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Performance assessment of a magnesium chloride saturated solar pond

Bozkurt, Ismail; Deniz, Sibel; Karakilcik, Mehmet; … - In: Renewable Energy 78 (2015) C, pp. 35-41

evaluation through energy and exergy efficiencies. The solar pond system is filled with magnesium chloride containing water to … the temperature sensors. The energy and exergy content distributions are determined for the heat storage zone and the non …-convective zone in August. The energy and exergy efficiencies of the solar pond are defined as a function of solar radiation and …

Persistent link: https://www.econbiz.de/10011208666

Energy and exergy efficiency comparison of horizontal and vertical axis wind turbines

Pope, K.; Dincer, I.; Naterer, G.F. - In: Renewable Energy 35 (2010) 9, pp. 2102-2113

In this paper, an energy and exergy analysis is performed on four different wind power systems, including both … variables are analyzed and the predicted results are discussed. The exergetic efficiency of each wind turbine is studied for …

Persistent link: https://www.econbiz.de/10010806983

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 … the selected group, the energy efficiency is determined. Data for five (5) buildings with similar characteristics were …. It considers energy consumption across selected office buildings in Barbados, typical of Caribbean architecture. By …

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

Shape optimisation of floating wave energy converters for a specified wave energy spectrum

Goggins, Jamie; Finnegan, William - In: Renewable Energy 71 (2014) C, pp. 208-220

Ocean wave energy is one of the world's most powerful forms of energy and the energy density in ocean waves is the … highest among renewable energy sources. Wave energy converters are employed to harness this energy and convert it into usable … electrical energy. However, in order to efficiently extract the energy, the wave energy converter must be optimised in the design …

Persistent link: https://www.econbiz.de/10010906492

A study of a water desalination station using the SMCEC technique: production optimisation

Ben Bacha, H; Bouzguenda, M; Damak, T; Abid, M.S; … - In: Renewable Energy 21 (2000) 3, pp. 523-536

Following the detailed study of the three modules of the Solar Multiple Condensation Evaporation Cycle (SMCEC)-based desalination unit located in Sfax, Tunisia, it was found necessary to couple the three modules, to simulate the desalination unit operation in an environment close to that of the...

Persistent link: https://www.econbiz.de/10010805574

Improvement of a district heating network through thermoeconomic approach

Adamo, L.; Cammarata, G.; Fichera, A.; Marletta, L. - In: Renewable Energy 10 (1997) 2, pp. 213-216

This paper reports a procedure to optimise district heating networks on the basis of second law analysis. The approach is derived from the exergonomic theory. A cost function has been set up and an iterative procedure was employed to determine the minimum value corresponding to the optimal pipe...

Persistent link: https://www.econbiz.de/10010805584

Modeling and scaling of the impulse turbine for wave power applications

Thakker, Ajit; Hourigan, Fergal - In: Renewable Energy 29 (2004) 3, pp. 305-317

This paper addresses the dimensional analysis of experimental data for the impulse turbine and the use of that data to create a model to predict the performance characteristics of any size of turbine under a range operating conditions. The model assumes that the performance of the turbine is a...

Persistent link: https://www.econbiz.de/10010806216

Evaluation and optimization of two stage sequential in situ transesterification process for fatty acid methyl ester quantification from microalgae

Kumar, Vikram; Muthuraj, Muthusivaramapandian; … - In: Renewable Energy 68 (2014) C, pp. 560-569

Chlorella sorokiniana FC6 IITG respectively with highest transesterification efficiency of 98.96%. Improved transesterification … efficiency of two stage DT was attributed to efficient destabilization of cell wall as confirmed by scanning electron microscopic …

Persistent link: https://www.econbiz.de/10010806526

The extended Betz–Lanchester limit

Cuerva, A.; Sanz-Andrés, A. - In: Renewable Energy 30 (2005) 5, pp. 783-794

of the power produced and the cost associated to the production of this energy. …

Persistent link: https://www.econbiz.de/10010803995

Combining solar photovoltaic panels and food crops for optimising land use: Towards new agrivoltaic schemes

Dupraz, C.; Marrou, H.; Talbot, G.; Dufour, L.; Nogier, A. - In: Renewable Energy 36 (2011) 10, pp. 2725-2732

solar radiation into both energy and food. The intrinsic efficiency of the photosynthetic process is quite low (around 3 … agricultural crops may be a source of renewable energy for the future. We question in this paper the best strategies to convert … of agriculture and energy harvesting) and two agrivoltaic systems with different densities of PV panels. We modelled the …

Persistent link: https://www.econbiz.de/10010804396

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