دانلود رایگان مقاله لاتین الگوریتم جستجوی سیستماتیک از سایت الزویر
عنوان فارسی مقاله:
الگوریتم جستجوی سیستماتیک برای پتانسیل حرارتی سیستم های ذخیره انرژی
عنوان انگلیسی مقاله:
Systematic search algorithm for potential thermochemical energy storage systems
سال انتشار : 2016
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مقدمه انگلیسی مقاله:
1. Introduction
Research on the topic of thermochemical energy storage (TCES) has experienced an increased perception in the last few years. This is primarily driven by the possibility to reduce CO2 emission by energy savings in buildings and industrial sectors and reducing waste thermal energy on a national and continental scale [1]. In this context TCES is of special interest due to is applicability in a wide temperature range and for a variety of applications. The International Energy Agency (IEA) distinguishes three temperature levels for heat: low (<100 C), medium (100–400 C) and high (>400 C) [2]. The low temperature level represents the typical household application. There, TCES can be used for heating and cooling, often in combination with solar energy [3]. The medium temperature level comprises mainly waste heat sources from industrial applications, which are a major cause of energy inefficiency [4]. Waste heat occurs when heat is used within production processes either in form of process steam or in fired furnaces [5]. In electricity production about 66% of the total primary energy input are lost during the conversion from heat to electricity [6]. A higher conversion rate to electricity is hampered by the comparably low efficiency of the available processes (e.g. hthe energy efficiency of the organic rankine cycle (ORC) process at the cement plant in Lengfurt, Germany, is at only 12.8% [7]). The use of waste heat as heat itself is often not possibly due to the fact that supply and demand cannot be matched temporally or the distances between producer and customer are too large [8]. TCES can be used to improve the energy efficiency of processes, by bridging the temporal and/or spacial gap between the producer of waste heat and potential consumer (e.g. from the heat production site to a local heating district or in a batch process, from the cool down of one cycle to the heat up of the next) [9].
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کلمات کلیدی:
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