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A new combined cooling, heating and power system driven by solar energy

Wang, Jiangfeng; Dai, Yiping; Gao, Lin; Ma, Shaolin - In: Renewable Energy 34 (2009) 12, pp. 2780-2788

A new combined cooling, heating and power (CCHP) system is proposed. This system is driven by solar energy, which is … of hour angle and the slope angle of the aperture plane for the solar collectors on the system performance are examined …. Parametric optimization is conducted by means of genetic algorithm (GA) to find the maximum exergy efficiency. It is shown that …

Persistent link: https://www.econbiz.de/10011045159

Advances in liquid based photovoltaic/thermal (PV/T) collectors

Daghigh, R.; Ruslan, M.H.; Sopian, K. - In: Renewable and Sustainable Energy Reviews 15 (2011) 8, pp. 4156-4170

In order to get more power and heat from PV/T system, it is necessary to cool the PV cell and decrease its temperature. This is not an easy task especially in hot and humid climate areas. There is a lack of an effective cooling strategy of PV/T panels. The liquid based photovoltaic thermal...

Persistent link: https://www.econbiz.de/10010577202

Nanofluids for improved efficiency in cooling solar collectors – A review

Al-Shamani, Ali Najah; Yazdi, Mohammad H.; Alghoul, M.A.; … - In: Renewable and Sustainable Energy Reviews 38 (2014) C, pp. 348-367

the effects of nanofluids on the performance of solar collectors from the considerations of efficiency and environmental … thermal systems. The second part of this paper presents an overview of the research, performance, and development of …, and simulation and experimental works. The parameters affecting PV/T performance such as covered versus uncovered PV …

Persistent link: https://www.econbiz.de/10010906651

Fuel properties, engine performance and emission characteristic of common biodiesels as a renewable and sustainable source of fuel

Arbab, M.I.; Masjuki, H.H.; Varman, M.; Kalam, M.A.; … - In: Renewable and Sustainable Energy Reviews 22 (2013) C, pp. 133-147

The energy security concern has been established as an alarming issue in context of petro diplomacy now-a-days. Global …-toxic and less polluting. This paper is comprised of fuel properties, engine performance and emission characteristics of … improve engine performance and emission characteristics using different biodiesels and their blends as well. This paper …

Persistent link: https://www.econbiz.de/10010664462

Simulation of HVAC systems

Lebrun, J. - In: Renewable Energy 5 (1994) 5, pp. 1151-1158

Very powerful simulation softwares are available today. They should allow rational choices from early design stages, among many different alternatives. When using such tools, the bottle neck is no more on computer side but in the modelling. Better and better compromises have always to be found...

Persistent link: https://www.econbiz.de/10010806408

Energy consumption in typical Caribbean office buildings: A potential short term solution to energy concerns

Edwards, Erwin Elliot; Iyare, O.S.; Moseley, L.L. - In: Renewable Energy 39 (2012) 1, pp. 154-161

This paper examines the feasibility of energy efficiency as a short term solution to the Caribbean’s energy problems …. It considers energy consumption across selected office buildings in Barbados, typical of Caribbean architecture. By … comparing their energy consumption to that of the energy consumption for the building with the “best observable” consumption in …

Persistent link: https://www.econbiz.de/10011044301

Does planning pay to perform in infraestructure? Deconstructing the babylon tower on planning/ Performance relationships in energy, telecomunications and transport sectors – colomb...

GRACIA, Daniel TORRES - DEPARTAMENTO NACIONAL DE PLANEACIÓN - 2002

public infrastructure for Energy, Telecommunications and Transport sectors in Colombia. Performance is evaluated through the … process with performance of the infrastructure sub-sectors in which they have been applied. Three planning characteristics are … transformation of series of indicators on financial, physical and operational fields, into an Annual Average Performance (AAP). The …

Persistent link: https://www.econbiz.de/10010889021

The Use of Intermediate Management Balances as a Performance Management Tool in Electricity Companies

DUMITRU, Mihaela; TAICU, Marian; SAVOIU, Gheorghe - In: Romanian Statistical Review Supplement 62 (2014) 1, pp. 24-35

results are made based on intermediate balances of administration. The analysis of the company performance based on …

Persistent link: https://www.econbiz.de/10010782044

Benchmarking as a strategic policy tool for energy management

Rienstra, Sytze A.; Nijkamp, Peter - In: International Journal of Global Energy Issues 17 (2002) 4, pp. 341-359

In this paper, we analyse to what extent benchmarking is a valuable tool in strategic energy policy analysis. First … benchmarking, results are presented from a pilot study in the energy distribution sector. The paper is concluded by identifying key …

Persistent link: https://www.econbiz.de/10008539207

Benchmarking as a strategic policy tool for energy management

Rienstra, Sytze A.; Nijkamp, Peter - In: International Journal of Global Energy Issues 17 (2002) 4, pp. 341-359

Persistent link: https://www.econbiz.de/10005233080