Numerical analysis of combustion and transient heat transfer processes in a two-stroke SI engine |
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| Authors: | F. Illán M. Alarcón |
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| Affiliation: | 1. Departamento de Ingeniería Térmica y de Fluidos, Universidad Politécnica de Cartagena, Campus de la Muralla del Mar, 30202 Cartagena, Spain;2. Departamento Mixto, Universidad de Murcia, Campus de Espinardo, 30100 Murcia, Spain;1. Department of Mathematics, American International University-Bangladesh, Dhaka, Bangladesh;2. Fluid Mechanics, Spray Research Group, Petroleum and Gas Engineering Division, Room G77, Newton Building, School of Computing, Science and Engineering (CSE), University of Salford, M54WT, UK;3. Department of Mathematical Sciences, Ball State University, 2000 W University Avenue, Muncie, IN 47306, USA;4. School of Mathematical Sciences, Universiti Sains Malaysia, Penang 11800, Malaysia;1. Department of Mechanical Engineering, University of Bath, BA2 7AY Bath, UK;2. LUNAM Université, École Centrale de Nantes, LHEEA UMR CNRS 6598, 1 rue de la Noë, BP 92101, 44321 Nantes Cedex 3, France;1. Department of Mechanical Engineering, Technical University of Denmark, Nils Koppels Allé Building 404, 2800 Kgs. Lyngby, Denmark;2. MAN Diesel & Turbo SE, Teglholmsgade 41, 2450 Kbh. SV, Denmark;3. Chair of Computational Science, ETH Zürich, Clausiusstrasse 33 ETH-Zentrum, CLT F 11, CH-8092 Zürich, Switzerland;1. CMT-Motores Térmicos, Universitat Politècnica de València, Camino de Vera, s/n, 46022 Valencia, Spain;2. Renault SAS, Technocentre 1, Avenue du Golf, 78288 Guyancourt, France |
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| Abstract: | A zero-dimensional model is presented to simulate the transient processes occurring within a two-stroke SI engine. A two zone combustion model, with a spherically expanding flame front originating from the spark location, is applied. The model is numerically solved using the network simulation model which allows coupling the combustion model with a heat transfer model where both radiant and convective heat contributions have been taken into account for the in-cylinder gases. The boundary conditions for this model are the convective heat transferred to the cooling medium. A gas mixture model has been used to obtain the influence of working fluid properties on combustion development. |
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