Heat Transfer Coefficients
Heat transfer coefficients for natural water surfaces
... Heat transfer coefficients for natural water surfaces Williams, G. P. https://publications-cnrc.canada.ca/fra/droits L’accès à ce site Web et l’utilisation de son contenu sont assujettis aux ...
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Dynamic wetting spread factors and interfacial heat transfer coefficients in the solidification of aluminum droplets on copper substrates
... The interfacial heat transfer coefficients were obtained with a 2-D model for the substrate, having an adiabatic boundary at the back and a I-D model for the droplet, also with an adiaba[r] ...
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Process Parameters and Modeling Features Affecting Interfacial Heat Transfer Coefficients in the Casting of a Semi-Solid 357 Aluminum Alloy
... interfacial heat transfer coefficients in the casting of a semi-solid 357 aluminum ...interfacial heat transfer coefficients were calculated with an inverse heat ...
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Characterization of contact heat transfer coefficients and mathematical modeling of a semi-solid aluminium die casting
... It is seen from this equation that the contact heat transfer coefficient,h(t), can be determined from knowledge of the heat flux, q(t), as well as the casting and mold surface temperatur[r] ...
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Active heat transfer enhancement in integrated fan heat sinks
... the heat losses were only estimated rather than experimentally characterized, which could have led to underestimates of the heat loss (in this scenario, some of the lost energy due to conduction through the ...
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Modeling heat transfer within porous multiconstituent materials
... radiative heat transfer as a function of the temperature within porous multiconstituent materials from their morphology discretized into a set of homogeneous ...
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Convective heat transfer in domed skylight cavities
... the heat transfer estimation translates into an error of less than 8% in the overall thermal transmittance of the fenestration ...convective heat transfer in curved or trapezoidal cavities can ...
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Twente mass and heat transfer water tunnel: Temperature controlled turbulent multiphase channel flow with heat and mass transfer
... convective heat transfer in bubbly flows, 15,19,23 where, in addi- tion to buoyancy driven circulation, bubble wakes and their inter- play provide an additional mixing ...involving heat and mass ...
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Convective heat transfer in rotating, circular channels
... Figure 6a. Cross-section at outlet of cylindrical tube showing parabolic velocity profile shift for low rotational speed, 92= 60 rpm, for channel rotating counter-clockwise ab[r] ...
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Heat transfer measurements in furnaces and fires
... The gases are continuOUSly transferring heat to walls and object, so that both attain a temperature dependent on the quantity of heat supplied to them.. The better the walls are insulate[r] ...
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Tube banks, single-phase heat transfer in
... across the boundary layer has also been taken into consideration. The Delaware group chose n = 1/3, ie. j is the so-called Colburn heat transfer factor. ESDU (1973) and Z ukauskas and Ulinskas ( (1988) ...
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Steady-state heat transfer in microcracked media
... (respectively heat flux Q) can be defined as the mean temperature (resp. external heat flux) on the boundary ...(resp. heat flux Q) corresponds to the average of the corresponding microscopic ...
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Advanced materials for enhanced condensation heat transfer
... However, we find that although this mode of condensation is readily achievable when condensing working fluids with high surface tension, such as water, even re-ent[r] ...
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Analysis of heat transfer in silicate slags.
... laboratory experiment, the effects of the slag composition, the liquid slag temperature, the convection in the liquid, and the composition in the metal sphere are mea[r] ...
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RANS Computation of Heat Transfer Over Rough Surfaces
... the heat transfer coefficient and skin friction ...for heat transfer, Dipprey and Sabersky (1963) conducted detailed ...the heat transfer coefficient decreases monotonically with ...
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HEAT TRANSFER THROUGH NEAR-FIELD INTERACTIONS IN NANOFLUIDS
... So far we have assumed that all nanoparticles were at rest in the host fluid. To justify this assumption and verify that our model captures well the main physical mechanims which govern near- field heat exchanges ...
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Experimental investigation on convective Heat Transfer Enhancement by EHD
... Thermophys. Heat Transfer 12 (3) 431 ...Hayashi. Heat transfer enhancement in a convective field by applying ionic wind”, ...Enhanced Heat Transfer, ...
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Experimental determination of the Z-transfer function coefficients for houses
... L’accès à ce site Web et l’utilisation de son contenu sont assujettis aux conditions présentées dans le site LISEZ CES CONDITIONS ATTENTIVEMENT AVANT D’UTILISER CE SITE WEB.. NRC Publica[r] ...
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Comments on the Z-transfer function method for calculating heat transfer in buildings
... This example- shows that the non steady heat transfer through building envelope components can be calculated without much difficulty using the z-transfer function method for real insid[r] ...
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Heat transfer intensification and flow rate control in dynamic micro-heat exchanger
... Figure 8. –Left: View of the top box containing the 3 actuators (cover removed). The membrane is glued on the bottom of the actuators. –Right: View of the heat exchanger bottom wall, made of copper. The two ...
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