PERFORMANCE ANALYSIS OF R32/R600a BLEND WITH TiO2/MO NANOFLUID FOR EXISTING RESIDENTIAL AIR CONDITIONING SYSTEM

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dc.contributor.authorAhmed, M. I.
dc.contributor.authorAhamed, J. U.
dc.contributor.authorRazzaq, M. E. A.
dc.date.accessioned2026-07-06T20:58:01Z
dc.date.available2026-07-06T20:58:01Z
dc.date.issuedOct-2022
dc.description.abstractThis experimental study investigated the energy and exergy performance of R32/R600a (50:50 by mass)
dc.description.abstractwith TiO2 nanofluid for a residential air conditioning system which was originally designed for R22.
dc.description.abstractR32/R600a has been used along with 0.01%-0.02% volume concentration TiO2
dc.description.abstractnanolubricant. Cetyl
dc.description.abstracttrimethylammonium bromide (CTAB) has been used as surfactant. Pressures and temperatures of
dc.description.abstractdifferent components have been recorded for measuring energy and exergy parameters. RERPROP 7
dc.description.abstractsoftware has been used to determine the thermal properties of the refrigerants and the blend at different
dc.description.abstractconditions. The results show that the R32/R600a has lower value of COP compared to R22. Numerically
dc.description.abstractR32/R600a blend has 32%, blend with 0.01% nanofluid has 26% and blend with 0.02% nanofluid has
dc.description.abstract61% less COP than R22. However, refrigerating effect of the blend has increased by 10 percent compared
dc.description.abstractto R22 while the blend with 0.01% and 0.02% has 20% and 9% more refrigerating effect respectively.
dc.description.abstractAgain, the blend without nanofluid and along with nanofluid (0.01%, 0.02%) have 25%, 7% and 3%
dc.description.abstractmore power consumption than that of R22 respectively. Exergy analysis shows R32/R600a blend and the
dc.description.abstract0.01%, 0.02% nanofluid have higher irreversibility compared to R22. Overall, R32/R600a blend is not
dc.description.abstractsuitable for retrofitting in R22 system.
dc.identifier.otherhttp://103.99.128.19:8080/jspui/handle/123456789/358
dc.identifier.urihttp://103.99.128.19:8080/xmlui/handle/123456789/358
dc.publisherDepartment of Mechanical Engineering
dc.sourceCUET Digital Repository
dc.subjectNanofluid,
dc.subjectExergy,
dc.subjectAlternate Refrigerant,
dc.subjectCOP,
dc.subjectIrreversibility,
dc.subjectStability
dc.titlePERFORMANCE ANALYSIS OF R32/R600a BLEND WITH TiO2/MO NANOFLUID FOR EXISTING RESIDENTIAL AIR CONDITIONING SYSTEM

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