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An energy-efficient method for direct-contact ultrasonic cloth drying

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  • Peng, Chang
  • Momen, Ayyoub M.
  • Moghaddam, Saeed

Abstract

A novel ultrasonic transducer driving method, in which the power supply to the transducer is regulated by a binary modulating signal, is introduced for the first time for use in direct-contact ultrasonic drying of fabrics. First, the drying characteristics of different fabrics on two types of transducers are studied using continuous transducer driving mode. Then, the effects of duty cycle and frequency of modulating power signals on fabric drying characteristics are investigated. The energy efficiency of the proposed transducer driving method is compared with that of the continuous transducer driving mode. The results suggest that drying using a modulating signal consists of nonlinear and linear regimes similar to those of the continuous driving mode. The results also show that drying time of a fabric depends not only on the fabric type, but also on the duty cycle and the modulating frequency. However, there exists a critical duty cycle beyond which the drying time does not change. The proposed transducer driving method is more energy-efficient compared to continuous driving mode, consuming 7–16 times less energy. Higher energy efficiencies maybe achieved by operating the transducer at higher modulating frequencies and shorter duty cycles.

Suggested Citation

  • Peng, Chang & Momen, Ayyoub M. & Moghaddam, Saeed, 2017. "An energy-efficient method for direct-contact ultrasonic cloth drying," Energy, Elsevier, vol. 138(C), pages 133-138.
    • Handle: RePEc:eee:energy:v:138:y:2017:i:c:p:133-138
    DOI: 10.1016/j.energy.2017.07.025
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    References listed on IDEAS

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    1. Peng, Chang & Ravi, Saitej & Patel, Viral K. & Momen, Ayyoub M. & Moghaddam, Saeed, 2017. "Physics of direct-contact ultrasonic cloth drying process," Energy, Elsevier, vol. 125(C), pages 498-508.
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    Cited by:

    1. Dupuis, Eric D. & Momen, Ayyoub M. & Patel, Viral K. & Shahab, Shima, 2019. "Electroelastic investigation of drying rate in the direct contact ultrasonic fabric dewatering process," Applied Energy, Elsevier, vol. 235(C), pages 451-462.

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    1. Dupuis, Eric D. & Momen, Ayyoub M. & Patel, Viral K. & Shahab, Shima, 2019. "Electroelastic investigation of drying rate in the direct contact ultrasonic fabric dewatering process," Applied Energy, Elsevier, vol. 235(C), pages 451-462.

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