Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering

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Computer simulation of piston-piston ring—cylinder liner coactions in combustion engines
Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering - Tập 218 Số 12 - Trang 1491-1501 - 2004
A. Kaźmierczak
The aim of the numerical simulations presented in this paper was the calculation of the loads of the work process between elements of the ring seal components of the diesel engine. In this engine a sealing piston ring with an antiwear ceramic cover was developed. A computer simulation, which as model loads uses program KIVA3 for combustion engine work process computations, has been develo...... hiện toàn bộ
Modelling and optimizing two- and four-stroke hybrid pneumatic engines
Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering - Tập 223 Số 2 - Trang 255-280 - 2009
Christian Dönitz, I Parvulescu Vasile, Christopher H. Onder, Lino Guzzella
Hybrid pneumatic engines, which are designed to follow the downsizing and supercharging paradigm, offer a fuel-saving potential that is almost equal to that of hybrid electric powertrains while inducing much lower additional mass and cost penalties. This paper presents a systematic optimization of the operation of such an engine system. Both two-stroke and four-stroke modes are analysed. ...... hiện toàn bộ
Control of noise in the passenger compartment of the bus due to structural vibration
Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering -
Minh Duc Le, Cong Tin Le, Tan Tien Huynh
The design of the chassis with an appropriate structure is thought to be an efficient way for decreasing vibration and noise since chassis vibration is one of the key causes that generates noise in the bus passenger compartment. This study uses the Frequency Response Function Method (FRFM) and Modal Participation Method (MPM) to analyze an acoustic finite element model of a bus frame mode...... hiện toàn bộ
Sound transmission modeling and numerical analysis for automotive seal considering non-uniform compression
Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering - Tập 233 Số 3 - Trang 471-483 - 2019
W-F Zhu, Yao Zhong, Wang Gl, X-H Jiang
Automotive metal door panels and nonmetallic seals have complicated nonlinear interactions in their narrow mating sections, leading to non-uniform compression and complicating the sound transmission mechanism. Therefore, a new sound transmission modeling methodology and numerical analysis is developed for a refined sealing system by considering the geometrical boundaries and the non-unifo...... hiện toàn bộ
Automotive aeroacoustics: An overview
Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering - Tập 231 Số 9 - Trang 1177-1189 - 2017
Nicholas Oettle, David Sims-Williams
Vehicle aeroacoustic performance has a major influence on customer perception and also has importance for safety and comfort. Wind noise performance was once differentiated by the quality of sealing. Today, achieving competitive wind noise performance also depends on minimising aeroacoustic noise sources generated by the vehicle form, and on attenuation in the noise pathway from sources o...... hiện toàn bộ
Integrating battery degradation in a cost of ownership framework for hybrid electric vehicle design optimization
Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering - Tập 233 Số 6 - Trang 1507-1523 - 2019
Ashish Vora, Xing Jin, Vaidehi Hoshing, Gregory M. Shaver, Subbarao Varigonda, Wallace E. Tyner
Prior design optimization efforts do not capture the impact of battery degradation and replacement on the total cost of ownership, even though the battery is the most expensive and least robust powertrain component. A novel, comprehensive framework is presented for model-based parametric optimization of hybrid electric vehicle powertrains, while accounting for the degradation of the elect...... hiện toàn bộ
MPC for vehicle lateral stability via differential braking and active front steering considering practical aspects
Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering - Tập 230 Số 4 - Trang 459-469 - 2016
Mooryong Choi, Seibum B. Choi
This paper presents a control architecture that simultaneously utilizes active front steering (AFS) and differential braking for vehicle lateral stability while minimizing longitudinal perturbations. This control scheme is based on the model predictive control (MPC) using the extended bicycle model that captures the lagged characteristics of tire forces and actuators. The nonlinearities o...... hiện toàn bộ
A study on the injection characteristics of a liquid-phase liquefied petroleum gas injector for air-fuel ratio control
Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering - Tập 219 Số 8 - Trang 1037-1046 - 2005
Han-Sub Sim, Kang Yoon Lee, Namhoon Chung, Myoungho Sunwoo
Liquefied petroleum gas (LPG) is widely used as a gaseous fuel in spark ignition engines because of its considerable advantages over gasoline. However, the LPG engine suffers a torque loss because the vapour-phase LPG displaces a larger volume of air than do gasoline droplets. In order to improve engine power as well as fuel consumption and air-fuel ratio control, considerable research ha...... hiện toàn bộ
Speciated hydrocarbon emissions from a gas-fuelled spark-ignition engine with various operating parameters
Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering - Tập 214 Số 7 - Trang 795-808 - 2000
Cu Kim, Choongsik Bae
For natural gas and liquefied petroleum gas (LPG), measurements of the concentrations of individual exhaust hydrocarbon (HC) species have been made under various engine operating conditions in a 2 litre four-cylinder engine using gas chromatography. Non-methane hydrocarbon (NMHC) in addition to the species of HC and other emissions such as CO2, CO and NOx... hiện toàn bộ
The meshing of timing belt teeth in pulley grooves
Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering - Tập 211 Số 3 - Trang 205-218 - 1997
T.H.C. Childs, Kenny Dalgarno, Mehdi Hojjati, M. J. Tutt, A J Day
The work described here has been carried out to obtain a better understanding of the tooth root cracking failure mode of timing belts. Previous work has demonstrated the close dependence of this on the tooth deflections of fully meshed teeth, generated by torque transmission, but has not considered the additional distortions generated in the partially meshed conditions at entry to and exi...... hiện toàn bộ
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