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Title: Numerical Investigation of Fluid Flow and In-Cylinder Air Flow Characteristics for Higher Viscosity Fuel Applications
Authors: Hamid M.F.
Idroas M.Y.
Sa'ad S.
Heng T.Y.
Mat S.C.
Alauddin Z.A.Z.
Shamsuddin K.A.
Shuib R.K.
Abdullah M.K.
Issue Date: 2020
Publisher: Processes
Citation: Hamid, M.F., Idroas, M.Y., Sa'ad, S., Heng, T.Y., Mat, S.C., Alauddin, Z.A.Z., Shamsuddin, K.A., Shuib, R.K., Abdullah, M.K. Numerical investigation of fluid flow and in-cylinder air flow characteristics for higher viscosity fuel applications (2020) Processes, 8 (4). DOI: 10.3390/PR8040439
Abstract: Generally, the compression ignition (CI) engine that runs with emulsified biofuel (EB) or higher viscosity fuel experiences inferior performance and a higher emission compared to petro diesel engines. The modification is necessary to standard engine level in order to realize its application. This paper proposes a guide vane design (GVD), which needs to be installed in the intake manifold, is incorporated with shallow depth re-entrance combustion chamber (SCC) pistons. This will organize and develop proper in-cylinder airflow to promote better diffusion, evaporation and combustion processes. The model of GVD and SCC piston was designed using SolidWorks 2017; while ANSYS Fluent version 15 was utilized to run a 3D analysis of the cold flow IC engine. In this research, seven designs of GVD with the number of vanes varied from two to eight vanes (V2–V8) are used. The four-vane model (V4) has shown an excellent turbulent flow as well as swirl, tumble and cross tumble ratios in the fuel-injected region compared to other designs. This is indispensable to break up heavier fuel molecules of EB to mix with the air that will eventually improve engine performance.  
Appears in Collections:Conference Papers

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