نتایج جستجو برای: conditioner
تعداد نتایج: 1747 فیلتر نتایج به سال:
In this paper comprehensive studies have been carried out for the design optimization of a waste heat recovery system for effectively utilizing the domestic air conditioner heat energy for Keywords—Air-conditioning system, Energy conversion system, Hot water production from waste heat, Waste heat recovery system.
The Shunt Active Power Filter is a very essential tool to remove harmonic currents and to reimburse reactive power for nonlinear loads. The fundamental standard of process of a Shunt Active Power Filter is to introduce an appropriate non-sinusoidal current (compensating current) into the system at the point of common coupling. This research work focuses on the time-domain approach for three-pha...
Air-conditioners (AC) are devices/systems that are used indoors to cool air by reducing the humidity of the air following condensation of the water vapour. It is observed that hyperventilation of cold dry air causes bronchoconstriction in asthmatic patients. [1,2] Modern styles of living in urban areas are considered potentially responsible for the development of airway allergic diseases due to...
Abstract: Increasing demand toward driving comfort steers automobile engineers to spend more and more effort on refining the automobile air conditioning system. The system is of high order and operated at the presence of several disturbances. The control algorithm should be able to control the evaporator out temperature with the acceptable control action. In this work, the sliding mode control ...
That doctor, whose days were filled with analyzing and interpreting the tiny electrical signals emitted by the heart, spent his evenings enjoying music through a high-end system. Discovering that Shunyata’s Triton AC conditioner improved the low-level resolution of his audio system, he surmised that the Triton may allow him to more clearly see the heart’s tiny electrical signals in a clinical s...
PURPOSE This in vitro study sought to compare the antifungal activity of melaleuca alternifolia oil and fluconazole mixed with a tissue conditioner. MATERIALS AND METHODS By testing several concentrations of fluconazole and melaleuca oil in Visco-gel, the minimum most effective concentration of each antifungal agent against Candida albicans was determined. Mean inhibition diameter (MID) was u...
Performance evaluation of an air conditioner using R410a has been evaluated by field measurement pressure and temperature at suction discharge line. Two methods were used for measurement. First, the sensors mounted on outer wall pipe second, inserted into refrigerant flow in pipe. Using second method, is averagely 5.0°C lower 17.8°C higher than that first method. The coefficient performance pow...
In order to solve the problems of a heat pump air conditioner for an electric bus under extreme conditions, such as large compression ratio, high discharge temperature, reduced system performance, frequent shutdown compressor due overheat protection, this paper proposes vapor injection technology with economizer, and carries out theoretical analysis process reveal effect on performance conditio...
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