The thermal management of high heat fluxes is a critical roadblock in the way of higher-performance microelectronics. The ongoing reduction in microtransistor size translates into heat fluxes comparable to those encountered in nuclear reactions and rocket nozzles, but under much severer temperature constraints. Although the average heat flux may remain in the vicinity of 100 to 300 W/cm, the pe...

This study introduced real life application of first order differential equation. In this paper We basically discussed about different types equation and the solution in field science technology. Further, Newton’s law cooling orthogonal trajectory has been incorporated. Study convective boundary condition it is used for increasing temperature.

• A novel radiant-convective cooling system is proposed. The thermal comfort, energy and economic performance are experimentally studied. proposed has better indoor comfort than split air-conditioners. higher efficiency ratio Split air-conditioners have limitations in terms of local comfortability. Radiant systems (RCSs) cannot be used most residential buildings, due to its lack space for a cen...

Cold mantle lithosphere is gravitationally unstable with respect to the hotter buoyant asthenosphere beneath it, leading to the possibility that the lower part of the mantle lithosphere could sink into the mantle in convective downwelling. Such instabilities are driven by the negative thermal buoyancy of the cold lithosphere and retarded largely by viscous stress in the lithosphere. Because of ...

Climate sensitivity to the representation of tropical anvil is investigated in a version of the National Center for Atmospheric Research Community Climate Model. Common features of tropical anvil generation and structure, consistent with observations and cloud resolving models, are incorporated into a simple prognostic anvil parameterization. These features include anvil convective origin, vert...

Increasing peak power demand implies the increasing significance of energy storage. Technologies that efficiently store heat and cold are also important for share renewables improving efficiency heating, ventilation, air conditioning (HVAC) systems. The present experimental study investigated dynamic behavior a room with suspended thermally activated ceiling panels filled material containing 60...

[1] A two-dimensional cloud-resolving model with detailed spectral bin microphysics is used to examine the effect of aerosols on three different deep convective cloud systems that developed in different geographic locations: south Florida, Oklahoma, and the central Pacific. A pair of model simulations, one with an idealized low cloud condensation nuclei (CCN) (clean) and one with an idealized h...

Nanofluids are solutions of a small fraction of suspended nanoparticles in a bulk fluid. Nanofluids have shown great promise as heat transfer fluids over typically used bulk fluids and fluids with micron sized particles. The nanoparticles do not settle in the fluid and do not cause clogging or damage to surfaces as with micron sized particles. In the current work we compare the performance of d...

In this research article a comprehensive investigation has been carried out to determine the effect of thermal cycle on temperature dependent process parameters developed during gas tungsten arc (GTA) welding of high carbon (AISI 1090) steel butt joints. An experiment based thermal analysis has been performed to obtain the thermal history. We have focused on different thermophysical properties ...