launceston, Australia 03 - 07 Dec 2012 Australia.
Using a split chimney for dilution of exhaust pollution: a CFD approach
Al-Atresh, Safia, Sharifian, Ahmad and Kueger, Bradley. 2012. "Using a split chimney for dilution of exhaust pollution: a CFD approach." Ni, Zeng (ed.) 2012 International Conference on Fluid Dynamics and Thermodynamics Technologies (FDTT 2012). Singapore 17 - 18 Mar 2012 Singapore.
The effect of wind speed on the performance of a split chimney
Sharifian, Ahmad. 2012. "The effect of wind speed on the performance of a split chimney." Ni, Zeng (ed.) 2012 International Conference on Fluid Dynamics and Thermodynamics Technologies (FDTT 2012). Singapore 17 - 18 Mar 2012 Singapore.
The effect of inlet velocity and temperature on the strength of the swirling induced by a split channel: a CFD approach
Al-Atresh, R. S., Sharifian, S. A. and Al-Faruk, A.. 2012. "The effect of inlet velocity and temperature on the strength of the swirling induced by a split channel: a CFD approach." Brandner, P. A. and Pearce, B. W. (ed.) 18th Australasian Fluid Mechanics Conference (AFMC 2012). Launceston, Australia 03 - 07 Dec 2012 Australia.
Initial development of ice crystal ice accretion at conditions related to turbofan operation at high Altitude
Saleh, Khalid Hashim. 2013. Initial development of ice crystal ice accretion at conditions related to turbofan operation at high Altitude. PhD Thesis Doctor of Philosophy. University of Southern Queensland.
Engine performance and emission analysis of LPG-SI engine with the aid of artificial neural network
Yusaf, T., Saleh, K. H. and Said, M. A.. 2011. "Engine performance and emission analysis of LPG-SI engine with the aid of artificial neural network." Proceedings of the Institution of Mechanical Engineers Part A: Journal of Power and Energy. 225 (5), pp. 591-600. https://doi.org/10.1177/0957650911402546
Deflection of a pretensioned circular diaphragm due to aerothermal loading
Sharifian, S. Ahmad and Buttsworth, David R.. 2000. "Deflection of a pretensioned circular diaphragm due to aerothermal loading." May, R. L., Grundy, I. H. and Fitz-Gerald, G. F. (ed.) 4th Biennial Engineering Mathematics and Applications Conference : Mathematics and Engineering: An Innovative Partnership (EMAC 2000). Melbourne, Australia 10 - 13 Sep 2000 Melbourne, Australia.
CNG-diesel engine performance and exhaust emission analysis with the aid of artificial neural network
Yusaf, Talal F., Buttsworth, D. R., Saleh, Khalid H. and Yousif, B. F.. 2010. "CNG-diesel engine performance and exhaust emission analysis with the aid of artificial neural network." Applied Energy. 87 (5), pp. 1661-1669. https://doi.org/10.1016/j.apenergy.2009.10.009
Development of a small icing wind tunnel for simulating the initial stages of solid phase ice accretion
Saleh, Khalid, Buttsworth, David and Yusaf, Talal. 2010. "Development of a small icing wind tunnel for simulating the initial stages of solid phase ice accretion." Mallinson, G. D. and Cater, J. E. (ed.) 17th Australasian Fluid Mechanics Conference (AFMC 2010). Auckland, New Zealand 05 - 09 Dec 2010 Auckland, New Zealand.
An experimental study of wind force acting on commercial double-layered square metal screens at different spacing
Sharifian, Ahmad. 2010. "An experimental study of wind force acting on commercial double-layered square metal screens at different spacing." Mallinson, G. D. and Cater, J. E. (ed.) 17th Australasian Fluid Mechanics Conference (AFMC 2010). Auckland, New Zealand 05 - 09 Dec 2010 Auckland, New Zealand.
Double-layered metal mesh screens to contain or exclude thermal radiation from bush fires
Sharifian, Ahmad and Buttsworth, David. 2010. "Double-layered metal mesh screens to contain or exclude thermal radiation from bush fires." Journal of Fire Protection Engineering. 20 (4), pp. 291-311. https://doi.org/10.1177/1042391510367366
Discrete particle simulation for the initial stages of ice accretion in aircraft engines: initial model development
Buttsworth, David, Saleh, Khalid and Yusaf, Talal. 2009. "Discrete particle simulation for the initial stages of ice accretion in aircraft engines: initial model development." Abidin, Izham Bin Datuk Zainal (ed.) 3rd International Conference on Energy and Environment (ICEE 2009): Advancement Towards Global Sustainability. Malacca, Malaysia 07 - 08 Dec 2009 Piscataway, NJ. United States. https://doi.org/10.1109/ICEENVIRON.2009.5398655
Direct radiation from wildfires through square woven screens
Sharifian, Ahmad and Buttsworth, David R.. 2009. "Direct radiation from wildfires through square woven screens." ASME 2008 Summer Heat Transfer Conference (HT 2008). Jacksonville, United States 10 - 14 Aug 2008 Jacksonville, FL. United States. https://doi.org/10.1115/HT2008-56270
Thermal effects on fibre optic pressure sensor during free piston compression experiments
Sharifian, S. A. and Buttsworth, D. R.. 2005. "Thermal effects on fibre optic pressure sensor during free piston compression experiments." 8th International Symposium on Fluid Control, Measurement and Visualization (8th FLUCOME). Chengdu, China 22 - 25 Aug 2005
Evaluation of glued-diaphragm fibre optic pressure sensors in a shock tube
Sharifian, S. Ahmad and Buttsworth, David R.. 2007. "Evaluation of glued-diaphragm fibre optic pressure sensors in a shock tube." Shock Waves: an international journal on shock waves, detonations and explosions. 16 (3), pp. 189-197. https://doi.org/10.1007/s00193-006-0062-x
Modelling the static thermal sensitivity of diaphragm-based fibre optic pressure sensors
Sharifian, Ahmad, Watson, Stuart, Buttsworth, David R. and Barton, James. 2007. "Modelling the static thermal sensitivity of diaphragm-based fibre optic pressure sensors." Chandratilleke, Tilak T. and Narayanaswamy, Ramesh (ed.) 8th Australasian Heat and Mass Transfer Conference. Perth, Australia 26 - 29 Jul 2005 Redding, CT, USA.
Minimum safe standoff distance for protection from bushfire radiation by commercial metal meshes
Sharifian, Ahmad and Buttsworth, David R.. 2007. "Minimum safe standoff distance for protection from bushfire radiation by commercial metal meshes." Chandratilleke, Tilak T. and Narayanaswamy, Ramesh (ed.) 8th Australasian Heat and Mass Transfer Conference. Perth, Australia 26 - 29 Jul 2005 Redding, CT, USA.
Computational simulation of the wind-force on metal meshes
Sharifian, Ahmad and Buttsworth, David R.. 2007. "Computational simulation of the wind-force on metal meshes." Jacobs, Peter A., McIntyre, Tim, Cleary, Matthew J., Buttsworth, David R., Mee, David, Clements, Rose, Morgan, Richard and Lemckert, Charles (ed.) 16th Australasian Fluid Mechanics Conference (AFMC 2007). Gold Coast, Australia 03 - 07 Dec 2007 Brisbane, Australia.
Fibre optic pressure transducers for disturbance measurements in transient aerodynamic research facilities
Sharifian, S. Ahmad. 2003. Fibre optic pressure transducers for disturbance measurements in transient aerodynamic research facilities . PhD Thesis Doctor of Philosophy. University of Southern Queensland.