Air Conditioning and Refrigeration Systems - Hot Gas Bypass
On many air conditioning and refrigeration systems it is desirable to limit the minimum evaporating pres-sure during periods of low load either to prevent coilicing or to avoid...
Alternative Energy - Harvesting Green Power
Business Week - 11-13-2006 –Farmers are sowing the seeds of an alternative energy future. But how much of the country can we fuel on corn? By Adrienne Carter
Adapting pump capacities to process demand It is often necessary to adapt the pump capacity to a temporary or permanent change ...
Centrifugal Pumps - design, dimensions, & standards
Centrifugal pumps design and dimensions standards Sponsored Links Standards of design and dimensional specifications are necessary to bring unity to centrifugal pumps. Standards...
Centrifugal Pumps - Volute Pump
A centrifugal pump converts the input power to kinetic energy in the liquid by accelerating the liquid by a revolving device - an impeller. The most common type is the volute...
Chiller Systems - Flooded Condenser Valves
The attached articles provided detailed information on flooded condenser valves used in Legacy sytems designed for low ambient conditions. These articles provide information on...
Copper Piping Water Velocity Limits
The water velocity in copper pipes should be kept within certain limits to avoid erosion, corrosion and excessive noise generation.
Electrical Definitions, Terms, and Formulas
• Volts - The units of electrical potential or motive force. The force is required to send one ampere of current through one ohm of resistance. • Ohms - The units ...
Global Warming Worries
Business Week - 10-30-2006 - Global Warming: Here come the Lawyers. The next wave of litigation after Tobacco, Guns and Junk Food. Why Detroit, Big Oil and untilies should worry....
Heat loss from 1/2" to 4" copper pipes or tubes at various temperature differences between the pipe and the surrounding ...
NEMA - IEC Enclosure Standards
NEMA enclosure classifications are developed by NEMA and used in the U.S./American market. Ingress Protection -IP - ratings are developed by the European Committee for Electro...
Power Generation - First Law of Thermodynamics
The First Law of Thermodynamics simply states that energy can be neither created nor destroyed (conservation of energy). Thus power generation processes and energy sources...
Pumps and Control Valves Cavitation
Chiller pump cavitation can be a serious problem in close loop systems. This article provides an in depth description of cavitation and how harmful it is to pumps and control...
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