Building Services Engineering

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a discipline that strives to provide a comfortable and safe indoor environment for the occupants 
key elements involved are air, fire, water and electricity, among other things 

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Building Services

Cavitation and Valve Selection

Cavitation and Valve Selection Considerations    By TK NG           Valves are generally used for flow or pressure control of fluid.  In Fig 1, the amount of fluid flows through the valve can be controlled by varying the plug to seat clearance (i.e. the flow passage) at the valve port. 

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Building Services

Insulation Practices for Refrigerant Pipes

Insulation Practices for Gas and Liquid Refrigerant Pipes of Split Type Air Conditioners    By TK NG   CorrigendumTypos found in the earlier version of this article have been corrected in dark green.         Do you know the gas and liquid refrigerant pipes between the indoor and outdoor

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Building Services

Separating Noise Sources

Separating A Noise Source from the Background Noise    By TK NG           When measuring the noise levels at different octave bands of an operating machine such as air-cooled chiller on site, what you can get are the combined sound pressure levels of the machine and the surrounding background.  To

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