Performance Analysis on Variable Injectors to Improve the Internal Velocities and Flow Rates in a Fuel System for Natural Gas Vehicles

Kwon Se Kim; Doo Seuk Choi

doi:10.4028/www.scientific.net/DDF.379.31

Paper Titles

Preface

Influence of Gama Prime Changes on the Heat Transport Phenomena of a Nickel Super Alloy
p.1

Considerations on Heat Transfer in Parallel-Plate Channels with Staggered Fins
p.12

Development Issues of Alternative Energy in Algeria
p.24

Performance Analysis on Variable Injectors to Improve the Internal Velocities and Flow Rates in a Fuel System for Natural Gas Vehicles
p.31

Numerical Solution of the Bio-Heat Transfer Equation with Uncertain Parameters Using the Sensitivity Analysis Methods
p.39

Flow Characteristics around Circular Cylinders with a Normal Slit
p.48

LAD2D: A Computer Code for Detonation Fluid Dynamics Problems with Large Distortion and Internal Slip
p.58

A Design-Variable-Based Computational Study on the Unsteady Internal-Flow Characteristics of the Urea-SCR Injector for Commercial Vehicles
p.64

HomeDefect and Diffusion ForumDefect and Diffusion Forum Vol. 379Performance Analysis on Variable Injectors to...

Performance Analysis on Variable Injectors to Improve the Internal Velocities and Flow Rates in a Fuel System for Natural Gas Vehicles

Abstract:

The present study has been attempted to systematically perform a visualizing analysis plan which can improve the flow rate, velocity and mass flow rate as a function of the size of the welding section in the injector as a key for the determination of the injection amount and time of the fuel (CH₄) system for natural gas. As the setting conditions for the analysis, a minimum pressure of 2 bar and a maximum pressure of 8 bar were set to be the total pressure values in the case of the inlet, while 0 bar was set for opening drain to represent the state in the atmosphere in the case of the outlet. As a result, the characteristics with an increase in velocity could be affirmed as strong flow separation and eddy current were produced according to the model with a large size of welding section. An excellent performance with an improvement in the performance of velocity flow rate by about 40% could be affirmed in the model where the size of the welding section was designed to be 6 EA.

You might also be interested in these eBooks

Transport Problems with a Focus on Fluid and Heat Flow

View Preview

Info:

Periodical:

Defect and Diffusion Forum (Volume 379)

Pages:

31-38

DOI:

https://doi.org/10.4028/www.scientific.net/DDF.379.31

Citation:

Cite this paper

Online since:

November 2017

Authors:

Kwon Se Kim, Doo Seuk Choi*

Keywords:

Fuel Consumption, Mass Flow Diffusion, Natural Gas, NG Injector, Plunger

Export:

RIS, BibTeX

Price:

Permissions CCC:

Request Permissions

Permissions PLS:

Request Permissions

Сopyright:

Citation:

* - Corresponding Author

References

[1] Kwonse Kim, Dooseuk Choi, Analytic Visualization on Chocking Characteristics of Velocity according to a Change in Mass Flows and Plunger Gaps within NGV Injector, Advances and Applications in Fluid Mechanics, 19 (3), 2016, pp.631-642.

DOI: 10.17654/fm019030631

Google Scholar

[2] A.M. Pourkhesalian, A.H. Shamekhi, F. Salimi, Alternative fuel and gasoline in an si engine: a comparative study of performance and emissions characteristics, Fuel, 89 (5) (2010), p.1056–1063.

DOI: 10.1016/j.fuel.2009.11.025

Google Scholar

[3] Kwonse Kim, Dooseuk Choi, Optimized Pressure Determined in Accordance with Variable Plunger Stroke of Internal Injector NGV, Defect and Diffusion Forum, 307(2016), pp.41-51.

DOI: 10.4028/www.scientific.net/ddf.370.41

Google Scholar

[4] M. Kalam, H. Masjuki, An experimental investigation of high performance natural gas engine with direct injection, Energy, 36 (5) (2011), p.3563–3571.

DOI: 10.1016/j.energy.2011.03.066

Google Scholar

[5] Kwonse Kim, Dooseuk Choi, Study on distributing pressure and velocity on Exhaust Variable Valve Face of Back Pressure, Journal of the Korea Academia-Industrial cooperation Society (KAIS), 15 (4) (2014), pp.1-6.

DOI: 10.5762/kais.2014.15.4.1825

Google Scholar

[6] Libing Wang, Jihad A. Badra, William L. Roberts, Tiegang Fang, Characteristics of spray from a GDI fuel injector for naphtha and surrogate fuels, Fuel, 190 (15) (2017), pp.113-191.

DOI: 10.1016/j.fuel.2016.11.015

Google Scholar

[7] Chunde Yao, Peilin Geng, Zenghui Yin, Jiangtao Hu, Yusheng Ju, Impacts of nozzle geometry on spray combustion of high pressure common rail injectors in a constant volume combustion chamber, Fuel, 179 (1) (2016), pp.235-245.

DOI: 10.1016/j.fuel.2016.03.097

Google Scholar

[8] H.K. Suh, C.S. Lee, Experimental and analytical study on the spray characteristics of dimethyl ether (DME) and diesel fuels within a common-rail injection system in a diesel engine, Fuel, 87 (2008), p.925–932.

DOI: 10.1016/j.fuel.2007.05.051

Google Scholar

[9] S.H. Park, H.K. Suh, C.S. Lee, Effect of cavitating flow on the flow and fuel atomization characteristics of biodiesel and diesel fuels, Energy Fuels, 22 (2008), p.605–613.

DOI: 10.1021/ef7003305

Google Scholar

[10] K. Ramamurthi, K. Nandakumar, Characteristics of flow through small sharp-edged cylindrical orifices, Flow Meas Instrum, 10 (1999), p.133–143.

DOI: 10.1016/s0955-5986(99)00005-9

Google Scholar

[11] Payri, F.J. Salvador, J. Gimeno, J. Morena, Study of cavitation phenomena based on a technique for visualizing bubbles in a liquid pressurized chamber, Int J Heat Fluid Flow, 30 (2009), p.768–777.

DOI: 10.1016/j.ijheatfluidflow.2009.03.011

Google Scholar

[12] C. Arcoumanis, M. Gavaises, Linking nozzle flow with spray characteristics in a diesel fuel injection system, Atomization and Spray, 8 (1998), p.307–347.

DOI: 10.1615/atomizspr.v8.i3.50

Google Scholar