Research on the proposed squid drying system utilizing exhaust gas heat from the marine diesel engine on offshore fishing boat
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hieudieptrung@gmail.comKeywords:
boat engine, drying system, waste heat recovery, engine waste gas, waste heat on boardAbstract
By making basic surveys of the engine operating on BTh 96371 TS fishing boat, its actual waste heat parameters were identified. Then an onboard drying system using the engine waste heat has been studied and proposed. Thermal calculation of the scheme, as well as sizing of the waste heat recovery system, is done through the Matlab program. The results of these surveys show that the fishing boat engine with the capacity of 120 CV, during off-shore fishing days, usually operates with 70% load at night. Consequently, the engine waste gas flow is 144 kg/h with a temperature of about 4600C. The heat recovered from the exhaust gas can be able to supply successfully to the drying system of 25 kg squid in about 6 hours. Stability of the boat, as well as exhaust gas pressure loss, was checked and it shows that the effects on ship operation are negligible.
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