dc.contributor.author | PERSOONS, TIM | en |
dc.contributor.author | MURRAY, DARINA | en |
dc.date.accessioned | 2015-01-05T16:21:22Z | |
dc.date.available | 2015-01-05T16:21:22Z | |
dc.date.issued | 2013 | en |
dc.date.submitted | 2013 | en |
dc.identifier.citation | Alimohammadi, S., Persoons, T., Murray, D.B., (...), Farhanieh, B., Koehler, J., A validated numerical-experimental design methodology for a movable supersonic ejector compressor for waste-heat recovery, Journal of Thermal Science and Engineering Applications, 6, 2, 2013, 021001- | en |
dc.identifier.other | Y | en |
dc.identifier.uri | http://hdl.handle.net/2262/72882 | |
dc.description | PUBLISHED | en |
dc.description.abstract | The aim of this paper is to develop the technical
knowledge, especially the optimum geometries, for the
design and manufacturing of a supersonic gas-gas ejecto
r for a waste heat driven vehicle cooling system.
Although several studies have been performed to inves
tigate the effects of geometrical configurations of
gas-gas ejectors, a progressive design methodology of
an ejector compressor for application to a vehicle
cooling system has not yet been descr
ibed. First, an analytical model for calculation of the ejector optimum
geometry for a wide range of opera
ting conditions is devel
oped, using R134a as the working fluid with a
rated cooling capacity of 2.5 kW. The
maximum values of entrainment ratio (
߱
) have been estimated by
correlation of the main parameters in a non-dimens
ional form. The optimum values of nozzle throat
diameter (
݀
௧
) and mixing chamber diameter (
݀
) thus obtained are used as a starting point for the CFD
optimization covering a wide range of geometrical
configurations. To assess the effect of various
dimensional quantities, an optimization technique has
been proposed for calculation of the most efficient
geometry of the target ejector for manufacturing. Using a vehicle cooling system as a test case, the final
optimized dimensions are reported and discussed. An e
xperimental validation confirms the CFD results and
the ejector performance with a normalized deviati
on of 5% between observed and simulated results,
demonstrating that the methodology is a valid ejector
design tool for a wide range of applications. | en |
dc.format.extent | 021001 | en |
dc.language.iso | en | en |
dc.relation.ispartofseries | Journal of Thermal Science and Engineering Applications | en |
dc.relation.ispartofseries | 6 | en |
dc.relation.ispartofseries | 2 | en |
dc.rights | Y | en |
dc.subject | Waste Heat Recuperation | en |
dc.subject | Supersonic Flow | en |
dc.subject | Design Methodology | en |
dc.subject | Experimental Va lidation | en |
dc.subject | CFD | en |
dc.subject | Vehicle Cooling | en |
dc.subject | Ejector | en |
dc.title | A validated numerical-experimental design methodology for a movable supersonic ejector compressor for waste-heat recovery | en |
dc.type | Journal Article | en |
dc.type.supercollection | scholarly_publications | en |
dc.type.supercollection | refereed_publications | en |
dc.identifier.peoplefinderurl | http://people.tcd.ie/persoont | en |
dc.identifier.peoplefinderurl | http://people.tcd.ie/dmurray | en |
dc.identifier.rssinternalid | 95023 | en |
dc.identifier.doi | http://dx.doi.org/10.1115/1.4025090 | en |
dc.rights.ecaccessrights | openAccess | |
dc.subject.TCDTheme | Smart & Sustainable Planet | en |
dc.subject.TCDTheme | Telecommunications | en |