نتایج جستجو برای: renewable energy resource

تعداد نتایج: 870926  

Renewable energy types such as solar, wind or geothermal energy have been increasingly considered by different countries over the last few years in order to diversify power sources, reduce dependence on one single of energy, and achieve sustainable energy. On the other hand, rising prices of fossil fuels and the fact that they are finite, environmental pollution and evolution of the related tec...

Journal: :international journal of advanced biological and biomedical research 2013
ashkan nabavi-pelesaraei ahmad sadeghzadeh mir hossein payman hassan ghasemi mobtaker

the objectives of this research were to investigate influences of energy inputs and energy forms on output levels and evaluation of co2 emissions for hazelnut production in guilan province of iran. moreover, the sensitivity analysis was done by marginal physical productivity (mpp) method for energy inputs and energy using linear regression. initial data were collected from 120 orchardists in se...

2009
Balasubramanya Bhat Frank Mueller

The Future Renewable Electric Energy Delivery and Management (FREEDM) project aims at providing an efficient electric power grid integrating alternative generating sources and storage with existing power systems to facilitate a green energy in a highly distributed and scalable manner. One of the central aspects of the Reliable and Secure Communication (RSC) subthrust within the FREEDM system is...

ژورنال: انرژی ایران 2018

Energy as a geopolitical factor has gained a special occasion in power games of the world and access to energy resources has become a strategic importance for all levels of hierarchy of global power. Hormozgan province is one of the industrial provinces of Iran and this subject has caused to has been growing energy consumption in the province. Limited fossil energy resources and the problems of...

Journal: :Energy Strategy Reviews 2022

Renewable energy development can enable climate-compatible growth in low- and middle-income countries, particularly given the substantial opportunities for export to high-income countries seeking decarbonise their systems. However, this also comes with significant risks, including potential trigger a resource curse of adverse social, environmental, economic effects resulting paradoxically slowe...

Journal: :amirkabir international journal of electrical & electronics engineering 2015
a. shahmoradi m. kalantar

this paper presents a formulation of unit commitment for thermal units integrated with wind and solar energy systems and electrical vehicles with emphasizing on mixed integer nonlinear programming (minlp). the renewable energy resources are included in this model due to their low electricity cost and positive effect on environment. as well as, coordinated charging strategy of electrical vehicle...

2013
V. Arulalan

The rapid growth of renewable energy utilization and the immense potential for future use dictates a need to seriously consider the reliability of supply that can be obtained in addition to the associated cost benefits that can be achieved. Wind power is being adapted the world over as the most efficient power generation source that does not cause greenhouse emissions. With the raising concerns...

Journal: :international journal of smart electrical engineering 2013
mohammad sarvi mohammad parpaei

nowadays the position of the renewable energy is so important because of the environment pollution and the limitation of fossil fuels in the world. energy can be generated more and more by the renewable sources, but the fossil fuels are non-renewable. one of the most important renewable sources is the wind energy. the wind energy is an appropriate alternative source of fossil fuel. the replacem...

Journal: :محیط شناسی 0
داوود منظور دانشیار دانشکدۀ اقتصاد، دانشگاه امام صادق مجید فرمد دکتر مهندسی برق، دانشگاه تهران، دانشکدۀ مهندسی برق وحید آریان پور کارشناس ارشد انرژی، دانشگاه صنعتی شریف، دانشکدۀ مکانیک احسان الدین شفیعی دکتر مکانیک، دانشگاه صنعتی شریف، دانشکدۀ مهندسی مکانیک

introduction despite the abundant renewable energy sources, the iranian energy sector relies almost entirely on fossil fuel energy resources. power sector is dominant source of co2emissions and responsible for about 35% of total co2 emissions in the country. additionally, long-term electricity demand of iran is expected to grow quickly, which in turn requires extensive investment to meet the gr...

Journal: :بوم شناسی کشاورزی 0
ابوالفضل برومند محمد حسین آق خانی حسن صدرنیا

abstract the aim of this survey is to compare utilization systems (cooperative, private and governmental) methods of energy consumption in soybean production and the evaluation of energy inputs effect in yield of soybean in moghan. for this purpose, the information were collected from 54 private farmers, 14 cooperative members farmers and 14 agro-industry units by questionnaire method. the maxi...

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  • "; pgn_html+=pgn_li; } document.getElementById("pgn-ul").innerHTML=pgn_html var pgn_links = document.querySelectorAll('.mypgn'); pgn_links.forEach(function(pgn_link) { pgn_link.addEventListener('click', paginate) }) } function post_and_fetch(data,url) { showLoading() xhr = new XMLHttpRequest(); xhr.open('POST', url, true); xhr.setRequestHeader('Content-Type', 'application/json; charset=UTF-8'); xhr.onreadystatechange = function() { if (xhr.readyState === 4 && xhr.status === 200) { var resp = xhr.responseText; resp_json=JSON.parse(resp) resp_place = document.getElementById("search_result_div") resp_place.innerHTML = resp_json['results'] search_meta = resp_json['meta'] update_search_meta(search_meta) update_pagination() hideLoading() } }; xhr.send(JSON.stringify(data)); } function unfilter() { url=/search_year_filter/ var term=document.getElementById("search_meta_data").dataset.term var data={ "year":"unfilter", "term":term, "pgn":1 } filtered_res=post_and_fetch(data,url) } function deactivate_all_bars(){ var yrchart = document.querySelectorAll('.ct-bar'); yrchart.forEach(function(bar) { bar.dataset.active = false bar.style = "stroke:#71a3c5;" }) } year_chart.on("created", function() { var yrchart = document.querySelectorAll('.ct-bar'); yrchart.forEach(function(check) { check.addEventListener('click', checkIndex); }) }); function checkIndex(event) { var yrchart = document.querySelectorAll('.ct-bar'); var year_bar = event.target if (year_bar.dataset.active == "true") { unfilter_res = unfilter() year_bar.dataset.active = false year_bar.style = "stroke:#1d2b3699;" } else { deactivate_all_bars() year_bar.dataset.active = true year_bar.style = "stroke:#e56f6f;" filter_year = chart_data['labels'][Array.from(yrchart).indexOf(year_bar)] url=/search_year_filter/ var term=document.getElementById("search_meta_data").dataset.term var data={ "year":filter_year, "term":term, "pgn":1 } filtered_res=post_and_fetch(data,url) } } function showLoading() { document.getElementById("loading").style.display = "block"; setTimeout(hideLoading, 10000); // 10 seconds } function hideLoading() { document.getElementById("loading").style.display = "none"; } -->