Application of Response Surface Methodology to optimization of a standard Ranque-Hilsch vortex tube refrigerator

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dc.contributor.authorBovand, Masoud
dc.contributor.authorValipour, Mohammad Sadegh
dc.contributor.authorDincer, Kevser
dc.contributor.authorEiamsa-ard, Smith
dc.date.accessioned2020-03-26T18:49:26Z
dc.date.available2020-03-26T18:49:26Z
dc.date.issued2014
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractIn the present study, an attempt is made to evaluate the effect of certain geometrical parameters on cooling performance of Ranque-Hilsch vortex tube (RHVT). Number of intakes in nozzle "n", cold orifice diameter "d(c)" and inlet pressure "P-i" are selected as influencing parameters at different levels n = 1, 2, 3; d(c) = 7, 9, 11 mm and P-i = 2, 2.5, 3 bar. The experiments are conducted based on three factors, two levels and central composite face centered design (CCF) with full factorial. The results are analyzed according to the principle of Response Surface Methodology (RSM). The equation to the response surface is developed using the design of experiments features of the commercial software package MINITAB-16. The goodness of fit of the regression model is examined using the Analysis of Variance (ANOVA) and the F-ratio test. The values of R-2 and R-2(adj.) are close to 100% which shows a very high correlation between the observed and predicted values. Results show sensitivity value of Delta T-c,T-max respect to n is negative (partial derivative Re/partial derivative A < 0). It means that increasing in n cause decreasing in Delta T-c,T-max and for low orifice diameter it has significant effect. The cold orifice diameter has more effect on Delta T-c,T-max. Its sensitivity value is 65.8% and 51.1% more than n and P-i, respectively. It is shown that for d*(c) < 0.5, (d*(c) = d(c)/D), increasing d*(c) causes the cold air temperature difference to increase and for d*(c) > 0.5, increasing d*(c) tends the cold air temperature difference to decrease. The results show that the optimum value of d*(c) the maximum cold air temperature difference and efficiency is d*(c) = 0.5. The RHVT was optimized using RSM based on CCD. The optimum values of n, d(c), and P-i were 2, 9.48 mm, and 3.2 bar respectively, where 46.44 degrees C (Delta T-c,T-max) could be obtained from the proposed model. (C) 2014 Elsevier Ltd.en_US
dc.identifier.doi10.1016/j.applthermaleng.2014.03.039en_US
dc.identifier.endpage553en_US
dc.identifier.issn1359-4311en_US
dc.identifier.issue01.02.2020en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage545en_US
dc.identifier.urihttps://dx.doi.org/10.1016/j.applthermaleng.2014.03.039
dc.identifier.urihttps://hdl.handle.net/20.500.12395/30610
dc.identifier.volume67en_US
dc.identifier.wosWOS:000337663100055en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherPERGAMON-ELSEVIER SCIENCE LTDen_US
dc.relation.ispartofAPPLIED THERMAL ENGINEERINGen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectANOVAen_US
dc.subjectResponse Surface Methodologyen_US
dc.subjectCentral composite designen_US
dc.subjectRanque-Hilsch vortex tubeen_US
dc.titleApplication of Response Surface Methodology to optimization of a standard Ranque-Hilsch vortex tube refrigeratoren_US
dc.typeArticleen_US

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