Conference papers (Engg)

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    Conservation of energy in fish drying
    (Society of Fisheries Technologists (India), 2010) Joshi, P.N.
    The total fish production in India is 6.4 million t of which about 3,4 million t is from inland and 3.0 million t from marine sources (Ayyappan and Diwan, 2007). Fish are an extremely perishable foodstuff. Spoilage occurs as the result of the action of enzymes (autolysis) and bacteria present in the fish, and also chemical oxidation of the fat which causes rancidity.
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    Studies on the insect infestation of cured fish and their control
    (Society of Fisheries Technologists (India), 2002) Bindu, J.; Joseph, K.G.; Nasser, M.
    Insect infestation of dried fish is a major problem in tropical areas. Drying of fish on the beach makes it more susceptible to insect infestation. Dipterans belonging to the family Calliphoridae, Sarcophagidae and Muscidae and beetles of the family Dermestidae and Cleridae are the major insect pests. The Dipterans infest the fish during the drying process while the beetles during storage. Studies on the behaviour of these pests are discussed and control measures based on the ethological studies are recommended.
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    Solar processing monitor
    (Society of Fisheries Technologists (India), 1987) Sivadas, T.K.; Ramakrishnan, K.; Vijayabharathi, K.
    An electronic equipment developed for monitoring the parameters relevant to solar drying of fish namely, water evaporation, air temperature, weight loss and moisture is described briefly in the paper. The special features ad advantages of the equipment are remote operated sensors enabling centralised monitoring, their respective total values over long duration, recording facility and flexibility to accommodate any number of the parameters as required for specific programmes.
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    Safety in refrigeration plants and cold storages
    (Society of Fisheries Technologists (India), 2002) Joshi, P.N.; Manoj, V.S.; Maheswaran, K.
    Refrigerants used in refrigerating plants become hazardous only in the event of leakage or of bursting or explosion as a result of internal over pressure. Problems resulting from mechanical failure of pressurised components or pipes, excessive temperatues, fire or explosion, corrosion, erosio and vibration are common causes of reduced component stregth, work hardening and metal fatigue. Although freon refrigerants are non-flammable, ammonia is preferred to freon for reasons of economy. Ammonia leaks in refrigeration systems are commo and amonia is flammable in the rage 15% to 28% by volume in air . With the advent of newer materials for construction and insulation, use of better methods of materials handling and increased emphasis on energy conservation, great care is going into the planning, designing and construction of cold storages. These new systems and materials, while improving the operating efficiency, also increase the problems of fire safety in cold storages.
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    Problems in mechanisation of low energy fishing craft for coastal waters
    (Society of Fisheries Technologists (India), 1991) Pillai, S.A.; Namboodiri, K.S
    Ther peper discribes the stages of development in mechanisation of traditional fishing craft and the problems connected with operational coast of these divices. Both imported outoboard motors using petrol kerosene engine and indigenously developed drive unit have been tried to machanise the traditional craft. The comparative merits and demerits of these types of drives are discused in the paper.