Investigation of efficient adsorbents using transient analysis of adsorption chillers with Simulink

Ahmed Elsayed, R. Al-Dadah, S. Mahmoud, A. Alshaer, J. Bowen

    Research output: Contribution to conferencePaper

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    Abstract

    With the availability of waste heat from various power stations and industrial processes, adsorption cooling systems offer advantages compared to mechanical vapour compression systems. The dynamic modelling of such system is very important as it predicts the system performance with time in terms of bed temperature, pressure, cooling capacity and coefficient of performance. Therefore there is a need for a robust simulation platform that can be used to predict the system dynamic performance under various operating conditions and accommodate design changes efficiently. This work exploits Simulink software capabilities to develop such simulation platform and investigate the effects of using different adsorbent materials and cycle times on cooling capacity and coefficient of performance. Results showed that such platform is very effective in comparative studies. Results showed that water/silica gel produce more cooling capacity compared to ethanol/activated carbon adsorbents at short cycle time, while Maxsorb has better performance at longer cycle time as its cooling capacity increases with adsorption time.
    Original languageEnglish
    Publication statusPublished - 2014
    EventInternational Conference on Heat Transfer and Fluid Flow - Prague, Czech Republic
    Duration: 11 Aug 201412 Aug 2014

    Conference

    ConferenceInternational Conference on Heat Transfer and Fluid Flow
    Abbreviated titleHTFF
    Country/TerritoryCzech Republic
    CityPrague
    Period11/08/1412/08/14

    Bibliographical note

    The full text is also available from here: http://avestia.com/HTFF2014_Proceedings/papers/199.pdf

    Keywords

    • adsorption chiller
    • Maxsorb
    • Simulink
    • Silica gel
    • heat pump

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