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	Provedor de dados CIGR Journal (2) Autor Ahmadian, Hossein (1) Ghobadian, B. (1) Ghobadian, Barat (1) Hassan-Beygi, Seyed Reza (1) Hassan-beygi, S. R. (1) Heidary, Bahareh (1) Taghizadeh, A. (1) Mais... Palavra-chave Power tiller (2) 1/3rd octave (1) Diesel-Biodiesel fuel blends (1) Exposure limits (1) Frequency domain (1) Iran (1) Operator (1) Time domain (1) Vibration (1) Vibration analysis (1) Mais... Tipo do documento Info:eu-repo/semantics/article (2) Ano 2014 (1) 2013 (1) País China (2) Idioma Inglês (2)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 2 Primeira ... 1 ... Última Vibration analysis of a small diesel engine using diesel-biodiesel fuel blends CIGR Journal Heidary, Bahareh; Hassan-beygi, S. R.; Ghobadian, B.; Taghizadeh, A.. Biodiesel as an environmentally friendly fuel has the potential to provide comparable engine performance results.  Biodiesel is a renewable fuel produced from vegetable and seed oils, animal fats or waste edible oils.  Sound and vibration caused by the combustion process in the engine might have direct effects on users.   One of the important characteristics of diesel fuels is high noise and vibration.  The present study was carried out to examine the vibration of different diesel-biodiesel fuel blends in power tiller engine.  The main goal was to present fuels with the minimum vibration.  So, the time domain signals were analyzed in five levels of engine speed, three axes and six fuel blends on the engine.  The signal processing and statistical approach... Tipo: Info:eu-repo/semantics/article Palavras-chave: Vibration analysis; Power tiller; Time domain; Frequency domain; Diesel-Biodiesel fuel blends. Ano: 2013 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/2475 Investigating a Power tiller Handle and Seat Vibration on Transportation mode CIGR Journal Ahmadian, Hossein; Hassan-Beygi, Seyed Reza; Ghobadian, Barat. In this paper, vibration a power tiller vibration was investigated at handle position as well as seat position of a trailer pulled by the power tiller. The experiments were conducted at five levels of engine speed, four levels of transmission gear ratio during transportation, and in three directions. Then the weighted 1/3rd octave spectrum was calculated from the narrow band vibration acceleration signals. The amount of vibration damage on operator's body and allowable exposure limits were calculated based on ISO standards. The results showed that the vibration increased with increasing the engine speed for all the gear ratios and directions. The magnitude of vibration was the greatest at vertical direction in all the experiments. The vibration allowable... Tipo: Info:eu-repo/semantics/article Palavras-chave: Vibration; Operator; Power tiller; 1/3rd octave; Exposure limits; Iran. Ano: 2014 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/2983 Registros recuperados: 2 Primeira ... 1 ... Última

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