نتایج جستجو برای: reducing energy consumption

تعداد نتایج: 1044357  

Journal: :natural environment change 2015
gholamreza roshan jose a orosa

this present research work was carried out to evaluate the energy consumption in a typical iranian building based on the forecast of climatic variables. thus, the lars-wg model was validated for some northwest stations of iran, including tabriz, ardebil, oromieh, kermanshah, hamedan, sannandaj, qazvin, and zanjan. the average monthly outdoor temperature was forecasted from 2011 to 2100. the rel...

Journal: :international journal of advanced biological and biomedical research 2014
negar hafezi mohammad javad sheikhdavoodi seyed majid sajadiye mohammad esmail khorasani ferdavani

objective: the main objective pursued in this paper is to investigate the energy consumption for drying of potato slices using vacuum-infrared drying method. methods: drying of potato slices with the thicknesses of 1, 2 and 3 mm were conducted at vacuum levels of zero (without vacuum), 20, 80 and 140 mm [hg], infrared radiation at power levels of 100, 150 and 200 w in the three repetition. resu...

Journal: :international journal of environmental research 0

the municipality of tehran is intending to construct a permanent international flower exhibition. the activities for construction began in the year 2006. the exhibition has three distinct areas namely “northern area”,”southern area” and “central area”. in northern and southern area the flowers are supposed to be preserved and in central area, they will be sold out. in the present st...

A. Nikkhah A. Rohani B. Emadi, H. Soltanali M. Khojastehpour

The aims of this study were to evaluate the energy consumption and its modeling in industrial milk production units using data envelopment analysis (DEA) approach and sensitivity analysis. Data were collected from 44 industrial milk production units in Guilan province of Iran with face to face questionnaire method during 2012-2013. Inputs included animal feed, fossil fuels, electricity, machine...

Journal: :J. UCS 2014
Puyuan Yang Peiquan Jin Lihua Yue

In recent years, mobile operating systems, represented by android and iOS, have become more and more popular in smartphones. However, the energy issue in smartphones, which refers to the poor battery capacity and management schemes, has been the bottle-neck to further advance the development in this area. Generally, mobile applications have to consider both performance and energy consumption. B...

Buildings are one of the main pillars of economic and social development of countries that consume a large part of energy and natural resources. The purpose of writing this article is to calculate the energy consumption of a building in one year, determine the energy label and then optimize some of its features in order to reduce construction costs and reduce energy consumption of the operation...

Journal: :Telecommunication Systems 2016
Ehsan Ahvar Gyu Myoung Lee Noël Crespi Shohreh Ahvar

Energy-aware routing protocols can be classified into two categories, energy savers and energy balancers. Energy saver protocols are used to minimize the overall energy consumed by a wireless sensor network (WSN), while energy balancer protocols efficiently distribute the consumption of energy throughout the network. Energy saver protocols are not necessarily good at balancing energy consumptio...

2015
S. S. Wang P. Zhou

This paper examines the causal relationships between carbon dioxide emissions, energy consumption and real economic output using panel cointegration and panel vector error correction modeling techniques based on the panel data for 28 provinces in China over the period 1995–2007. Our empirical results show that CO2 emissions, energy consumption and economic growth have appeared to be cointegrate...

ژورنال: انرژی ایران 2022

The use of wind energy is one of the methods of reducing energy consumption. In a moderate and humid climate, where humidity and precipitation are the most prominent features, creating air conditioning is essential for the residents. Balconies, in addition to the effect on the exterior appearance of the building, create functional spaces in the building that direct and manage the air flow. In t...

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