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Energy saving by integrated control of natural ventilation and HVAC systems using model guide for comparison

Integrated control by controlling both natural ventilation and HVAC systems based on human thermal comfort requirement can result in significant energy savings. The concept of this paper differs from conventional methods of energy saving in HVAC systems by integrating the control of both these HVAC...

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Main Authors: Homod R.Z., Sahari K.S.M., Almurib H.A.F.
Other Authors: 36994633500
Format: Article
Published: Elsevier Ltd 2023
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spelling my.uniten.dspace-220902023-05-16T10:47:18Z Energy saving by integrated control of natural ventilation and HVAC systems using model guide for comparison Homod R.Z. Sahari K.S.M. Almurib H.A.F. 36994633500 57218170038 35305238400 Integrated control by controlling both natural ventilation and HVAC systems based on human thermal comfort requirement can result in significant energy savings. The concept of this paper differs from conventional methods of energy saving in HVAC systems by integrating the control of both these HVAC systems and the available natural ventilation that is based on the temperature difference between the indoor and the outdoor air. This difference affects the rate of change of indoor air enthalpy or indoor air potential energy storage. However, this is not efficient enough as there are other factors affecting the rate of change of indoor air enthalpy that should be considered to achieve maximum energy saving. One way of improvement can be through the use of model guide for comparison (MGFC) that uses physical-empirical hybrid modelling to predict the rate of change of indoor air potential energy storage considering building fabric and its fixture. Three methods (normal, conventional and proposed) are tested on an identical residential building model using predicted mean vote (PMV) sensor as a criterion test for thermal comfort standard. The results indicate that the proposed method achieved significant energy savings compared with the other methods while still achieving thermal comfort. © 2014 Elsevier Ltd. Final 2023-05-16T02:47:18Z 2023-05-16T02:47:18Z 2014 Article 10.1016/j.renene.2014.06.015 2-s2.0-84903901628 https://www.scopus.com/inward/record.uri?eid=2-s2.0-84903901628&doi=10.1016%2fj.renene.2014.06.015&partnerID=40&md5=2fdfc26fb40a8e2261871bf0938bdd6f https://irepository.uniten.edu.my/handle/123456789/22090 71 639 650 Elsevier Ltd Scopus
institution Universiti Tenaga Nasional
building UNITEN Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Tenaga Nasional
content_source UNITEN Institutional Repository
url_provider http://dspace.uniten.edu.my/
description Integrated control by controlling both natural ventilation and HVAC systems based on human thermal comfort requirement can result in significant energy savings. The concept of this paper differs from conventional methods of energy saving in HVAC systems by integrating the control of both these HVAC systems and the available natural ventilation that is based on the temperature difference between the indoor and the outdoor air. This difference affects the rate of change of indoor air enthalpy or indoor air potential energy storage. However, this is not efficient enough as there are other factors affecting the rate of change of indoor air enthalpy that should be considered to achieve maximum energy saving. One way of improvement can be through the use of model guide for comparison (MGFC) that uses physical-empirical hybrid modelling to predict the rate of change of indoor air potential energy storage considering building fabric and its fixture. Three methods (normal, conventional and proposed) are tested on an identical residential building model using predicted mean vote (PMV) sensor as a criterion test for thermal comfort standard. The results indicate that the proposed method achieved significant energy savings compared with the other methods while still achieving thermal comfort. © 2014 Elsevier Ltd.
author2 36994633500
author_facet 36994633500
Homod R.Z.
Sahari K.S.M.
Almurib H.A.F.
format Article
author Homod R.Z.
Sahari K.S.M.
Almurib H.A.F.
spellingShingle Homod R.Z.
Sahari K.S.M.
Almurib H.A.F.
Energy saving by integrated control of natural ventilation and HVAC systems using model guide for comparison
author_sort Homod R.Z.
title Energy saving by integrated control of natural ventilation and HVAC systems using model guide for comparison
title_short Energy saving by integrated control of natural ventilation and HVAC systems using model guide for comparison
title_full Energy saving by integrated control of natural ventilation and HVAC systems using model guide for comparison
title_fullStr Energy saving by integrated control of natural ventilation and HVAC systems using model guide for comparison
title_full_unstemmed Energy saving by integrated control of natural ventilation and HVAC systems using model guide for comparison
title_sort energy saving by integrated control of natural ventilation and hvac systems using model guide for comparison
publisher Elsevier Ltd
publishDate 2023
_version_ 1806426653745741824
score 13.211869

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