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Source : EDP Sciences

Sustainability of higher educational buildings

Aboulnaga, Mohsen et al. 

Despite greenhouse gases (GHG) emissions of Egypt represent nearly 1 percent of the World's GHG emissions, but according to IPCCC, Egypt is one of the nations that will be heavily affected by the impact of climate change risks. The global CO2 emissions from different sectors, buildings are forming ...

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Source : EDP Sciences

Economic evaluation of small wind turbines and hybrid systems for residential use

Predescu, Mihail 

Renewable electricity generating systems are gaining ground in residential sector for the purpose of diminishing the electricity bills or to reaching some degree of energy independence. The decision to invest in small wind turbines or hybrid energy generation technologies should be based on an ...

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Source : EDP Sciences

Study on garbage disposal mode with low energy consumption for villages and towns in cold region

Ma, Yi et al. 

Through field research of typical villages and towns in China's northern cold region, this paper research energy consumption and resource recovery in the process of village and town garbage collection and disposal and organizes current situation and problems of village and town garbage collection ...

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Source : EDP Sciences

Feasibility study of a hybrid plants (photovoltaic–LPG generator) system for rural electrification

Adouane, Mabrouk et al. 

The present study investigates the possibility of using a stand-alone photovoltaic/LPG (liquid petroleum gas) generator hybrid power system for low-cost electricity production which can satisfy the energy load requirements of a typical remote and isolated rural area. In this context, the optimal ...

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Source : EDP Sciences

Estimating solar irradiation in the Arctic

Babar, Bilal et al. 

Solar radiation data plays an important role in pre-feasibility studies of solar electricity and/or thermal system installations. Measured solar radiation data is scarcely available due to the high cost of installing and maintaining high quality solar radiation sensors (pyranometers). Indirect ...

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Source : EDP Sciences

Anti-reflection coated spectrally selective carbon nanotube solar absorbers

Chen, Zhonghua et al. 

Multi-walled carbon nanotube (MWCNT) solar absorbers on aluminium substrates have been prepared by electrophoresis. The MWCNT absorbers exhibit a good spectral selectivity over the visible and infrared wavelengths. However, to further enhance the solar absorption, an anti-reflection coating made ...

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Source : EDP Sciences

Installation of potable water supply and heat supply at base of subsoil water

Denysova, Alla Evseevna et al. 

Removal of groundwater with further use of it for potable water supply and heat supply with the use of heat pump is an important problem. A new revolutionary approach to the decision of energy and water saving that provides rational accommodation of groundwater boreholes ensuring the required flow ...

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Source : EDP Sciences

Dynamic thermal performance analysis of two solar air collectors with and without porous media

Abed, Qahtan A. et al. 

The paper presents the thermal performance comparison between two types of solar air collectors, with and without porous absorber material. In order to simulate the transient processes which occur in the collectors two mathematical models were developed. Each model consists of a set of time ...

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Source : EDP Sciences

Effect of variable heat input on the heat transfer characteristics in an Organic Rankine Cycle system

Aboaltabooq, Mahdi Hatf Kadhum et al. 

This paper analyzes the heat transfer characteristics of an ORC evaporator applied on a diesel engine using measured data from experimental work such as flue gas mass flow rate and flue gas temperature. A mathematical model was developed with regard to the preheater, boiler and the superheater zones ...

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Source : EDP Sciences

Monitoring of a flat plate solar thermal field supplying process heat

Cozzini, Marco et al. 

The article reports the performance data of a flat plate collector field installed in Austria and supplying process heat to a meat factory, up to a temperature of about 95 °C. The presented data span an entire year, thereby including seasonal effects and allowing for a full characterization of ...

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