eprintid: 8556
rev_number: 2
eprint_status: archive
userid: 1
dir: disk0/00/00/85/56
datestamp: 2023-11-09 16:20:28
lastmod: 2023-11-09 16:20:28
status_changed: 2023-11-09 16:12:56
type: article
metadata_visibility: show
creators_name: Mohammed, S.E.
creators_name: Baharom, M.B.
creators_name: Aziz, A.R.A.
title: Performance and combustion characteristics of a novel crank-rocker engine
ispublished: pub
keywords: Combustion; Efficiency; Engines; Fuel additives; Gasoline; Ignition; Internal combustion engines, Combustion characteristics; Crank rocker; Curved cylinders; Four strokes; Port injection; Spark ignition, Engine cylinders
note: cited By 14
abstract: The performance and combustion characteristics of a novel internal combustion engine, called the crank-rocker, have been investigated experimentally. The engine specifications are gasoline-port injection, four-stroke, spark-ignition, and single-curved cylinder. The ignition timing was initially set at 8.60 CA BTDC, 1800 rpm based on a small conventional engine. The equivalence ratio, lambda (λ) was varied at rich, stoichiometric, and lean conditions. The entire tests were performed at six different engine speeds of 1800, 2000, 2200, 2400, 2600 and 2800 rpm, with each one operating at wide open throttle. The performance data such as indicated torque, indicated power, indicated specific fuel consumption, and indicated thermal efficiency were calculated. The combustion characteristics such as cylinder pressure, mass fraction burned, heat release rate, P-V diagram, and indicated mean effective pressure were also determined. The results obtained from the crank-rocker engine were compared with the experimental results obtained from the conventional engine (benchmark engine). The results showed that the indicated torque, power and thermal efficiency of crank-rocker engine is higher than normal slidercrank engine. The indicated torque and power increased by about 6.28 , while the indicated specific fuel consumption is lower by 4.69 . In general, the engine has similar indicated performance characteristics to the conventional engine, but the combustion characteristics differ because the peak values of the combustion pressure and heat release occur at higher crank angle ATDC. This was found to be due to the dwelling of piston at TDC. The combustion rate and mixture of the novel crank-rocker engine burned faster, resulting in shorter combustion duration and ignition delay period than the conventional slider-crank engine. © 2017, The Korean Society of Mechanical Engineers and Springer-Verlag GmbH Germany.
date: 2017
publisher: Korean Society of Mechanical Engineers
official_url: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85026735930&doi=10.1007%2fs12206-017-0643-x&partnerID=40&md5=d8c53120a3aff2ccbcf95e3315bdd92f
id_number: 10.1007/s12206-017-0643-x
full_text_status: none
publication: Journal of Mechanical Science and Technology
volume: 31
number: 7
pagerange: 3563-3571
refereed: TRUE
issn: 1738494X
citation:   Mohammed, S.E. and Baharom, M.B. and Aziz, A.R.A.  (2017) Performance and combustion characteristics of a novel crank-rocker engine.  Journal of Mechanical Science and Technology, 31 (7).  pp. 3563-3571.  ISSN 1738494X