نتایج جستجو برای: energy utilization ratio

تعداد نتایج: 1235135  

2013
D. Bhattacharyya

Complex power generation scheduling, correlated uncertainties, environmental issues and hybrid energy system modeling have become very important research topics due to rapid growth of large-scale distributed renewable energy system, deregulated electric power markets and responsive demand. The intermittent nature of the primal energy sources (i.e. wind, sun, water) increases uncertainty as well...

Journal: :energy equipment and systems 0
kamal jahani faculty of mechanical engineering, university of tabriz, tabriz, iran mir. meysam rafiei faculty of mechanical engineering, university of tabriz, tabriz, iran reza aghazadeh ayoubi school of industrial and information engineering, polytechnic university of milan, milan, italy

energy harvesting from surrounding environment has been attractive for many researchers in recent years. therefore, developing appropriate test apparatus to study energy harvesting mechanisms and their performance is of paramount importance. due to their electromechanical characteristics, piezoelectric materials are used for harvesting energy from environmental vibrations. for optimum utilizati...

2009
Jin Kyung Park Ji Yeon Cho Yong Ho Shim Bong Gyou Lee

The purpose of this study is to suggest direction for future study of the energy-IT industry that will be used for framework to increase IT utilization in the energy industry. Recently, Green IT is a becoming global issue because of global environmental pollution. Also, IT roles in energy industry are becoming more important. However, the related studies were IT industry oriented that is not su...

2013
Etienne Labussière Serge Dubois Jaap van Milgen Jean Noblet

In growing pigs, the feed cost accounts for more than 60% of total production costs. The determination of efficiency of energy utilization through calorimetry measurements is of importance to sustain suitable feeding practice. The objective of this paper is to describe a methodology to correct daily heat production (HP) obtained from measurements in respiration chamber for the difference in ene...

Journal: :The British journal of nutrition 1994
G C Emmans

An energy system is described in which, in both single-stomached and ruminant animals, the heat increment of feeding is considered to be linearly related to five measurable quantities. For both kinds of animals three of the quantities, with their heat increments in parentheses, are urinary N (wu; kJ/g), faecal organic matter (wd; kJ/g) and positive protein retention (wp; kJ/g). In ruminants the...

Journal: :IEEE transactions on green communications and networking 2021

Virtual Data Center (VDC) embedding has drawn significant attention recently because of the growing need for efficient and flexible means (DC) resource allocation. Existing studies on VDC mainly focus improving DCs' utilization. However, an important problem that not been considered in solutions is creation hot spots by excessive heat dissipation air generation from racks DCs, which have advers...

Journal: :Biophysical chemistry 2003
Nieves Barros Sergio Feijóo

In this work, a method is proposed to quantify the efficiency of carbon utilization by soil microbes. Microcalorimetry was used to compute the heat yield (Y(Q/X)) of six soil samples collected in the Amazon. A combined mass and energy balance is developed to quantify the enthalpy of the glucose oxidation reaction (Delta(r)H(s)) and the biomass yield (Y(X/S)) from the experimental values of Y(Q/...

2012
Jin Kyung Park Ji Yeon Cho Yong Ho Shim Bong Gyou Lee

The purpose of this study is to suggest direction for future study of the energy-IT industry that will be used for framework to increase IT utilization in the energy industry. Recently, Green IT is a becoming global issue because of global environmental pollution. Also, IT roles in energy industry are becoming more important. However, the related studies were IT industry oriented that is not su...

Today coal is among the most important energy sources. In order to meet the world's energy demands, low-calorie lignite with a high ash content is generally used in the large capacity coal-fired thermal power plants. As a result of coal firing, wastes such as fly ash, slag, and flue gas are also produced. Subsequently, toxic trace elements within coal are transferred to wastes such as slag, fl...

2005

An energy system is described in which, in both single-stomached and ruminant animals, the heat increment of feeding is considered to be linearly related to five measurable quantities. For both kinds of animals three of the quantities, with their heat increments in parentheses, are urinary N (wu; kJ/g), faecal organic matter (wd; kJ/g) and positive protein retention (wp; kJ/g). In ruminants the...

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