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Judul:	Laju Aliran Massa Air Pendingin Yang Diperlukan Dan Laju Perpindahan Panas Dari Refrigeran Ke Air Pendingin
Penulis:	Aloysius Eddy Liemena \|\| email: arika@yahoo.com
Jurnal:	Arika Vol. 5 no. 2 - hal. 171-176 Tahun 2011 [ Teknik ]
Keywords:	Condenser, refrigerant -12, the cooling water
Abstract:	The inner tube made a couple of turns inside the shell to increase the heat transfer area, thus the rate of heat transfer. The first, the entire heat exchanger was selected as control volume, Q became zero, since the boundary for this case lay just beneath the insulation and little or no heat crossed the boundary, The second, one of the fluids was selected as the control volume, then heat would crossed this boundary as it flew from one fluid to other and Q would not be zero. Refrigerant -12 was to be cooled by water in a condenser. The refrigerant entered the condenser with a mass flew rate of 5,5 kg/min at 0,9 MPa and variety of temperature 600 - 80 0C and leaved at variety 250 - 45 0C. The cooling water entered the condenser at 295 kPa and variety of temperature 50 - 25 0C and leaved at variety 150 - 35 0 C. The mass flew rate of the cooling water requireded was variety 20.9 - 20.31 kg/min ( decreased ). The heat transfer rate from the refrigerant to water was variety of 878 - 848,75 kJ/min ( decreased ).
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