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Desiccant-Based Air Handling Unit Alternatively Equipped with Three Hygroscopic Materials and Driven by Solar Energy

Author

Listed:
  • Piero Bareschino

    (Dipartimento di Ingegneria, Università degli Studi del Sannio, Piazza Roma 21, 82100 Benevento, Italy)

  • Francesco Pepe

    (Dipartimento di Ingegneria, Università degli Studi del Sannio, Piazza Roma 21, 82100 Benevento, Italy)

  • Carlo Roselli

    (Dipartimento di Ingegneria, Università degli Studi del Sannio, Piazza Roma 21, 82100 Benevento, Italy)

  • Maurizio Sasso

    (Dipartimento di Ingegneria, Università degli Studi del Sannio, Piazza Roma 21, 82100 Benevento, Italy)

  • Francesco Tariello

    (Dipartimento di Medicina e Scienze della Salute “Vincenzo Tiberio”, Università degli Studi del Molise, 86100 Campobasso, Italy)

Abstract

The energy demand for the air-conditioning of buildings has shown a very significant growth trend in the last two decades. In this paper three alternative hygroscopic materials for desiccant wheels are compared considering the operation of the air handling unit they are installed in. The analyses are performed by means of the TRNSYS 17 ® software, simulating the plant with the desiccant wheel made of: silica-gel, i.e., the filling actually used in the experimental plant desiccant wheel of the University of Sannio Laboratory; MIL101@GO-6 (MILGO), a composite material, consisting of graphite oxide dispersed in a MIL101 metal organic framework structure; Campanian Ignimbrite, a naturally occurring tuff, rich in phillipsite and chabazite zeolites, widespread in the Campania region, in Southern Italy. The air-conditioning system analyzed serves a university classroom located in Benevento, and it is activated by the thermal energy of a solar field for which three surfaces are considered: about 20, 27 and 34 m 2 . The results demonstrate that a primary energy saving of about 20%, 29%, 15% can be reached with silica-gel, MILGO and zeolite-rich tuff desiccant wheel based air handling units, respectively.

Suggested Citation

  • Piero Bareschino & Francesco Pepe & Carlo Roselli & Maurizio Sasso & Francesco Tariello, 2019. "Desiccant-Based Air Handling Unit Alternatively Equipped with Three Hygroscopic Materials and Driven by Solar Energy," Energies, MDPI, vol. 12(8), pages 1-20, April.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:8:p:1543-:d:225443
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    References listed on IDEAS

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    1. Fong, K.F. & Lee, C.K., 2018. "Impact of adsorbent characteristics on performance of solid desiccant wheel," Energy, Elsevier, vol. 144(C), pages 1003-1012.
    2. Zheng, X. & Ge, T.S. & Wang, R.Z., 2014. "Recent progress on desiccant materials for solid desiccant cooling systems," Energy, Elsevier, vol. 74(C), pages 280-294.
    3. Giovanni Angrisani & Carlo Roselli & Maurizio Sasso & Francesco Tariello & Giuseppe Peter Vanoli, 2016. "Performance Assessment of a Solar-Assisted Desiccant-Based Air Handling Unit Considering Different Scenarios," Energies, MDPI, vol. 9(9), pages 1-24, September.
    4. Al-Alili, Ali & Hwang, Yunho & Radermacher, Reinhard, 2015. "Performance of a desiccant wheel cycle utilizing new zeolite material: Experimental investigation," Energy, Elsevier, vol. 81(C), pages 137-145.
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    Cited by:

    1. Niemann, Peter & Schmitz, Gerhard, 2020. "Air conditioning system with enthalpy recovery for space heating and air humidification: An experimental and numerical investigation," Energy, Elsevier, vol. 213(C).
    2. Laith Al-Hyari & Miklos Kassai, 2020. "Development and Experimental Validation of TRNSYS Simulation Model for Heat Wheel Operated in Air Handling Unit," Energies, MDPI, vol. 13(18), pages 1-13, September.
    3. Miklos Kassai, 2019. "Energy Performance Investigation of a Direct Expansion Ventilation Cooling System with a Heat Wheel," Energies, MDPI, vol. 12(22), pages 1-16, November.
    4. Win-Jet Luo & Dini Faridah & Fikri Rahmat Fasya & Yu-Sheng Chen & Fikri Hizbul Mulki & Utami Nuri Adilah, 2019. "Performance Enhancement of Hybrid Solid Desiccant Cooling Systems by Integrating Solar Water Collectors in Taiwan," Energies, MDPI, vol. 12(18), pages 1-18, September.
    5. Elena Belyanovskaya & Miroslav Rimár & Roman D. Lytovchenko & Miroslav Variny & Kostyantyn M. Sukhyy & Oleksandr O. Yeromin & Mikhailo P. Sykhyy & Elena M. Prokopenko & Irina V. Sukha & Mikhailo V. Gu, 2020. "Performance of an Adsorptive Heat-Moisture Regenerator Based on Silica Gel–Sodium Sulphate," Sustainability, MDPI, vol. 12(14), pages 1-15, July.
    6. Mohammad Reza Safaei & Hamid Reza Goshayeshi & Issa Chaer, 2019. "Solar Still Efficiency Enhancement by Using Graphene Oxide/Paraffin Nano-PCM," Energies, MDPI, vol. 12(10), pages 1-13, May.

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