Performance assessment of a refrigerator with a hot-wall condenser under O-to-D grooved geometrical conditions
Niyaj SHIKALGAR, Avinash DESHMUKH, Chandrakishor CHOUDHARI
Abstract. The heat transfer abilities of hot-wall condensers applied to domestic refrigerators are addressed in the present research. This investigation addresses the effect of a variation of the contact area between the pipe and back plate of a condenser, which was not examined previously as a design parameter for the heat transfer analysis of a condenser. The design parameters were incorporated into the manufacturing of the hot wall condenser samples for testing. Furthermore, to compare the results of the experimental discoveries regarding thermal effects, a simulation model was developed. Temperature profiles and heat transfer coefficients were measured along the condensers. AS/NZS 4474-1997 is used to examine the household refrigerator’s performance. The compressor’s energy consumption, pull-down time, and COP at 28°C ambient temperature using traditional methods are computed by employing a condenser under various operational circumstances. The findings provided significant insight into how different design elements impacted the condenser’s heat transfer rate. More precisely, increasing the surface area of the condenser pipe enhanced the heat transfer rate by an average of 9.31%. It was demonstrated that keeping the pipe pitch at 40 mm had a major influence on the heat transfer rates. More specifically, switching from an O-to-D pipe layout can increase the overall heat transfer rate by as much as 4%, making it a novel output.
Keywords
Refrigerator, Hot-Wall Condenser, COP, Analysis, Energy
Published online 3/1/2025, 8 pages
Copyright © 2025 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA
Citation: Niyaj SHIKALGAR, Avinash DESHMUKH, Chandrakishor CHOUDHARI, Performance assessment of a refrigerator with a hot-wall condenser under O-to-D grooved geometrical conditions, Materials Research Proceedings, Vol. 49, pp 104-111, 2025
DOI: https://doi.org/10.21741/9781644903438-11
The article was published as article 11 of the book Mechanical Engineering for Sustainable Development
Content from this work may be used under the terms of the Creative Commons Attribution 3.0 license. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
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