نتایج جستجو برای: heat absorption

تعداد نتایج: 330715  

2014
Yingbai Xie Xiuzhi Huang Chuntao Liu Cheng Zhao Yingbai XIE Xiuzhi HUANG Chuntao LIU Cheng ZHAO

Gas driven Vuilleumier heat pump is a closed cycle, where the working gas is kept inside the three cylinders and the heat of gas and surroundings are added to and removed from the cycle through heat exchanger. It has many advantages, such as fewer moving parts, low noise and long lifespan. Competitive to absorption cycle, It has the potential for higher Coefficient of Performance (COP). A proto...

Journal: :Scientific and Technical Journal of Information Technologies, Mechanics and Optics 2018

 Development of materials with the ideal black body absorption spectrum are of great interest. Such materials could improve the efficiency of solar cells, and passive cooling and heat transfer systems as well as the protective and decorative coatings. Fabricating black anodizing coatings is promising for this purpose because they exhibit low light reflection from the surface. Such coatings can ...

2015
Hendrik Vogt

We investigate selfadjoint positivity preserving C0-semigroups that are dominated by the free heat semigroup on Rd. Major examples are semigroups generated by Dirichlet Laplacians on open subsets or by Schrödinger operators with absorption potentials. We show explicit global Gaussian upper bounds for the kernel that correctly reflect the exponential decay of the semigroup. For eigenfunctions of...

2012
R. A. Mohamed S. Z. Rida A. A. M. Arfa

In this paper, the problem of heat and mass transfer on the flow of non-Newtonian micropolar fluid with uniform suction/blowing, heat generation, radiation, thermophoresis and chemical reaction is presented and discussed. The Homotopy Analysis Method (HAM) is employed to compute an approximation to the solution of the system of nonlinear differential equations governing the problem. The effects...

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