Indian Society for Heat and Mass Transfer

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Proceedings of the 25th National and 3rd International ISHMT-ASTFE Heat and Mass Transfer Conference (IHMTC-2019)

ISSN: 2688-7231 (Online)

Thermal and economic analysis of an on-board compensatory refrigeration system for small fishing boats

Santosh Kumar Saini
Department of Mechanical Engineering, BITS Pilani, 333031, India

Mani Sankar Dasgupta
Birla Institute of Technology & Science, Pilani, Rajasthan, 333031, India

Kristina N. Widell
SINTEF Ocean, NO-7465, Trondheim, Norway

Souvik Bhattacharyya
Department of Mechanical Engineering, University of Canterbury Private Bag 4800, Christchurch, New Zealand; Department of Mechanical Engineering, BITS Pilani, 333031, India

DOI: 10.1615/IHMTC-2019.1690
pages 1007-1012


In this work, the feasibility of a novel low capacity on-board compensatory refrigeration system is proposed for small motorized boats that are used by fisherman in western coast of India for fishing. The proposed refrigeration unit will counteract the heat ingress into the iced compartments in the boat and ensure low temperature for preservation of fish quality for the average duration of a fishing trip of 10 days. A heat transfer model of the storage compartment is developed considering parameters such as ambient condition, compartment openings, product removal/loading, container wall insulation, water drainage etc. Required refrigeration load for the proposed retrofitted compensatory refrigeration system is estimated. Feasibility of a vapour absorption refrigeration (VAR) system powered by exhaust heat from the diesel engine is analysed. Market price of such a system is also estimated and payback period is computed.

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