Conductionand convectionare similar in that both mechanisms require material medium, but the difference is that convection requires the presence of fluid motion.And heat transfer through a liquid or gas can be by convection or conduction, depending on if there is presence ofbulk fluid motion. In ...
gas-liquid flowThis article presents the research on the air–water system flowing in a pipe section with electrical heating with a wire-mesh bed inside it. The heat flux was determined and so was the convective heat transfer coefficient for the two-phase flow through a pipe length that had...
A simple but common heat exchanger application in a chemical process plant is cooling a hot liquid or gas product from the process (called the “process fluid”) to a temperature low enough that it can be safely stored. The coolant is likely to be air or water, which would be heated in...
Pilot plants are using liquid salts to store temperatures of around 550°C. Even higher temperatures have been achieved with gases so far. When electrically heated to about 700°C, they transfer their heat to storage materials such as steel, volcanic rock or slag. "However, theheat transferfrom...
Liquid to Liquid, Gas to Liquid, Counter Flow Heat Exchanger as Condenser, Cooler, Heater, Find Details and Price about Condenser Cooler from Liquid to Liquid, Gas to Liquid, Counter Flow Heat Exchanger as Condenser, Cooler, Heater - Shandong Wintech ...
Thus, the cold oil sands and liquid would be heated because of the direct contact with the high temperature liquid. The convective heat transfer will be enhanced due to the increase of pressure difference or the angle between steam chamber interface and horizontal plane. Download: Download high-...
Thepropertiesofthefluid-viscosity,thermalconductivity,specificheat,anddensityareimportantparametersinheattransfer.Eachofthese,especiallyviscosity,istemperaturedependent.Heattransferbyforcedconvectioninturbulentflow Perhapsthemostimportantsituationinheattransferistheheatflowinastreamoffluidinturbulentflow.Sincetherateofheat...
gas-liquid two-phase flow,heat transfer under high pressure and temperature,Critical Heat Flux(CHF),and Supercritical Heat Transfer(SCHT).It was found that the alternative refrigerant R134a is one of the best modeling fluids due to its excellent environmental and thermodynamic properties.The ...
A numerical model for the calculation of hydro and heat transfer fully-developed stratified wavy gas–liquid receiver flow with the concave interface was developed and the wavy interface was represented by an interfacial roughness. The wavy gas–liquid interface was devised from empirical consideration....
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