3 Feb/11 0
Accumulation of frost on evaporator coil acts as insulator. As its thickness increases effectiveness of coil drops. Cooling capacity decreases. Frost deposit is the result…
8 Feb/11 0
Frictionless Chillers
Conventional chiller technologies with centrifugal, screw or scroll compressors use mechanical type of bearings. These bearings are located on both end of rotor…
4 Feb/11 0
Screw compressors are used in middle capacity chillers, mostly starting from 70 ton to 300 ton. These are positive displacement machines. Refrigerant is compressed between…
1 Feb/11 0
Conventional air conditioning units use cooling coil both for temperature and humidity controls. When this coil lowers temperature of air to bring it to comfortable…
1 Dec/10 8
Bad duct design can increase fan energy. Circulation of air in ducted system is dependent on static pressure. High static pressure reduces volume of air…
28 Feb/11 0
Pipes provide channels for transfer of thermal fluids from chilled/hot water generating equipment to air side equipments. Piping runs are installed vertically in service shafts.…
21 Feb/11 1
Coil is the area in an Air Handling Unit (AHU) where heat transfer takes place. Construction and design of a coil determine heat transfer capacity.…
22 Feb/11 0
Circulation of air within conditioned space consumes substantial fan energy, both for air handling unit system or a fan coil unit system. This is required…
