Investigations on the Potential of Miller Cycle for Performance Improvement of Gas Engine

Investigations on the Potential of Miller Cycle for Performance Improvement of Gas Engine

Haijun Mo

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Yongquan Huang

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Xiaojian Mao

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Bin Zhuo

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1 Shanghai Jiao Tong University

GJRE Volume 16 Issue B1

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The objective of our study was to evaluate, in a population of Togolese People Living With HIV(PLWHIV), the agreement between three scores derived from the general population namely the Framingham score, the Systematic Coronary Risk Evaluation (SCORE), the evaluation of the cardiovascular risk (CVR) according to the World Health Organization.

To further improve thermal efficiency, Miller Cycle was applied to a turbo-charged 338 kW gas engine. Different methods of Miller Cycle were analyzed, including three Early Intake-Valve Closing (EIVC) methods and three Late Intake-Valve Closing (LIVC) methods. After the relatively suitable methods were chosen, the combination of the Miller Cycle and higher compression ratio was extensively investigated. The experimental results demonstrated that the combination of intake valves closing 40°CA earlier(EIVC40) and the compression ratio increasing to 13, the maximum thermal efficiency reached 47% and it is about 5~7% higher than the original cycle.

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References

Maurizio Palumbo (2007). CFD-Analysis of intake-system performances of a small turbocharged spark-ignition engine.
P Puzinauskas,B Willson,K H Evans (2000). Optimization of natural gas combustion in sparklgnited engines through manipulation of intake-flow configuration.
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Reza Rezaei,Stefan Pischinger,Jens Ewald,Philipp Adomeit (2010). A New CFD Approach for Assessment of Swirl Flow Pattern in HSDI Diesel Engines.
Stefano Fontanesi,Giuseppe Cicalese,Elena Severi (2013). Analysis of Turbulence Model Effect on the Characterization of the In-Cylinder Flow Field in a HSDI Diesel Engine.
A Das,H Watson (1997). Development of a natural gas spark ignition engine for optimum performance.
F Li,R Reitz (2000). Development of an ignition and combustion model for spark-ignition engines.
Heinz Pitsch (2002). LARGE-EDDY SIMULATION OF PARTIALLY PREMIXED TURBULENT COMBUSTION.

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

Haijun Mo. 2017. \u201cInvestigations on the Potential of Miller Cycle for Performance Improvement of Gas Engine\u201d. Global Journal of Research in Engineering - B: Automotive Engineering GJRE-B Volume 16 (GJRE Volume 16 Issue B1): .

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GJRE Volume 16 Issue B1
Pg. 37- 46

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Journal Specifications

Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

Keywords

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Classification

GJRE-B Classification: FOR Code: 090203

Submission ReceivedDecember 13, 2015
RevisedDecember 13, 2015
Peer Review Double Blind
Handling Editor
Accepted January 3, 2016
Published January 15, 2016

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Issue date

February 9, 2017

Language

English

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Total Score: 134

Country: China

Subject: Global Journal of Research in Engineering - B: Automotive Engineering

Authors: Haijun Mo, Yongquan Huang, Xiaojian Mao, Bin Zhuo (PhD/Dr. count: 0)

View Count (all-time): 223

Total Views (Real + Logic): 3861

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Publish Date: 2017 02, Thu

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Total Views: 3861

Total Downloads: 1821

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