room coefficient

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• Coefficient of performance — The coefficient of performance or COP (sometimes CP), of a heat pump is the ratio of the change in heat at the output (the heat reservoir of interest) to the supplied work. Contents 1 Equation 2 Derivation 3 Improving COP 4 …   Wikipedia

• Binomial coefficient — The binomial coefficients can be arranged to form Pascal s triangle. In mathematics, binomial coefficients are a family of positive integers that occur as coefficients in the binomial theorem. They are indexed by two nonnegative integers; the… …   Wikipedia

• Flow coefficient — The flow coefficient of a device is a relative measure of its efficiency at allowing fluid flow. It describes the relationship between the pressure drop across an orifice, valve or other assembly and the corresponding flow rate.Coefficent of… …   Wikipedia

• Noise reduction coefficient — The noise reduction coefficient (commonly abbreviated NRC) is a scalar representation of the amount of sound energy absorbed upon striking a particular surface. An NRC of 0 indicates perfect reflection; an NRC of 1 indicates perfect absorption.… …   Wikipedia

• Reverberation room — A reverberation room or reverberation chamber is an acoustically designed room for uniform distribution of acoustic energy. It is used to determine the sound power of a source and also to find the absorption coefficient of a material.ee also*… …   Wikipedia

• utilization coefficient — noun : the fraction of the total luminous flux from the lighting equipment of a room or office that falls upon areas (as desks or tables) where it is actually utilized …   Useful english dictionary

• Crystal oscillator — A miniature 4 MHz quartz crystal enclosed in a hermetically sealed HC 49/US package, used as the resonator in a crystal oscillator. A crystal oscillator is an electronic oscillator circuit that uses the mechanical resonance of a vibrating crystal …   Wikipedia

• List of The Shield characters — The following is a list of character summaries from the FX Networks television series, The Shield. Contents 1 Main characters 2 Supporting characters 2.1 …   Wikipedia

• Chernobyl disaster — This article is about the 1986 nuclear plant accident in Ukraine. For other uses, see Chernobyl (disambiguation). Chernobyl disaster …   Wikipedia

• Joule–Thomson effect — In physics, the Joule–Thomson effect or Joule–Kelvin effect describes the temperature change of a gas or liquid when it is forced through a valve or porous plug while kept insulated so that no heat is exchanged with the environment.cite book… …   Wikipedia

• List of characters from The Shield — The following is a list of character summaries from the FX Networks television series, The Shield . Main characters* Michael Chiklis Vic Mackey (2002–2008) * Glenn Close Monica Rawling (2005) * Catherine Dent Danielle Danny Sofer (2002–2008) *… …   Wikipedia