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Conceptual Design of an Energy System for High Altitude Airships Considering Thermal Effect

Author

Listed:
  • Qiumin Dai

    (School of Energy and Power Engineering, Nanjing University of Science and Technology, Nanjing 210094, China)

  • Daoming Xing

    (School of Energy and Power Engineering, Nanjing University of Science and Technology, Nanjing 210094, China)

  • Xiande Fang

    (MIIT Key Laboratory of Aircraft Environment Control and Life Support, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China)

  • Yingjie Zhao

    (College of Energy and Power Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, China)

Abstract

High altitude airships possess tremendous potential for long-endurance spot hovering platforms for both commercial and strategic applications. The energy system, which is mainly made up of solar array and regenerative fuel cell, is the key component of a high altitude airship. The thermal effect is a major factor that affects the performance of the energy system of long endurance stratospheric vehicles. In this paper, a conceptual design method focusing on the thermal and power characteristics of an energy system for stratospheric airships is proposed. The effect of thermal behavior of solar array on the energy system is analyzed. An optimized case is obtained on the consideration of power supply, thermal behaviors of helium and solar array. Results show that the maximum temperature difference of the solar array may be reduced by about 20 K and the mass of payload can be improved by up to 5%.

Suggested Citation

  • Qiumin Dai & Daoming Xing & Xiande Fang & Yingjie Zhao, 2021. "Conceptual Design of an Energy System for High Altitude Airships Considering Thermal Effect," Energies, MDPI, vol. 14(14), pages 1-13, July.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:14:p:4204-:d:592924
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    References listed on IDEAS

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    1. Tim Smith & Michele Trancossi & Dean Vucinic & Chris Bingham & Paul Stewart, 2017. "Primary and Albedo Solar Energy Sources for High Altitude Persistent Air Vehicle Operation," Energies, MDPI, vol. 10(4), pages 1-16, April.
    2. Zhu, Weiyu & Xu, Yuanming & Du, Huafei & Zhang, Lanchuan & Li, Jun, 2018. "Transmittance optimization of solar array encapsulant for high-altitude airship," Renewable Energy, Elsevier, vol. 125(C), pages 796-805.
    3. Xuwei Wang & Zhaojie Li & Yanlei Zhang, 2021. "Model for Predicting the Operating Temperature of Stratospheric Airship Solar Cells with a Support Vector Machine," Energies, MDPI, vol. 14(5), pages 1-14, February.
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