TED-AJ03-273 EXPERIMENTAL AND NUMERICAL STUDY OF DESICCANT ROTOR WITH DIRECT HEATING REGENERATION BY SOLAR ENERGY
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概要
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The study presents a theoretical model of performance analysis for desiccant rotor regenerated by solar energy with direct heating process and experiments are performed to examine the validity of the model. Authors aim at clarifying the dehumidification performance of the rotor. In the refrigeration and air conditioning systems, development of temperature and humidity independent control technology is necessary for increasing utilized energy efficiency and maintaining a comfortable environment. Desiccant air conditioning system driven by renewable energy and/or low-grade thermal energy (near-ambient temperature waste heat) resources have large [figure] energy saving potential. Therefore, the desiccant air conditioning system can be utilized for super markets, food processing sites, hospitals etc. Practically, the system performance depends on a desiccant rotor performance. In the paper, theoretical analysis model for desiccant rotor regenerated by solar thermal energy with direct heating process is performed. The solar thermal energy is collected by Fresnel lens. The dehumidifying experiment of desiccant rotor regenerated by the system is also performed. The amount of dehumidifying water vapor of 0.1 kg/h is obtained. The amount of dehumidification is attributed to the lack of heat input from the lens. However, result of the performance analysis shows good agreement with experimental data of the dehumidification process. It is confirmed that the analysis model is able to predict accurately the desiccant rotor performance. Furthermore, the influence of the rotor speed on the amount of dehumidifying performance is examined. It is found that there is an optimum rotor speed of the desiccant rotor, at which the dehumidifying moisture achieves its maximum amount. It is confirmed that the rotor speed is one of the most important parameters governing the rotor performance.[figure]
- 一般社団法人日本機械学会の論文
著者
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濱本 芳徳
東京農工大学大学院生物システム応用科学研究部:(現)九州大学大学院工学研究院
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濱本 芳徳
九州大学大学院 工学研究院
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Kashiwagi Takao
Graduate School Of Bio-applications And Systems Engineering Tokyo University Of Agri. & Tech.
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Kashiwagi T
Tokyo Univ. Agriculture And Technol. Tokyo
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HAMAMOTO Yoshinori
Department of Mechanical Systems Engineering, Tokyo Univ. of Agri. & Tech.
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Akisawa Atsushi
Graduate School Of Bio-applications And Systems Engineering Tokyo University Of Agri. & Tech.
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Thien Nha
Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture & Techn
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Hamamoto Yoshinori
Department Of Mechanical Systems Engineering Tokyo Univ. Of Agri. & Tech.
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Thien Nha
Graduate School Of Bio-applications And Systems Engineering Tokyo University Of Agriculture & Te
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AKISAWA Atsushi
Graduate School of Bio-Applications and Systems Engineering (BASE), Tokyo University of Agriculture and Technology
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HAMAMOTO Yoshinori
Department of Mechanical Engineering Science, Kyushu University
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