Bhanvase, B., S., Sayankar, A., Kapre, P., Fule and S., Sonawane, Experimental investigation on intensified convective heat transfer coefficient of water based PANI nanofluid in vertical helical coiled heat exchanger. Applied Thermal Engineering, 128 (2018) 134-140....
According to a few studies[95,96], theconvective heat transfercoefficient is influenced by thebuoyancy forcedue to density differences in the heated air. The convective heat transfer between awater surfaceto the condensing glass lid is calculated by Eq.(7)[95,96]: ...
(uid)ow.Hence dif-fusion over a semi-permeable surface is always accompanied by convection.More information about this phenomenon and the der-ivation of the factor 1/(1ÀYs)can be found in[9,18]. In the process of water evaporation into air the water surface can be considered semi-...
Enhancements ofconvectiveheat transfer coefficient are different in the different positions of experimental pipeline. 在实验管道内的不同位置纳米流体对流换热系数的提高也是不同的. 互联网 The basic characteristics of gasconvectivediffusion of underground coal gasification ( UCG ) are studied. ...
Condensing Water Vapor: 5.000 - 100.000 (W/(m2K)) Heat Exchanger Heat Transfer Coefficients Convective Heat Transfer Coefficient for Air The convective heat transfer coefficient for air flow can be approximated to hc = 10.45 - v + 10 v1/2 (2) where hc = heat transfer coefficient (kC...
Water isotopes are tracers of convective processes and are often used as proxies for past precipitation. These applications require a better understanding of the impact of convective processes on the isotopic composition of water vapor and precipitation. One way to advance this understanding is to anal...
Transmission coefficientMooring forceThe mechanism of the formation of horizontal temperature/density gradients above underwater coastal slopes of natural basins due to heating/cooling from the surface is considered. It is shown that the time required for formation of the gradients is rather small (...
(Fig.3a). In this random phase, enhanced shortwave fluxes at the surface in clear sky regions means SST and TCWV are anti-correlated, and the SST-TCWV regression coefficient (γhereafter) is negative. This changes once the convection is strongly clustered, with enhanced OLR in the dry ...
The results demonstrate convective heat transfer coefficient of U-bend double pipe heat exchangers is enhanced by 35% for 1 MgO vol.% and 0.2 Cmc wt.% compared to base fluid (Water-Cmc). It is concluded that pressure drops are directly proportion to the increase of MgO nanoparticles at ...
The calculative method of heat transfer coefficient between ice cover and water is analyzed considering the heat balance at ice bottom firstly. 首先讨论了通过冰盖底面的热量平衡来计算冰水间热传递系数的方法,并利用—冬季辽 19971998 东湾海域定点观测的气象、水文和海冰资料,对冰水间的热传递系数进行了计算...