Evaluation the Scramjet Cooling Heat for Available Work Using Exergy Analysis

Xinchun Li; Heyang Miao; Zhongwei Wang; Yaobin Niu

doi:doi:10.11648/j.ijepe.20180704.11

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Evaluation the Scramjet Cooling Heat for Available Work Using Exergy Analysis

Xinchun Li, Heyang Miao, Zhongwei Wang, Yaobin Niu

Published in International Journal of Energy and Power Engineering (Volume 7, Issue 4)

Received: 13 July 2018 Accepted: 11 October 2018 Published: 12 November 2018

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Abstract

The scramjet cooling heat has a big potential work between the heat and the fuel coolant. However, there is no idea about the maximum potential work of the heat from cooling scramjet. Therefore, the potential work of the scramjet cooling heat is studied. The maximum available work from the heat of cooling scramjet is evaluated by the exergy analysis. The heat exergy analysis model is proposed under the heat sources condition according to the heat transfer performance of the scramjet wall and fuel coolant. It is supposed that a closed thermodynamic system is performed between hot source and cold source. The heat flow, the heat exergy and the available work from the scramjet wall are 543.1kW, 407.3kW and 370.3kW, respectively, when the temperature of scramjet wall is 1200K. And the exergy efficiency of the closed system is 68.2%. The exergy losses of external irreversible processes between the closed system and heat sources are analyzed by considering the heat exchanging temperature differences. The external exergy losses and the exergy efficiency have been largely changed with the heat exchanging temperature differences between the closed system and heat sources. The heat exchanging temperature differences are decreased, the external exergy losses are decreased and the exergy efficiency is increased. However, the heat exchanging temperature differences would be adapted to heat exchanging processes and decreasing the acreage of heat exchange. It is meaningful for having a guidance of power generation for hypersonic vehicle.

Published in	International Journal of Energy and Power Engineering (Volume 7, Issue 4)
DOI	10.11648/j.ijepe.20180704.11
Page(s)	47-53
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2018. Published by Science Publishing Group

Keywords

Scramjet, Exergy, Available Work, Exergy Loss

References

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APA Style

Xinchun Li, Heyang Miao, Zhongwei Wang, Yaobin Niu. (2018). Evaluation the Scramjet Cooling Heat for Available Work Using Exergy Analysis. International Journal of Energy and Power Engineering, 7(4), 47-53. https://doi.org/10.11648/j.ijepe.20180704.11

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ACS Style

Xinchun Li; Heyang Miao; Zhongwei Wang; Yaobin Niu. Evaluation the Scramjet Cooling Heat for Available Work Using Exergy Analysis. Int. J. Energy Power Eng. 2018, 7(4), 47-53. doi: 10.11648/j.ijepe.20180704.11

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AMA Style

Xinchun Li, Heyang Miao, Zhongwei Wang, Yaobin Niu. Evaluation the Scramjet Cooling Heat for Available Work Using Exergy Analysis. Int J Energy Power Eng. 2018;7(4):47-53. doi: 10.11648/j.ijepe.20180704.11

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@article{10.11648/j.ijepe.20180704.11,
  author = {Xinchun Li and Heyang Miao and Zhongwei Wang and Yaobin Niu},
  title = {Evaluation the Scramjet Cooling Heat for Available Work Using Exergy Analysis},
  journal = {International Journal of Energy and Power Engineering},
  volume = {7},
  number = {4},
  pages = {47-53},
  doi = {10.11648/j.ijepe.20180704.11},
  url = {https://doi.org/10.11648/j.ijepe.20180704.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijepe.20180704.11},
  abstract = {The scramjet cooling heat has a big potential work between the heat and the fuel coolant. However, there is no idea about the maximum potential work of the heat from cooling scramjet. Therefore, the potential work of the scramjet cooling heat is studied. The maximum available work from the heat of cooling scramjet is evaluated by the exergy analysis. The heat exergy analysis model is proposed under the heat sources condition according to the heat transfer performance of the scramjet wall and fuel coolant. It is supposed that a closed thermodynamic system is performed between hot source and cold source. The heat flow, the heat exergy and the available work from the scramjet wall are 543.1kW, 407.3kW and 370.3kW, respectively, when the temperature of scramjet wall is 1200K. And the exergy efficiency of the closed system is 68.2%. The exergy losses of external irreversible processes between the closed system and heat sources are analyzed by considering the heat exchanging temperature differences. The external exergy losses and the exergy efficiency have been largely changed with the heat exchanging temperature differences between the closed system and heat sources. The heat exchanging temperature differences are decreased, the external exergy losses are decreased and the exergy efficiency is increased. However, the heat exchanging temperature differences would be adapted to heat exchanging processes and decreasing the acreage of heat exchange. It is meaningful for having a guidance of power generation for hypersonic vehicle.},
 year = {2018}
}

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TY - JOUR
T1 - Evaluation the Scramjet Cooling Heat for Available Work Using Exergy Analysis
AU - Xinchun Li
AU - Heyang Miao
AU - Zhongwei Wang
AU - Yaobin Niu
Y1 - 2018/11/12
PY - 2018
N1 - https://doi.org/10.11648/j.ijepe.20180704.11
DO - 10.11648/j.ijepe.20180704.11
T2 - International Journal of Energy and Power Engineering
JF - International Journal of Energy and Power Engineering
JO - International Journal of Energy and Power Engineering
SP - 47
EP - 53
PB - Science Publishing Group
SN - 2326-960X
UR - https://doi.org/10.11648/j.ijepe.20180704.11
AB - The scramjet cooling heat has a big potential work between the heat and the fuel coolant. However, there is no idea about the maximum potential work of the heat from cooling scramjet. Therefore, the potential work of the scramjet cooling heat is studied. The maximum available work from the heat of cooling scramjet is evaluated by the exergy analysis. The heat exergy analysis model is proposed under the heat sources condition according to the heat transfer performance of the scramjet wall and fuel coolant. It is supposed that a closed thermodynamic system is performed between hot source and cold source. The heat flow, the heat exergy and the available work from the scramjet wall are 543.1kW, 407.3kW and 370.3kW, respectively, when the temperature of scramjet wall is 1200K. And the exergy efficiency of the closed system is 68.2%. The exergy losses of external irreversible processes between the closed system and heat sources are analyzed by considering the heat exchanging temperature differences. The external exergy losses and the exergy efficiency have been largely changed with the heat exchanging temperature differences between the closed system and heat sources. The heat exchanging temperature differences are decreased, the external exergy losses are decreased and the exergy efficiency is increased. However, the heat exchanging temperature differences would be adapted to heat exchanging processes and decreasing the acreage of heat exchange. It is meaningful for having a guidance of power generation for hypersonic vehicle.
VL - 7
IS - 4
ER -

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Author Information

Xinchun Li

Theoretical Training Department, the Air Force Xi’an Flight Academy, Xi’an, China
Heyang Miao

Science and Technology on Scramjet Laboratory, National University of Defense Technology, Changsha, China
Zhongwei Wang

Science and Technology on Scramjet Laboratory, National University of Defense Technology, Changsha, China
Yaobin Niu

Science and Technology on Scramjet Laboratory, National University of Defense Technology, Changsha, China

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Plain Text BibTeX RIS

APA Style

Xinchun Li, Heyang Miao, Zhongwei Wang, Yaobin Niu. (2018). Evaluation the Scramjet Cooling Heat for Available Work Using Exergy Analysis. International Journal of Energy and Power Engineering, 7(4), 47-53. https://doi.org/10.11648/j.ijepe.20180704.11

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ACS Style

Xinchun Li; Heyang Miao; Zhongwei Wang; Yaobin Niu. Evaluation the Scramjet Cooling Heat for Available Work Using Exergy Analysis. Int. J. Energy Power Eng. 2018, 7(4), 47-53. doi: 10.11648/j.ijepe.20180704.11

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AMA Style

Xinchun Li, Heyang Miao, Zhongwei Wang, Yaobin Niu. Evaluation the Scramjet Cooling Heat for Available Work Using Exergy Analysis. Int J Energy Power Eng. 2018;7(4):47-53. doi: 10.11648/j.ijepe.20180704.11

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@article{10.11648/j.ijepe.20180704.11,
  author = {Xinchun Li and Heyang Miao and Zhongwei Wang and Yaobin Niu},
  title = {Evaluation the Scramjet Cooling Heat for Available Work Using Exergy Analysis},
  journal = {International Journal of Energy and Power Engineering},
  volume = {7},
  number = {4},
  pages = {47-53},
  doi = {10.11648/j.ijepe.20180704.11},
  url = {https://doi.org/10.11648/j.ijepe.20180704.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijepe.20180704.11},
  abstract = {The scramjet cooling heat has a big potential work between the heat and the fuel coolant. However, there is no idea about the maximum potential work of the heat from cooling scramjet. Therefore, the potential work of the scramjet cooling heat is studied. The maximum available work from the heat of cooling scramjet is evaluated by the exergy analysis. The heat exergy analysis model is proposed under the heat sources condition according to the heat transfer performance of the scramjet wall and fuel coolant. It is supposed that a closed thermodynamic system is performed between hot source and cold source. The heat flow, the heat exergy and the available work from the scramjet wall are 543.1kW, 407.3kW and 370.3kW, respectively, when the temperature of scramjet wall is 1200K. And the exergy efficiency of the closed system is 68.2%. The exergy losses of external irreversible processes between the closed system and heat sources are analyzed by considering the heat exchanging temperature differences. The external exergy losses and the exergy efficiency have been largely changed with the heat exchanging temperature differences between the closed system and heat sources. The heat exchanging temperature differences are decreased, the external exergy losses are decreased and the exergy efficiency is increased. However, the heat exchanging temperature differences would be adapted to heat exchanging processes and decreasing the acreage of heat exchange. It is meaningful for having a guidance of power generation for hypersonic vehicle.},
 year = {2018}
}

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