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Predictive Simulation-based Optimisation of Cooling System Including a Sprinkler Tank

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F18%3APU130489" target="_blank" >RIV/00216305:26210/18:PU130489 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.3303/CET1870059" target="_blank" >http://dx.doi.org/10.3303/CET1870059</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.3303/CET1870059" target="_blank" >10.3303/CET1870059</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Predictive Simulation-based Optimisation of Cooling System Including a Sprinkler Tank

  • Original language description

    Prerequisite for an efficient cooling energy system is the knowledge and the optimal combination of different operating conditions of individual compression and free cooling chillers. The performance of cooling systems depends on its part load performance and its condensing temperature, which are often unknown. Recorded energy data remains unused and manufacturers' data significantly differs from the real performance. For this purpose, manufacturer and real data are combined and continuously adapted to form partial load curve models. This study applied a predictive optimization algorithm to calculate the optimal operating conditions of multiple chillers. A sprinkler tank offers the opportunity to store cold-water for later utilisation. This potential is used to show the load shifting potential of the cooling system by using a variable electricity price as an input parameter of the optimisation. The set points from the optimisation have been continuously validated by a dynamic simulation. Finally, a case study of a plastic processing company evaluated different scenarios against the status quo. Applying an optimal chiller loading and charging strategy of a sprinkler tank increased the energy efficiency of up to 40 % during colder and around 17% during warmer periods. The total energy savings highly depended on the weather conditions. For the consider fluctuations, the electricity price had only a minor effect.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    20402 - Chemical process engineering

Result continuities

  • Project

    <a href="/en/project/EF15_003%2F0000456" target="_blank" >EF15_003/0000456: Sustainable Process Integration Laboratory (SPIL)</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2018

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    Chemical Engineering Transactions

  • ISBN

    978-88-95608-67-9

  • ISSN

    2283-9216

  • e-ISSN

  • Number of pages

    6

  • Pages from-to

    349-354

  • Publisher name

    Italian Association of Chemical Engineering - AIDIC

  • Place of publication

    Neuveden

  • Event location

    Prague

  • Event date

    Aug 25, 2018

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article