نتایج جستجو برای: inlet air temperature
تعداد نتایج: 635965 فیلتر نتایج به سال:
computational fluid dynamics (cfd) is a computational technology that enables researchers to study the dynamics of things that flow. by using cfd, it is possible to build a computational model that represents a system under study. it not only predicts fluid flow behavior, but also the transfer of heat, mass, phase change, chemical reaction, mechanical movement, and stress or deformation of rela...
In this paper, mini-channel type evaporator which is new in mobile air conditioning (MAC) or automotive air conditioning (AAC) systems is thermally modeled. The performance of mini-channel evaporator is also compared with the laminated evaporator which is being currently used in automotive industries. The mini-channel evaporator was constructed of two rows of parallel flow mini-channel tubes...
Improving the performance and durability of gas turbine aircraft engines depends highly on achieving a better understanding of the flow interactions between the combustor and turbine sections. The flow exiting the combustor is very complex and it is characterized primarily by elevated turbulence and large variations in temperature and pressure. The heat transfer and aerodynamic losses that occu...
The object of this study is to investigate experimentally the effects of Flue Gas Recirculation technique on exhaust gases temperature and also the NOx levels of gasoil and biodiesel (made of sunflower oil) combustion. The tests were carried out for different levels of FGR ranged from 0 to 30% and for three inlet air flow rates i.e.: 3.5, 4.5 and 5.5 m3.min-1. Experimental results indicate that...
Chip Temperature-Based Workload Allocation for Holistic Power Minimization in Air-Cooled Data Center
Minimizing the energy consumption is a dominant problem in data center design and operation. To cope with this issue, the common approach is to optimize the data center layout and the workload distribution among servers. Previous works have mainly adopted the temperature at the server inlet as the optimization constraint. However, the inlet temperature does not properly characterize the server’...
Forced convective condensation in vertical channel is investigated numerically. The condensation boundary layers that occur due to temperature difference between the walls and saturation temperature of steam is simulated by the volume of fluid (VOF) method. The effect of variations in the hydraulic diameter, steam velocity, Re number and temperature difference between the wall and saturation te...
A good cooling inside a battery pack is important to avoid safety issues and avoid the development of too large internal temperature gradients. The temperature distributions inside two packs (in-line and staggered) made of large cylindrical lithium iron phosphate cells (of 18 Ah nominal capacity) are analysed in this paper during a 90 A constant discharge current. The analysis of the battery pa...
Computational Fluid Dynamics (CFD) is a computational technology that enables researchers to study the dynamics of things that flow. By using CFD, it is possible to build a computational model that represents a system under study. It not only predicts fluid flow behavior, but also the transfer of heat, mass, phase change, chemical reaction, mechanical movement, and stress or deformation of ...
Membrane inlet mass spectrometry (MIMS) is an established technique for the analysis of volatile organic compounds in aqueous solutions and in air. A thin membrane is the only interface between a liquid or gaseous sample at atmospheric pressure and the vacuum of a mass spectrometer. Since its introduction about 35 years ago MIMS has been applied mainly in biochemistry and environmental analysis...
Several optimal discharge pressure correlations for transcritical CO2 heat pump in literature have been discussed in this paper. Most of them are related to the ambient temperature, the evaporation temperature and the gas cooler outlet temperature. A revised optimal discharge pressure model as the function of ambient temperature and water outlet temperature is developed based on earlier experim...
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