نتایج جستجو برای: ashrae 52
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This paper focuses on the calculation of sizing ducting based cooling load requirements main office building following regulation airspeed using American Society Heating, Refrigerating and Air Conditioning Engineers (ASHRAE) Computational Fluid Dynamics (CFD) simulations. The purpose this research is to validate turbulence that occurs in between manual calculations CFD From calculation, require...
The concept of Design-Build-Operate Energy Information Modeling (DBO-EIM) is proposed. The DBO-EIM aims at creating a detailed and persistent energy model that can be used to reduce energy consumption and improveoccupant comfort throughout the life-cycle of a building. Within the framework, the model is builtto supportdecision makingin the design phase, validated and tuned during construction a...
Today, environmental pollution and global warming have become threats. The use of renewable energy sources is a rational approach to overcome this problem, ground source heat pumps also play an important role in approach. However, the refrigerants used these systems often potential values above specified norms. In study, using Engineering Equation Solver package program, performance values, eff...
A functional characterization of the cerebellum centers on the hypothesis that this structure is essential for the representation of temporal relationships in the subsecond range. This hypothesis is supported by evidence involving a wide range of methods, including lesion studies, neuroimaging, and, to a limited extent, stimulation studies with transcranial magnetic stimulation. The extent of t...
The teaching of Languages for Specific Purposes (LSP) in the second half of the twentieth centuryhas been greatly influenced both by the communicative approach and by developments inresearch in discourse analysis, particularly with reference to genre. The integration of researchin corpus linguistics in the language-learning environment has been a more recent phenomenon,with publ...
Introduction Hydrogeologic investigations are often hampered by insufficient information about the site-specific hydrostratigraphic features that control ground water flow and solute transport. Field and modeling studies in a wide variety of geologic settings have shown the importance of a detailed description of aquifer heterogeneity for applications ranging from prediction of contaminant tran...
Family Planning Perspectives effects of family planning programs on rates of births and abortions; and incentives for out-of-wedlock childbearing attributed to the Aid to Families with Dependent Children (AFDC) program. These questions reflect more general but perhaps less widely publicized issues that are well suited to economic analysis, such as the cost and accessibility of reproductive heal...
Background and Aim: Laboratory fume-hoods are the first-level protection for the laboratory staff against hazardous chemical pollutants. Considering the large numbers of personnel, especially in petrochemical industry laboratories, this project was carried out in order to assess the performance of laboratory hoods based on tracer gas (SF6).Materials and Methods: In this project 22 hoods in the ...
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