Development of a dehumidified air dryer

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dc.contributor.advisorGarg, M.K.
dc.contributor.authorPandhari, Sandeep Chavan
dc.date.accessioned2016-11-08T13:54:28Z
dc.date.available2016-11-08T13:54:28Z
dc.date.issued2011
dc.description.abstractThe present investigation entitled “Development of a dehumidified air dryer” was carried out with the objectives to development of a dehumidified air dryer and to test the performance of the dehumidified air dryer for drying of cauliflower. The development of dryer was based to maintain the low relative humidity in the drying chamber at the range of 35-450C temperature. The drying performances of heat pump dryer were compared with tray dryer. The temperature and relative humidity were recorded inside and outside of the dryer. The relative humidity were observed lower than ambient air in heat pump dryer as compared to relative humidity of the tray dryer. The rehydration ratio, nutritional characteristics, reconstitutional quality and their physic-chemical parameters of the dehydrated cauliflower were better in the heat pump dryer as compared to tray dryer. Drying in heat pump dryer at 400C took less time compared to tray dryer at 500C and 550C. The energy consumption of heat pump dryer for 24 hours of operation was found less (6, 7.5 kWh) than tray dryer (7.25, 7.8kWh) and cost of drying was found to be more in tray dryer at 50 and 550C as compared to 400C in heat pump dryer. All the analysis justifies that dehumidified air dryer did improve the quality of dried food. By using it, the products owned less browning colour, better texture, retention of nutrients and increased overall acceptability, So the dehumidified air dryer is best alternative in food industries for drying fruits and vegetables.en_US
dc.identifier.urihttp://krishikosh.egranth.ac.in/handle/1/84443
dc.language.isoenen_US
dc.publisherCCSHAUen_US
dc.subAgricultural Processing and Food Engineering
dc.subjectDrying, Dryers, Cauliflowers, Productivity, Biological phenomena, Sampling, Fruits, Hydration, Vitamins, Irrigationen_US
dc.these.typeM.Tech
dc.titleDevelopment of a dehumidified air dryeren_US
dc.typeThesisen_US
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