نتایج جستجو برای: air conditioning and room temperature good
تعداد نتایج: 16971543 فیلتر نتایج به سال:
Air conditioning systems have become very important at the end of this decade, due to global warming. Comfortable room conditions require a good air system. This paper aims investigate effect velocity inlet on central conditioning. The boundary condition design was made using computer-aided software. temperature distribution investigated numerically. use conditioner with 12 diffuser 0.7 m/s pro...
Radiators are common devices for heating of home and office spaces and have a close relationship with the energy sector. In a radiator, heat transfer is increased with increasing of air flow rate along heated surface as well as temperature difference between bulk air and heated surface. First, in order to find the optimum design of an Aluminum radiator numerical analysis ...
the study of air infiltration into the buildings is important from several perspectives that may be noted to energy and design of hvac systems, indoor air quality and thermal comfort and design of smoke control systems. given the importance of this issue, an experimental and numerical study of air infiltration through conventional doors and windows has been explored in iran. to this end, at fir...
Thermal modeling of an automotive cabin was performed in this paper to predict the inside cabin air temperature. To implement this task, thermal and ventilation loads were estimated and the mass and energy balance conservation equations for dry air and water vapor with considering a new parameter (air circulation ratio) as well as the balance equations of internal components of a cabin were de...
Background and Objective: Since people spend a lot of time indoors, assessment of Sick Building Syndrome (SBS)is the first step to improve working and living conditions in closed environments. This study wasconducted to evaluate the SBS symptoms among staff in Razi Hospital of Chalous, to identify the affecting environmental parameters on these symptoms and to provide solutions to reduce the sy...
The bactericidal activity of meropenem is determined by the time that concentrations in tissue and serum are above the MIC for the pathogens during the dosing interval. Thus, the most effective mode of administering of meropenem is continuous infusion. However, the stability of meropenem reconstituted in solution is influenced by the storage temperature. Until now we have had no data to evaluat...
in this project, some new polyaspartimides, (pas)s, have been synthesized form michael addition reaction between new synthetic bismaleimide (bmi) and some aromatic diamines. a characteristic property of this polyaspartimides is a pendent carboxylic group, which introduced to these polymers from new bismaleimide. bismaleimides (bmi) is one of the interesting compounds, which can be self-polymeri...
In small to medium scale buildings located in the subtropics, such as Hong Kong, direct expansion air conditioning (DX A/C) systems are widely applied. This is because, as compared to chilled water based central air conditioning systems, DX A/C systems are compact, flexible for multi-room services, energy efficient and cost less to maintain and operate. However, traditionally, a DX A/C system i...
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