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Transfer coefficient information


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Heat transfer coefficient

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In thermodynamics, the heat transfer coefficient or film coefficient, or film effectiveness, is the proportionality constant between the heat flux and...

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Transfer coefficient

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Transfer coefficient may refer to: Heat transfer coefficient Mass transfer coefficient Charge transfer coefficient Transfer coefficients which take the...

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Mass transfer coefficient

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In engineering, the mass transfer coefficient is a diffusion rate constant that relates the mass transfer rate, mass transfer area, and concentration change...

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Charge transfer coefficient

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Charge transfer coefficient, and symmetry factor (symbols α and β, respectively) are two related parameters used in description of the kinetics of electrochemical...

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Heat transfer enhancement

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enhancing heat transfer. The enhancement can be achieved by increasing the surface area for convection or/and increasing the convection coefficient. For example...

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Heat transfer through fins

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the alternative way of doing so is by increasing either the heat transfer coefficient (which depends on the nature of materials being used and the conditions...

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Thermal hydraulics

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obtained from the heat transfer coefficient. The heat transfer coefficient depends on several factors: mode of heat transfer (e.g., internal or external...

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Conjugate convective heat transfer

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proportionality of heat flux to temperature difference with heat transfer coefficient which was the only tool in theoretical heat convection since the...

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Gini coefficient

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late 20th century, considering the effect of taxes and transfer payments, the income Gini coefficient ranged between 0.24 and 0.49, with Slovakia being the...

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Transport phenomena

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substituting into this equation the definitions of the heat transfer coefficient, mass transfer coefficient, and Lewis number, yielding: h h m = k D L e n = ρ...

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Heat transfer

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the process. Thermodynamic and mechanical heat transfer is calculated with the heat transfer coefficient, the proportionality between the heat flux and...

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Attenuation coefficient

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The linear attenuation coefficient, attenuation coefficient, or narrow-beam attenuation coefficient characterizes how easily a volume of material can be...

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Rate of heat flow

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by Fourier's Law of Heat Conduction. Rate of heat flow = - (heat transfer coefficient) * (area of the body) * (variation of the temperature) / (length...

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Logarithmic mean temperature difference

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exchanger with constant area and heat transfer coefficient, the larger the LMTD, the more heat is transferred. The use of the LMTD arises straightforwardly...

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UEFA coefficient

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In European football, the UEFA coefficients are statistics based in weighted arithmetic means used for ranking and seeding teams in club and international...

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Nucleate boiling

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the convective heat transfer coefficient and the heat flux. In this regime, most of the heat transfer is through direct transfer from the surface to the...

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Nusselt number

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}\right)} , where h is the heat transfer coefficient and A is the heat transfer surface area. Because heat transfer at the surface is by conduction,...

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Zeotropic mixture

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a decrease in the resistance to heat transfer. Thus, more heat is transferred and the heat transfer coefficient is higher at the top of the film. The...

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Falling film evaporator

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outside of the tubes. High heat transfer coefficients are required in order to achieve equally balanced heat transfer resistances. Therefore, condensing...

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Rising film evaporator

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overall heat transfer rate is, where Q is the heat transfer Rate U is the overall heat transfer coefficient A is the overall heat transfer area Tlm is...

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Plate heat exchanger

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maximize heat transfer in the exchanger. A high degree of turbulence can be obtained at low flow rates and high heat transfer coefficient can then be achieved...

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Thermal shock

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heat transfer case, a higher heat transfer coefficient is beneficial for thermal shock resistance. The material index for the poor heat transfer case...

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Biot number

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of the body [W/(m·K)] h {\displaystyle {h}} is a convective heat transfer coefficient [W/(m2·K)] L {\displaystyle {L}} is a characteristic length [m] of...

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Mass transfer

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calculation and application of mass transfer coefficients for an overall process. These mass transfer coefficients are typically published in terms of...

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Operative temperature

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{\displaystyle h_{c}} = convective heat transfer coefficient h r {\displaystyle h_{r}} = linear radiative heat transfer coefficient t a {\displaystyle t_{a}} = air...

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