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Investigation and probable solution of low end torque dip problem of CAMPRO 1.6L Engine

Mohiuddin, A. K. M. and Rahman, Mohammed Ataur and Alias, Arfah and Farraen, M.A. (2008) Investigation and probable solution of low end torque dip problem of CAMPRO 1.6L Engine. International Journal of Mechanical and Materials Engineering (IJMME), 3 (2). pp. 176-186. ISSN 1823-0334

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Abstract

The main objective of this work is to perform an extensive study on the causes of the torque dip in CAMPRO engine and subsequently to provide the best solution that will improve the performance, reliability as well as production cost. CAMPRO engine is a basic Double Overhead Camshaft (DOHC) which has a capacity of 1597 cc and installed with a total of 16 valves developed by Malaysian car manufacturer PROTON. The CAMPRO engine experiences performance downfall when it reaches at certain rpm. The phenomenon is known as torque dip or torque loss where the output torque is not smooth, consequently formed a dip in the torque curve. The dip which occurs at 2500 – 3500 rpm is mainly influenced by the geometry of the designed intake manifold and valve timing. Analysis is mostly confined on the intake manifold geometry. From the analysis done, two possible solutions were provided viz., Natural Dual Intake Manifold and Continuous Variable Intake Manifold.

Item Type: Article (Journal)
Additional Information: 3628/1198
Uncontrolled Keywords: Valve train, GT-Suite, GT-Vtrain, Backward solution, VT-Design
Subjects: T Technology > TL Motor vehicles. Aeronautics. Astronautics > TL1 Motor vehicles
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering > Department of Mechanical Engineering
Depositing User: Prof. Dr. A K M Mohiuddin
Date Deposited: 12 Aug 2011 15:51
Last Modified: 12 Aug 2011 15:52
URI: http://irep.iium.edu.my/id/eprint/1198

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