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Quantifying the yield of perennial grasses grown as a biofuel for energy generation

Christian, D.G. - In: Renewable Energy 5 (1994) 5, pp. 762-766

Combustible biomass fuels may be produced on set-aside land by growing crops that produce a heavy yield of dry matter. Two promising candidate species are Miscanthus and Switchgrass. Establishment of both species was slow and weeds may cause problems. Yields were low because of the short growing...

Persistent link: https://www.econbiz.de/10010804788

Performance optimization of a photovoltaic induction motor pumping system

Betka, A; Moussi, A - In: Renewable Energy 29 (2004) 14, pp. 2167-2181

by the optimization of the motor efficiency is described in this paper. The results obtained are compared with those of … efficiency and the simplicity of implementation provided by the system with constant airgap flux. …

Persistent link: https://www.econbiz.de/10010803770

Use of vegetable oil as fuel to improve the efficiency of cooking stove

Natarajan, R.; Karthikeyan, N.S.; Agarwaal, Avinash; … - In: Renewable Energy 33 (2008) 11, pp. 2423-2427

modifications have been made in the kerosene stove for use with vegetable oil as fuel. The efficiency of the stove using vegetable … bottom vessel is used. Corresponding efficiency increase is also observed with other vessels. …

Persistent link: https://www.econbiz.de/10010803771

Feasibility study of photovoltaic technology in Qatar

Marafia, A.-Hamid - In: Renewable Energy 24 (2001) 3, pp. 565-567

estimated using weather data for Qatar. A sensitivity analysis was carried out on some factors: installation capital cost …, conversion efficiency and discount rate. The study indicates that, at the present time, PV stations are not economically feasible …

Persistent link: https://www.econbiz.de/10010804041

Outdoor exposure tests of photovoltaic modules in Japan and overseas

Ikisawa, Masakatsu; Nakano, Akihiko; Igari, Sanekazu; … - In: Renewable Energy 14 (1998) 1, pp. 95-100

In order to evaluate the reliability and performances of photovoltaic (PV) modules, it is of importance to reveal the characteristics of PV modules in actual use conditions. Outdoor exposure tests of PV modules have been conducted at some sites in Japan and Australia. The purpose of these tests...

Persistent link: https://www.econbiz.de/10010804160

Experimental investigation on the effect of channel width on flexible rubber blade water wheel performance

Paudel, Shakun; Linton, Nick; Zanke, Ulrich C.E.; … - In: Renewable Energy 52 (2013) C, pp. 1-7

described and the experimental results are shown. Results show significant improvement in power output and efficiency in reduced …

Persistent link: https://www.econbiz.de/10010804239

Performance evaluation of a direct drive wave energy converter using CFD

Zullah, Mohammed Asid; Lee, Young-Ho - In: Renewable Energy 49 (2013) C, pp. 237-241

modelled with the k–e model. Simulation result shows that the water velocity, differential pressure, and the best efficiency …

Persistent link: https://www.econbiz.de/10010804510

Experimental investigation on the heat and mass transfer between air and liquid desiccant in a cross-flow dehumidifier

Gao, W.Z.; Liu, J.H.; Cheng, Y.P.; Zhang, X.L. - In: Renewable Energy 37 (2012) 1, pp. 117-123

Dehumidifier is the core component in a liquid desiccant air-conditioning system, whose efficiency directly affects the … packing were used. Enthalpy efficiency and moisture efficiency were adopted to describe the heat and mass transfer performance … investigated, and efficiency comparison in different air outlet regions was also carried out, as well as influence of packing …

Persistent link: https://www.econbiz.de/10010804540

Thermal model and thermodynamic performance of molten salt cavity receiver

Li, Xin; Kong, Weiqiang; Wang, Zhifeng; Chang, Chun; … - In: Renewable Energy 35 (2010) 5, pp. 981-988

The design of a global steady-state thermal model of a 100kWt molten salt cavity receiver was developed as part of the key project of the Ministry of Science and Technology of People's Republic of China (MOST). In the design process, the following factors were analyzed: receiver area, heat loss...

Persistent link: https://www.econbiz.de/10010804694

Solar still with vapor adsorption basin: Performance analysis

Kannan, R.; Selvaganesan, C.; Vignesh, M.; Babu, B. Ramesh - In: Renewable Energy 62 (2014) C, pp. 258-264

In this work, a vapor adsorption type solar still was designed, fabricated and tested at Thiagarajar College of Engineering, Madurai, India. A vapor adsorbent pipe network comprising activated carbon–methanol pair was integrated with the basin. Losses from the bottom of the still are...

Persistent link: https://www.econbiz.de/10010804716