Investigation on Effect of Some Operating Conditions on Flow and Heat Transfer of Supercritical Co2 In Helical Coiled Tubes Via Multilevel Factorial Methodology

In order to optimize the thermal-hydraulic performance of supercritical carbon dioxide (scCO2) flowing through helically coiled tubes, the main and interaction effects of two operating parameters such as inlet pressure, and inlet mass flow rate on the Nusselt number and friction factor was investiga...

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Main Authors:	D., Devandran, A. N., Oumer, N. T., Rao, F., Basrawi, Hassan, Ibrahim
Format:	Article
Language:	English
Published:	UniKL 2017
Subjects:	TJ Mechanical engineering and machinery
Online Access:	http://umpir.ump.edu.my/id/eprint/20236/ http://umpir.ump.edu.my/id/eprint/20236/ http://umpir.ump.edu.my/id/eprint/20236/1/fkm-2017-oumer-%20Investigation%20on%20Effect%20of%20Some%20Operating%20Conditions%20on%20Flow%20and%20Heat%20Transfer.pdf

id	ump-20236
recordtype	eprints
spelling	ump-202362018-01-22T02:46:09Z http://umpir.ump.edu.my/id/eprint/20236/ Investigation on Effect of Some Operating Conditions on Flow and Heat Transfer of Supercritical Co2 In Helical Coiled Tubes Via Multilevel Factorial Methodology D., Devandran A. N., Oumer N. T., Rao F., Basrawi Hassan, Ibrahim TJ Mechanical engineering and machinery In order to optimize the thermal-hydraulic performance of supercritical carbon dioxide (scCO2) flowing through helically coiled tubes, the main and interaction effects of two operating parameters such as inlet pressure, and inlet mass flow rate on the Nusselt number and friction factor was investigated by applying a multilevel factorial design (MFD) analysis. The developed model is intended to analyze the friction factor (f) and Nusselt number (Nu) of heating process using scCO2 as a working fluid using two-factor and three-level MFD method. Three different inlet pressures (8.00 MPa, 9.03 MPa and 10.05 MPa) with three different inlet mass fluxes (0.0131 m3/s, 0.0151 m3/s and 0.0167 m3/s) at constant inlet temperature of 27 °C are considered. It was observed from the simulation results that inlet pressure has no significant effect on the Nusselt number while varying the mass flow rate affected the Nu significantly. On the other hand, increments of both inlet pressure and mass flux have decreased the friction factor. The MFD studies showed that for the Nusselt number, mass flow rate was found to be the most significant factor followed by the pressure in terms of importance. However, in case of friction factor, inlet pressure was the most significant factor. In general, it is proved from this study that a multilevel-factorial design was an effective method for determining the influences of inlet pressure and mass flow rate on the thermal-hydraulic performance of scCO2 heating process. UniKL 2017 Article PeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/20236/1/fkm-2017-oumer-%20Investigation%20on%20Effect%20of%20Some%20Operating%20Conditions%20on%20Flow%20and%20Heat%20Transfer.pdf D., Devandran and A. N., Oumer and N. T., Rao and F., Basrawi and Hassan, Ibrahim (2017) Investigation on Effect of Some Operating Conditions on Flow and Heat Transfer of Supercritical Co2 In Helical Coiled Tubes Via Multilevel Factorial Methodology. Malaysian Journal of Industrial Technology, 2 (2). pp. 23-30. ISSN 2462-2540 https://www.researchgate.net/profile/Fadhila_Muhammad/publication/322386205_ANALYSIS_OF_LEGAL_ASPECTS_AND_GOVERNMENT_POLICY_IN_THE_MANAGEMENT_OF_RIVER_WATER_QUALITYCASE_STUDY_CISADANE_RIVER_TANGERANG_CITY/links/5a5737c9aca272bb69648cd8/ANALYSIS-OF-LEGAL-A
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Malaysia Pahang
building	UMP Institutional Repository
collection	Online Access
language	English
topic	TJ Mechanical engineering and machinery
spellingShingle	TJ Mechanical engineering and machinery D., Devandran A. N., Oumer N. T., Rao F., Basrawi Hassan, Ibrahim Investigation on Effect of Some Operating Conditions on Flow and Heat Transfer of Supercritical Co2 In Helical Coiled Tubes Via Multilevel Factorial Methodology
description	In order to optimize the thermal-hydraulic performance of supercritical carbon dioxide (scCO2) flowing through helically coiled tubes, the main and interaction effects of two operating parameters such as inlet pressure, and inlet mass flow rate on the Nusselt number and friction factor was investigated by applying a multilevel factorial design (MFD) analysis. The developed model is intended to analyze the friction factor (f) and Nusselt number (Nu) of heating process using scCO2 as a working fluid using two-factor and three-level MFD method. Three different inlet pressures (8.00 MPa, 9.03 MPa and 10.05 MPa) with three different inlet mass fluxes (0.0131 m3/s, 0.0151 m3/s and 0.0167 m3/s) at constant inlet temperature of 27 °C are considered. It was observed from the simulation results that inlet pressure has no significant effect on the Nusselt number while varying the mass flow rate affected the Nu significantly. On the other hand, increments of both inlet pressure and mass flux have decreased the friction factor. The MFD studies showed that for the Nusselt number, mass flow rate was found to be the most significant factor followed by the pressure in terms of importance. However, in case of friction factor, inlet pressure was the most significant factor. In general, it is proved from this study that a multilevel-factorial design was an effective method for determining the influences of inlet pressure and mass flow rate on the thermal-hydraulic performance of scCO2 heating process.
format	Article
author	D., Devandran A. N., Oumer N. T., Rao F., Basrawi Hassan, Ibrahim
author_facet	D., Devandran A. N., Oumer N. T., Rao F., Basrawi Hassan, Ibrahim
author_sort	D., Devandran
title	Investigation on Effect of Some Operating Conditions on Flow and Heat Transfer of Supercritical Co2 In Helical Coiled Tubes Via Multilevel Factorial Methodology
title_short	Investigation on Effect of Some Operating Conditions on Flow and Heat Transfer of Supercritical Co2 In Helical Coiled Tubes Via Multilevel Factorial Methodology
title_full	Investigation on Effect of Some Operating Conditions on Flow and Heat Transfer of Supercritical Co2 In Helical Coiled Tubes Via Multilevel Factorial Methodology
title_fullStr	Investigation on Effect of Some Operating Conditions on Flow and Heat Transfer of Supercritical Co2 In Helical Coiled Tubes Via Multilevel Factorial Methodology
title_full_unstemmed	Investigation on Effect of Some Operating Conditions on Flow and Heat Transfer of Supercritical Co2 In Helical Coiled Tubes Via Multilevel Factorial Methodology
title_sort	investigation on effect of some operating conditions on flow and heat transfer of supercritical co2 in helical coiled tubes via multilevel factorial methodology
publisher	UniKL
publishDate	2017
url	http://umpir.ump.edu.my/id/eprint/20236/ http://umpir.ump.edu.my/id/eprint/20236/ http://umpir.ump.edu.my/id/eprint/20236/1/fkm-2017-oumer-%20Investigation%20on%20Effect%20of%20Some%20Operating%20Conditions%20on%20Flow%20and%20Heat%20Transfer.pdf
first_indexed	2023-09-18T22:29:03Z
last_indexed	2023-09-18T22:29:03Z
_version_	1777416162492022784

Investigation on Effect of Some Operating Conditions on Flow and Heat Transfer of Supercritical Co2 In Helical Coiled Tubes Via Multilevel Factorial Methodology

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