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An Experimental Study of a Novel System Used for Cooling the Protection Helmet

Author

Listed:
  • Ahmad Saleh

    (Department of Mechanical Engineering, Zarqa University, Zarqa 13132, Jordan)

  • Deaa Aldeen Kanaan

    (Department of Mechanical Engineering, Zarqa University, Zarqa 13132, Jordan)

Abstract

In this study, a novel experimental model was proposed, built, and tested to present an efficient and simple method for cooling protective helmets. The system was based on an evaporative cooling technique in which water is used as a coolant sprayed over a canvas covering the outer helmet’s surface. A solar fan was provided to enhance the evaporation rate. The experimental results were used with the main laws of heat and mass to evaluate evaporation and heat transfer rates. The proposed system was compared by other two cases, the uncovered dry helmet and the wet-covered one without using the fan. The inner and outer surface temperatures reached were characterized by a good level of stability and by being compatible with human comfort conditions. The addition of the wet cover led to a temperature drop in both the outer and inner surfaces of the helmet by about 9 degrees, and the addition of the fan led to an additional drop of about 5 degrees. There were increases in the cooling rate by 63.3% by adding the wet cover and by 131.7% after adding the fan. The system is characterized by free power consumption and simplicity in implementation.

Suggested Citation

  • Ahmad Saleh & Deaa Aldeen Kanaan, 2023. "An Experimental Study of a Novel System Used for Cooling the Protection Helmet," Energies, MDPI, vol. 16(10), pages 1-19, May.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:10:p:4046-:d:1145542
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    References listed on IDEAS

    as
    1. Mingran Mao & Chunzao Feng & Junxian Pei & Huidong Liu & Haifeng Jiang, 2023. "A Triple-Layer Membrane with Hybrid Evaporation and Radiation for Building Cooling," Energies, MDPI, vol. 16(6), pages 1-11, March.
    2. Jing Lv & Bo Zhou & Mengya Zhu & Wenhao Xi & Eric Hu, 2022. "Experimental Study on the Performance of a Dew-Point Evaporative Cooling System with a Nanoporous Membrane," Energies, MDPI, vol. 15(7), pages 1-17, April.
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