Work

Experimental Study of a Light Commercial Refrigeration System Operating Under Frosting Conditions

Year: 2011

Type: conference-paper

Abstract: This paper reports the results of investigations into the frosting process of a serve-over counter cabinet.The refrigeration system was instrumented with high accuracy transducers and tested in an environmental test chamber at controlled conditions of ambient temperature and relative humidity.Measurements of the refrigerant mass flow rate, low and high side pressures, coil surface temperature and the state point of the air upstream and downstream of the evaporator were made to assess the system performance.In addition, mass and energy balances were applied on the evaporator in order to determine the cooling capacity and the accumulated mass of frost over time.The results show the influence of ambient conditions on the system performance and how frost formation affects the measured parameters.The cooling capacity and the coil temperature were correlated, indicating the potential application of the latter variable as a defrost control parameter.

Source: Research Open (London South Bank University)

Authors: Abas Hadawey, S.A. Tassou, Diogo L. da Silva

Language: English

Topic: Refrigeration and Air Conditioning Technologies

Subfield: Mechanical Engineering

Field: Engineering

Domain: Physical Sciences

Open Access status: green

Funders: Department for Environment, Food and Rural Affairs, UK Government, Conselho Nacional de Desenvolvimento Científico e Tecnológico

OpenAlex ID: W2944841032

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