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Slipstream between marine current turbine and seabed

Chen, Long; Lam, Wei-Haur - In: Energy 68 (2014) C, pp. 801-810

. The authors investigated the slipstream between the seabed and the marine current turbine via OpenFOAM. The axial …

Persistent link: https://www.econbiz.de/10010810515

Emission characteristics of diesel engine operating on rapeseed methyl ester

Nwafor, O.M.I - In: Renewable Energy 29 (2004) 1, pp. 119-129

Biofuels are being investigated as potential substitutes for current high pollutant fuels obtained from the conventional sources. In the past, fuels were generally selected on the basis of lowest cost relating to the requirements of the engine, and no attention was given to the possible effects...

Persistent link: https://www.econbiz.de/10010803990

Application of bioethanol/RME/diesel blend in a Euro5 automotive diesel engine: Potentiality of closed loop combustion control technology

Guido, Chiara; Beatrice, Carlo; Napolitano, Pierpaolo - In: Applied Energy 102 (2013) C, pp. 13-23

The latest European regulations require the use of biofuels by at least 10% as energy source in transport by 2020. This goal could be reached by means of the use of different renewable fuels; bioethanol (BE) is one of the most interesting for its low production cost and availability. BE usually...

Persistent link: https://www.econbiz.de/10010602951

Technologies for energetic exploitation of biodiesel chain derived glycerol: Oxy-fuels production by catalytic conversion

Beatrice, Carlo; Di Blasio, Gabriele; Lazzaro, Maurizio; … - In: Applied Energy 102 (2013) C, pp. 63-71

The paper describes the results of a co-operative research project aimed at the energetic exploitation of the biodiesel … an oxygenated fuel additive (glycerol alkyl–ether) suitable for blending with diesel and biodiesel. …

Persistent link: https://www.econbiz.de/10010603018

Biodiesel improves lubricity of new low sulphur diesel fuels

Muñoz, M.; Moreno, F.; Monné, C.; Morea, J.; … - In: Renewable Energy 36 (2011) 11, pp. 2918-2924

In this work, biodiesel from waste vegetable oil was used as an additive in low sulphur diesel fuel in automobile … mixtures complied with lubricity conditions established by European regulations, even when only a small quantity of biodiesel … and biodiesel. The results showed that engine performance curves were very similar to those obtained with diesel fuel and …

Persistent link: https://www.econbiz.de/10011045772

Drag-type cross-flow water turbine for capturing energy from the orbital fluid motion in ocean wave

Akimoto, Hiromichi; Tanaka, Kenji; Kim, Yong Yook - In: Renewable Energy 76 (2015) C, pp. 196-203

Since the energy of ocean wave exists mostly near the water surface and decreases exponentially with depth, the resource of wave energy is measured in the line density unit (kW/m). Therefore, in the scaling up of a wave energy converter, the captured wave energy increases slowly in proportion to...

Persistent link: https://www.econbiz.de/10011189970

Improved actuator surface method for wind turbine application

Kim, Taewoo; Oh, Sejong; Yee, Kwanjung - In: Renewable Energy 76 (2015) C, pp. 16-26

The purpose of this study was to develop an improved actuator surface model for wind turbine analyses. A new actuator surface model based on the lifting line theory has been suggested to eliminate the unexpected induced velocity due to the circulation, as well as to estimate the span-wise and...

Persistent link: https://www.econbiz.de/10011189976

On the effect of bed condition on the development of tsunami-induced loading on structures using OpenFOAM

Douglas, Steven; Nistor, Ioan - In: Natural Hazards 76 (2015) 2, pp. 1335-1356

In this study, a multiphase three-dimensional numerical model using the volume of fluid method is applied to investigate tsunami-like bores propagating over dry and wet flume beds and their interaction with a structural model. Physical results from a set of laboratory experiments conducted at...

Persistent link: https://www.econbiz.de/10011241177

Stoffstromanalyse des deutschen Biokraftstoffsektors für das Jahr 2007

Strohm, Kathrin - 2010

Dieser Arbeitsbericht analysiert die Stoffströme des deutschen Biokraftstoffsektors für das Jahr 2007. Zahlreiche Statistiken wurden ausgewertet, um prozentuale Aussagen treffen zu können wie viel Rohstoffe in die Biokraftstoffproduktion und weitere energetische Verwendungen floss im...

Persistent link: https://www.econbiz.de/10010302608

The value of switching inputs in a biodiesel production plant

Brandão, Luiz Eduardo Teixeira; Penedo, Gilberto Master; … - In: The European journal of finance 19 (2013) 7/8, pp. 674-688

Persistent link: https://www.econbiz.de/10010244742

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