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A numerical study on the effect of various combustion bowl parameters on the performance, combustion, and emission behavior on a single cylinder diesel engine

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Abstract

A numerical study was carried out to study the effect of various combustion bowl parameters on the performance behavior, combustion characteristics, and emission magnitude on a single cylinder diesel engine. A base combustion bowl and 11 different combustion bowls were created by varying the aspect ratio, reentrancy ratio, and bore to bowl ratio. The study was carried out at engine rated speed and a full throttle performance condition, without altering the compression ratio. The results revealed that the combustion bowl parameters could have a huge impact on the performance behavior, combustion characteristics, and emission magnitude of the engine. The bowl parameters, namely throat diameter and toroidal radius, played a crucial role in determining the performance behavior of the combustion bowls. It was observed that the combustion bowl parameters, namely central pip distance, throat diameter, and bowl depth, also could have an impact on the combustion characteristics. And throat diameter and toroidal radius, central pip distance, and toroidal corner radius could have a consequent effect on the emission magnitude of the engine. Of the different combustion bowls tested, combustion bowl 4 was preferable to others owing to the superior performance of 3% of higher indicated mean effective pressure and lower fuel consumption. Interestingly, trade-off for NO x emission was higher only by 2.85% compared with the base bowl. The sensitivity analysis proved that bowl depth, bowl diameter, toroidal radius, and throat diameter played a vital role in the fuel consumption parameter and emission characteristics even at the manufacturing tolerance variations.

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Abbreviations

BB:

base bowl—hemispherical combustion bowl

CB:

combustion bowl

BP:

brake power

BTE:

brake thermal efficiency

IMEP:

indicated mean effective pressure

ISFC:

indicated specific fuel consumption

CA:

crank angle

CI:

compression ignition

DI:

direct injection

CO:

carbon monoxide

HC :

hydrocarbon

NO x :

oxides of nitrogen

Ppm :

parts per million

TDC :

top dead center

ASTM:

American Society for Testing and Materials

RPM:

rotation per minute

CFD:

computational fluid dynamics

HSDI:

high-speed diesel engine

TRCC:

toroidal re-entrant combustion chamber

HCC:

hemispherical combustion chamber

ROHR:

rate of heat release

Peak FP:

peak firing pressure

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Acknowledgements

The investigators would also like to thank the faculty of the Department of Automobile Engineering, Anna University, MIT Campus, Chennai, for their generous support in accomplishing the task.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Mepco Schlenk Engineering College, Sivakasi, Tamil Nadu, India

    Dhinesh Balasubramanian

  2. Department of Automobile Engineering, Madras Institute of technology, Anna University, Chennai, Tamil Nadu, India

    Sabari Rajan Sokkalingam Arumugam, Lingesan Subramani & Annamalai Mani

  3. Department of Mechanical Engineering, Arba Minch University, Arba Minch 21, Tamil Nadu, Ethiopia

    Isaac JoshuaRamesh Lalvani Joshua Stephen Chellakumar

Authors
  1. Dhinesh Balasubramanian
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  2. Sabari Rajan Sokkalingam Arumugam
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  3. Lingesan Subramani
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  4. Isaac JoshuaRamesh Lalvani Joshua Stephen Chellakumar
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  5. Annamalai Mani
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Correspondence to Dhinesh Balasubramanian.

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Balasubramanian, D., Sokkalingam Arumugam, S., Subramani, L. et al. A numerical study on the effect of various combustion bowl parameters on the performance, combustion, and emission behavior on a single cylinder diesel engine. Environ Sci Pollut Res 25, 2273–2284 (2018). https://doi.org/10.1007/s11356-017-0565-2

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  • DOI: https://doi.org/10.1007/s11356-017-0565-2

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