:: Volume 6, Issue 2 (8-2019) ::
تبدیل انرژی 2019, 6(2): 7-12 Back to browse issues page
شبیه سازی و بررسی عددی تاثیر سوخت بیودیزل و بازخورانی گازهای خروجی با نرخ پایین بر روی عملکرد و آلایندگی در موتورهای دیزل دریایی
Abstract:   (460 Views)
In this paper, first the performance of the present Four-stroke, 6-cylinder and in-Line marine diesel engine with direct fuel injection system and compression ratio 14.8 and turbocharger pressure ratio 3.4, is simulated and validated in Diesel-RK software and then performances of various biodiesel fuels; B20 SME, B40 SME, B100 SME and Diesel No.2 are compared and due to 13.61% reduction of Bosch Smoke Number and only 2.46% reduction of engine power; B20 SME is sugested as the best alternative  biodiesel fuel for common diesel fuels. Also with surveying the effect of the exhaust gas recirculation system, results show that 5% exhaust gas recirculation could prevent up to 39% of  NOX production per cycle, so for minimum pollutants emission of Marine Diesel engines, the use of EGR system is recommended.
Keywords: Diesel Engine, Biodiesel, EGR
Full-Text [PDF 920 kb]   (124 Downloads)    
Type of Study: Research | Subject: سایر (برق، عمران، معماری، هیدرولیک، ماشین آلات کشاورزی، ساخت و تولید، متالوژی، ریاضی، فیزیک، شیمی و ...)
Received: 2017/04/11 | Accepted: 2017/07/16 | Published: 2019/09/17

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Volume 6, Issue 2 (8-2019) Back to browse issues page