نتایج جستجو برای: renewable energy resources

تعداد نتایج: 918714  

2017
Carlo Andrea Bollino Francesco Asdrubali Paolo Polinori Simona Bigerna Silvia Micheli Antonella Rotili

The paper presents recent and future trends of the world energy market, as highlighted by mediumand long-term projections. Energy demand and energy consumptions projected by IEA (International Energy Agency) are examined, in comparison with projections provided by other international agencies and companies in the energy sector. In particular, energy resources, energy consumption and economic gr...

Climate change and the increasing population of countries have made the importance of greenhouses more important for future food security. One of the most important considerations in greenhouse production is the need of energy to create suitable greenhouse conditions. Therefore, in this paper, the problem of greenhouse energy planning with a focus on renewable energies will be investigated. To ...

حسن زاده اول, فاطمه, رضوانی مقدم, پرویز,

Current conventional agricultural systems using intensive energy have to be revitalized through new integrated approaches relying on renewable energy resources, which can allow farmers to stop dependence on fossil resources. The aim of this study was determining the amount of input–output energy used in onion (Allium cepa L.) production in Khorasan Razavi province. For this purpose, the data wa...

Journal: :Renewable and Sustainable Energy Reviews 2009

Journal: :international journal of smart electrical engineering 2015
abolfazl aghasi

concerns related to climate change and security of energy supply is pushing various countries to make strategic energy planning decisions. in this regard, energy system modelling is an appropriate method to find out the utilization of current declining non-renewable energy resources and other possible scenarios. consequently, it is available to consider various aspects of energy system decision...

2015
Matthew Dornan

Small Island Developing States (SIDS) of the Pacific over the last decade have established some of the most ambitious renewable energy targets in the world. The promotion of renewable energy has been motivated by a desire to lessen dependence on fossil fuels, given the adverse economic impacts of high oil prices on these countries. Efforts to attract development assistance and to strengthen the...

2016
Jean-François Mercure Pablo Salas

A model is presented in this work for simulating endogenously the evolution of the marginal costs of production of energy carriers from non-renewable resources, their consumption, depletion pathways and timescales. Such marginal costs can be used to simulate the long term average price formation of energy commodities. Drawing on previous work where a global database of energy resource economic ...

2012
Mark T. Brown Daniel E. Campbell Shu-Li Huang Enrique Ortega David Tilley Sergio Ulgiati Daniel A. Bergquist

Cities are increasingly challenged in sustaining their growing populations with food. As fossil energy reserves are depleted, the sustainability of food production is highly dependent on the ability to yield more food relative to resource use. In preparing cities for peak oil, urban food systems are therefore needed that make better use of local and renewable resources, as opposed to imported a...

1998

Battery energy storage can be integrated with renewable energy generation systems in either grid-connected or standalone applications. For stand-alone systems, batteries are essential to store electricity for use when the sun is not shining or when the wind is not blowing. For grid-connected systems, batteries add value to intermittent renewable resources by facilitating a better match between ...

2014
Antonio Campo Farrokh Sharifi Nastaran Hashemi

Using a significant quantity of fossil fuels has adverse impacts on our lives and will affect future generations. Additionally, there are limited and decreasing numbers of nonrenewable resources around the world. In contrast, renewable resources are not depleted and provide energy with negligible pollution. Wind energy is one of the more common renewable energy resources. This project aims to e...

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