نتایج جستجو برای: thermal performance factor

تعداد نتایج: 2036146  

2015
T. Hong K. Jeong

Various green projects were executed to reduce the energy consumption in building sector. In particular, it is necessary to improve the thermal insulation performance of existing residential buildings. Even though it is critical to evaluate the thermal insulation performance in operation and maintenance phase, most of the policies and previous studies have focused on thermal insulation material...

A. Maghsoudipour H. Tamaddon

In this work, the strontium-doped lanthanum manganite- a ceramic material- used as cathode in solid oxide fuel cells. An impression of grinding time on the structural and thermal properties of Sr-doped LaMnO3 system with La1-xSrxMnO3 (x=0.2) stoichiometric ratio was investigated. The nano crystallite LSM powder with cubic structure was prepared by varying the milling time of planetary monomill ...

Journal: :journal of occupational health and epidemiology 0
mh beheshti gonabad e boroumand nejad [email protected] b bahalgerdy f mehrafshan a zamani arimy

background: heat stress is one of the harmful factors present in many workplaces. it can lead to performance loss and low functionality of the labor force. therefore, the aim of this study was to evaluate exposure to heat stress and its consequent performance loss among workers functioning in indoor high-temperature workplaces. materials and methods: this descriptive, analytical study was condu...

Avdhesh Kr. Sharma P.C. Tewari Sorabh Gupta

The present paper discusses the development of a Markov model for performance evaluation of coal handling unit of a thermal power plant using probabilistic approach. Coal handling unit ensures proper supply of coal for sound functioning of thermal Power Plant. In present paper, the coal handling unit consists of two subsystems with two possible states i.e. working and failed. Failure and repair...

Journal: :international journal of civil engineering 0
s. raut dept. of civil engg., vnit, nag. r. ralegaonkar dept. of civil engg., vnit, nag. s. mandavgane dept. of chemical engg., vnit, nag.

accumulation of unmanaged industrial solid waste, especially in developing countries has resulted in an increased environmental concern. in view of utilization of industrial solid waste the recycled paper mill waste (rpmw) – cement composite bricks were designed and developed. in order to investigate the environmental performance of sustainable construction materials two small scale model house...

Journal: :Sen'i Kikai Gakkaishi (Journal of the Textile Machinery Society of Japan) 1989

Journal: :Revista de Engenharia Térmica 2006

Journal: :Scientific Journal of Riga Technical University. Environmental and Climate Technologies 2013

In this study, thermal performance of the collector with analytic and quasi-dynamic method is evaluated based on energy balance equations for each part of the U-pipe evacuated tube solar collector. Using this approach, effect of different parameters such as tube size, overall heat loss coefficient, absorber tube absorptivity, mass flow rate and air layer thermal resistance on thermal performanc...

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