نتایج جستجو برای: evaporative cooling
تعداد نتایج: 56706 فیلتر نتایج به سال:
Generally, Central Asia is typical for regions with strong solar radiation and various natural cooling sources. The heat gain from the building envelope accounts for a large part of the cooling load there. Thus, the pipe-embedded envelope is receiving attention as a semi-active system of utilizing natural energy for cooling. In this study, the performance of the pipe-embedded envelope used in U...
Optimization of Ventilation System For Existing Environmentally Controlled Poultry Sheds in Pakistan
Submitted: Jul 28, 2013; Accepted: Sep 6, 2013; Published: Sep 11, 2013 Abstract: Poultry is the ever-growing food industry in Pakistan and to keep up with the demand of meat it is essential to increase its productivity. The most influencing factors in this regard are the design and orientation of shedsasthey playvitalrole for energy conservation, heating and cooling distribution with controlle...
Many reptiles have temperature-dependent sex determination (TSD). Sex determination in marine turtles is described by a cool-male, warm-female pattern. Nest sand temperature strongly influences sea turtle embryo development and sex differentiation. Yet, variation in hatchling sex ratios is explained only partially by nest temperature and can be predicted only at the warmest and coolest temperat...
We report on a quantitative study of the growth process of (87)Rb Bose-Einstein condensates. By continuous evaporative cooling we directly control the thermal cloud from which the condensate grows. We compare the experimental data with the results of a theoretical model based on quantum kinetic theory. We find quantitative agreement with theory for the situation of strong cooling, whereas in th...
Autonomous humanoid robots need high torque actuators to be able to walk and run. One problem in this context is the heat generated. In this paper we propose to use water evaporation to improve cooling of the motors. Simulations based on thermodynamic calculations as well as measurements on real actuators show that, under the assumption of the load of a soccer game, cooling can be considerably ...
We report the application of evaporative cooling to clouds of trapped antiprotons, resulting in plasmas with measured temperature as low as 9 K. We have modeled the evaporation process for charged particles using appropriate rate equations. Good agreement between experiment and theory is observed, permitting prediction of cooling efficiency in future experiments. The technique opens up new poss...
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