Prediction and Reduction of Cylinder Liner Bore Deformation for a Two Wheeler Single Cylinder Gasoline Engine

2015 ◽  
Vol 8 (4) ◽  
pp. 1913-1923 ◽  
Author(s):  
Arnab Ganguly ◽  
Vikas Kumar Agarwal ◽  
Tanmay Santra
Keyword(s):  
Gasoline Engine ◽  
Cylinder Liner ◽  
Single Cylinder ◽  
Two Wheeler

First Principle Based Control Oriented Gasoline Engine Model Including Lumped Cylinder Dynamics

2018 ◽  
Vol 140 (8) ◽  
Author(s):  
Ahmed Yar ◽  
A. I. Bhatti ◽  
Qadeer Ahmed
Keyword(s):  
Gasoline Engine ◽  
Angular Speed ◽  
Rigid Bodies ◽  
First Principle ◽  
Cylinder Pressure ◽  
Single Cylinder ◽  
Engine Model ◽  
Proposed Model ◽  
Engine Cylinder ◽  
Diagnostic Capabilities

A novel first principle based control oriented model of a gasoline engine is proposed which also carries diagnostic capabilities. Unlike existing control oriented models, the formulated model reflects dynamics of the faultless as well as faulty engine with high fidelity. In the proposed model, the torque production subsystem is obtained by integration of further two subsystems that is model of a single cylinder torque producing mechanism and an analytical gasoline engine cylinder pressure model. Model of a single cylinder torque producing mechanism is derived using constrained equation of motion (EOM) in Lagrangian mechanics. While cylinder pressure is evaluated using a closed form parametric analytical gasoline engine cylinder pressure model. Novel attributes of the proposed model include minimal usage of empirical relations and relatively wider region of model validity. Additionally, the model provides model based description of crankshaft angular speed fluctuations and tension in the rigid bodies. Capacity of the model to describe the system dynamics under fault conditions is elaborated with case study of an intermittent misfire condition. Model attains new capabilities based on the said novel attributes. The model is successfully validated against experimental data.

Comparison of Promising Sustainable C1-Fuels Methanol, Dimethyl Carbonate, and Methyl Formate in a DISI Single-Cylinder Light Vehicle Gasoline Engine

2021 ◽  
Author(s):  
Sebastian Blochum ◽  
Felix Fellner ◽  
Markus Mühlthaler ◽  
Martin Härtl ◽  
Georg Wachtmeister ◽  
...  
Keyword(s):  
Dimethyl Carbonate ◽  
Methyl Formate ◽  
Gasoline Engine ◽  
Single Cylinder ◽  
Light Vehicle

Improvement of Transient Heat Transfer Models for the Coupled 3-D Moving Piston Assembly-Liner System

2007 ◽  
Author(s):  
Yankun Jiang ◽  
Zhien Liu ◽  
Rolf D. Reitz ◽  
Zheling Dong ◽  
Xiaoming Ye
Keyword(s):  
Heat Transfer ◽  
Gasoline Engine ◽  
Sparse Matrix ◽  
Cylinder Liner ◽  
Heat Transfer Model ◽  
Transient Heat Transfer ◽  
Transfer Model ◽  
Piston Rings ◽  
Liner System ◽  
Piston Assembly

A transient heat transfer model for the coupling 3-D moving piston assembly-liner system has been successfully improved for predicting temperature distributions in the components of internal combustion engine chamber. In the model the effect of the 3-D friction heat generated at the piston ring/cylinder liner interfaces and the multi-dimensional lubricant film thickness between the piston rings and the liner has been taken into account. A directly coupled finite element method (FEM) is employed in the model for establishing the heat transfer relation among the moving piston assembly-cylinder liner components. A 3-D discrete model of the coupling system is formulated, which includes the piston rings, piston, liner and cylinder. Due to the complexity of the temperature stiffness matrix, a sparse matrix data structure is employed in the model to save the memory and calculation time. Finally, the 3-D coupling heat transfer model has been used to analyze heat transfer processes in a gasoline engine.

Sound & vibration control for a single-cylinder gasoline engine based on parameter optimization of timing-chain system

2017 ◽  
Vol 232 (13) ◽  
pp. 1815-1827
Author(s):  
Xianjun Hou ◽  
Songze Du ◽  
Chihua Lu ◽  
Zien Liu ◽  
Hao Zheng ◽  
...  
Keyword(s):  
Optimization Design ◽  
Gasoline Engine ◽  
Subjective Evaluation ◽  
Dynamic Performance ◽  
Transverse Displacement ◽  
Single Cylinder ◽  
Chain System ◽  
Design Scheme ◽  
Single Cylinder Engine ◽  
Timing System

In order to promote the idling noise quality of a single-cylinder gasoline engine, this paper addresses sound source identification and noise control research. The noise was identified by the application of subjective evaluation, acoustic spectrum and sound intensity analysis. It was found that the noise was caused by the anomalous dynamic performance of the timing system under idling conditions. Furthermore, sound and vibration characteristics of timing system were improved by design methodology research of key components. A multi-body dynamic model was established to characterize dynamic characteristics of the timing system under idling conditions. The key factor of producing noise was that the fluctuation of contact force between the chain and guide and transverse displacement of the chain were much higher than those of the allowable design limit. For the lowest design alternation and manufacturing costs, the work analyzed six timing system improvement schemes obtained by cross combination of tensioner blade line and guide strip radian parameters. After that, the optimal design scheme which could improve dynamic performance parameters of the timing system was derived. The design scheme was conducted with a acoustic test of engine to derive the following results. The noise level of a single-cylinder engine under idling conditions decreased by 3 dB(A). The abnormal noise of the original engine was eliminated under subjective evaluation. The sound quality under other working conditions had no apparent deterioration. Research shows that guide and tensioner blade line optimization design could improve dynamic performance of the timing chain system to eliminate abnormal noise, thereby significantly improving the acoustic characteristic of a single-cylinder engine.

Design and Modelling of Single Cylinder 4 Stroke Gasoline Engine Crankshaft

2019 ◽  
Author(s):  
Shourya Paul ◽  
Devanshu Jain ◽  
Rohan Brella ◽  
Naveen Kumar
Keyword(s):  
Gasoline Engine ◽  
Single Cylinder ◽  
Engine Crankshaft

scholarly journals Design of Biogas Converter for Single Cylinder Gasoline Engine

2014 ◽  
Vol 02 (1) ◽  
pp. 1-8
Author(s):  
Desrial Desrial ◽  
◽  
Dyah Wulandani ◽  
Keyword(s):  
Gasoline Engine ◽  
Single Cylinder

scholarly journals Modifying Exhaust After-Treatment Device for Complying with Future Emission Norms

2019 ◽  
Vol 9 (2) ◽  
pp. 125-131
Keyword(s):  
Aqueous Solution ◽  
Gasoline Engine ◽  
Exhaust Emission ◽  
Automobile Emissions ◽  
Future Emission ◽  
Hc Emissions ◽  
Optimum Solution ◽  
Current Emission ◽  
Two Wheeler ◽  
Exhaust After Treatment

Day to day increase in air pollution is one of the serious issues nowadays. One of the main contributors is automobile emissions. It contains gases like carbon dioxide, carbon monoxide, hydrocarbon, nitrogen oxides, and particular matters. In order to address such issues, this paper is focused on the reduction of emissions by modifying the design of an exhaust after-treatment device. The analysis is carried out on a 4-stroke single-cylinder 149cc FZ-S BS4 bike two-wheeler gasoline engine.CO and HC emissions absorbed by an aqueous solution having different TDS of aqua 90ppm RO water, 1000ppm Municipality water, and 10000ppm seawater. Such aqueous solution contains calcium powder and activated carbon in 10:0.5:0.5, 10:1:1 and 10:2:2 in proportion respectively. An optimum solution derived which having a mixture of 10:1:1 proportion having 10000ppm seawater is derived which shows reduction in CO by 50% and HC emission by 40% as compare conventional muffler exhaust emission. The IoT device is used with the MQ-7 sensor to measure CO emission from a modified device and data obtained are compared with PUC (Pollution under control) certified center. This research is to optimize emission from the existing gasoline engine, from April 2017 BS4 is implemented in INDIA nationwide & BS6 will be going to implement by 2020. From April 2017 manufacturer are not allowed to build new engines below BS4 standard but customer those who are having an older version of engines are not having any effect of BS4 & their engines are still emitting more pollution than the current emission norms. More than 100 million of twowheeler engines were sold in between Feb‘06- March’17. This study aims to provide a solution for such engines not from the manufacturer side but from the consumer side to upgrade their vehicle to satisfy future emission norms so that human health will be less affected by such emissions.

scholarly journals Reduction of Friction Losses by Means of Cylinder Liner Offset in a Floating Liner Single Cylinder Engine

2018 ◽  
Vol 9 (4) ◽  
pp. 304-309 ◽  
Author(s):  
Ernst Winklhofer ◽  
Siegfried Loesch ◽  
Stefan Satschen ◽  
Bernhard Thonhauser
Keyword(s):  
Cylinder Liner ◽  
Single Cylinder ◽  
Single Cylinder Engine
Sign in / Sign up

Export Citation Format

Share Document