نتایج جستجو برای: 312 the total energy consumption
تعداد نتایج: 16248822 فیلتر نتایج به سال:
This paper investigates the effect of positive and negative shocks from the shadow economy and financial development on energy consumption during the period of 1974–2014 in the short and long term using the non-linear Autoregressive Distributed Lag. The ratio of liquidity to GDP has been used as an indicator of financial development, and the volume of the shadow economy calculated by Piraee and...
One of the main challenges in Wireless Sensor Networks is the limited energy of nodes which can cause to reduce the lifetime of nodes and whole network respectively. Transmissions between the nodes consumes most of the nodes' energy so minimization of unnecessary transmissions can led to reduction of energy consumption. Therefor routing protocols designed based on optimal energy consumption are...
Many cities in the world are involved with air pollution and environmental pollution. The consumption of fossil fuels in buildings has an enormous impact on the pollution. About 40% of the total energy is spent on heating, cooling and lighting of buildings. The use of solar energy is one of the ways that reduce the thermal load of buildings. One of the factors that affect this utilization is th...
in the last quarter of the century, a substantial amount of research work has been conducted on optimization of energy consumption by refrigeration systems and on proper design and construction of household refrigerator-freezers. the importance of such energy optimization schemes stems from the environmental impacts of freon (r-12) used as the working refrigerant in household refrigerator – fre...
Energy consumed the in urban sector accounts for a large proportion of total world delivered energy consumption. Residential building energy consumption is an important part of urban energy consumption. However, there are few studies focused on this issue and that have simulated the energy consumption of residential buildings using questionnaire data. In this research, an eQUEST study was condu...
in italy, several policy measures have been implemented in order to increase energy efficiencyand reduce carbon emissions especially concerning the household sector. however, in order to design andimplement these policy measures efficiently, it is necessary to get a better understanding of the factorsinfluencing household energy behavior. in this paper, by using disaggregated data from the 2009...
Crop production process utilizes input energy and produces some biomass energy as output. During this process, greenhouse gases (GHGs) are also emitted which can make environmental risks. In this study, input and output energies, energy indices, and GHG emissions arising from inputs were estimated for wheat-cotton rotation under different tillage practices in Fars province. The study was condu...
Introduction & Objective: Common methods for dewatering of wastewater sludge need chemi-cals and high energy consumption and have low efficiency and environmental acceptability because of colloidal and jelly property of bacteria cells of sludge. Furthermore, their operat-ing is completely complicated. In this study electro-flotation way, as a novel method, was performed to cover these limitatio...
Nowadays, energy consumption management is a vital strategy for societies to optimize energy consumption. Considering the widespread functions of electrical energy in human lives,a high proportion of consumption management procedures deals with the management of electrical energy consumption. It is important to study the state of electrical energy and provide managerial and optimal management s...
Data centers are becoming one of the major consumers of energy in modern economies accounting for a measurable fraction of the total energy consumption. Furthermore, the energy consumption of data centers has a high growth rate with the energy consumption doubling about every six years. With large data centers consuming several MW of power or even 10’s of MW energy efficiency and energy consump...
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