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Energies
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Optimizing Energy Efficiency and Thermal Comfort in Building
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Optimizing Energy Efficiency and Thermal Comfort in Building

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "G: Energy and Buildings".

Deadline for manuscript submissions: 15 August 2024 | Viewed by 1672

Special Issue Editor

Prof. Dr. Christian Inard

E-Mail Website1 Website2
Guest Editor
Laboratoire des Sciences de l’Ingénieur Pour l’Environnement (LASIE, UMR CNRMS 7356), La Rochelle Université, 17000 La Rochelle, France
Interests: energy efficiency in building; thermal engineering; building simulation; green building
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Today, it is widely accepted that climate change is a global phenomenon. Not only is the average temperature rising but heatwaves are also becoming more frequent. In addition, currently, the construction industry is not particularly adapted to extreme heat. Thus, research is necessary not only to analyze how building design will impact the climate but also how the future climate will impact building design.

On the other hand, the design of buildings aims to achieve a number of objectives in terms of energy consumption and the quality of indoor environments, which are often in conflict with each other. Thus, managing conflicting criteria in building design optimization is a real challenge that needs to be addressed.

This Special Issue aims to present and disseminate the most recent advances related to methods, modelling, experimentation, and application for optimizing energy-efficient design against thermal comfort in indoor spaces.

Topics of interest for publication include, but are not limited to, the following:

  • Optimal design methodologies
  • Multi-objective optimization
  • Advanced modelling approaches
  • Suitable design of experiments
  • Energy efficiency measures
  • Thermal comfort assessment
  • Efficient cooling and heating systems

Prof. Dr. Christian Inard
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Energies is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • design
  • optimization
  • modelling
  • experimentation
  • thermal comfort
  • energy efficiency

Published Papers (3 papers)

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Research

22 pages, 18156 KiB  
Article
Research on Multi-Objective Optimization Design of University Student Center in China Based on Low Energy Consumption and Thermal Comfort
by Ming Liu, Yufei Que, Nanxin Yang, Chongyi Yan and Qibo Liu
Energies 2024, 17(9), 2082; https://doi.org/10.3390/en17092082 - 26 Apr 2024
Viewed by 299
Abstract
Ensuring optimal building performance is vital for enhancing student activity comfort and fostering energy-saving initiatives toward low-carbon objectives. This paper focuses on university student centers in China, aiming to diminish building energy consumption while enhancing indoor thermal comfort. Parametric modeling of typical cases [...] Read more.
Ensuring optimal building performance is vital for enhancing student activity comfort and fostering energy-saving initiatives toward low-carbon objectives. This paper focuses on university student centers in China, aiming to diminish building energy consumption while enhancing indoor thermal comfort. Parametric modeling of typical cases is executed using the Grasshopper 1.0.0007 software package, and the simulation of building energy consumption and indoor thermal comfort relies on the Ladybug and Honeybee plug-in. Employing a multi-objective optimization design method and the Octopus multi-objective optimization algorithm, this study integrates numerical simulations and on-site surveys to analyze how factors like building form, orientation, envelope structure, and others impact the indoor and outdoor environment. A comprehensive optimization design approach is implemented for the building’s exterior components, including the walls, windows, roof, and shading system. After conducting a comparative analysis of the annual comprehensive energy consumption and indoor thermal comfort before and after the optimization plan, it is determined that implementing these measures reduces the annual comprehensive energy consumption of the building under study by 58.8% and extends the duration of indoor thermal comfort by 53.0%. This study presents a practical optimization design methodology for university student center architecture in China, aiding architects in decision making and advocating for energy-efficient building designs. Full article
(This article belongs to the Special Issue Optimizing Energy Efficiency and Thermal Comfort in Building)
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16 pages, 4269 KiB  
Article
The Effects of Exterior Glazing on Human Thermal Comfort in Office Buildings
by Bing Song, Lujian Bai and Liu Yang
Energies 2024, 17(4), 776; https://doi.org/10.3390/en17040776 - 06 Feb 2024
Viewed by 529
Abstract
As a major component of the building envelope, the energy-saving design of exterior windows is key to energy savings in office buildings. The conventional design of exterior windows mainly focused on their impact on heating and cooling energy but ignored the indoor thermal [...] Read more.
As a major component of the building envelope, the energy-saving design of exterior windows is key to energy savings in office buildings. The conventional design of exterior windows mainly focused on their impact on heating and cooling energy but ignored the indoor thermal comfort problems caused by the direct solar radiation transmitted by windows and the fluctuation of their internal surface temperatures. This study analyzed the influence of exterior windows on the indoor thermal environment of office buildings by carrying out field experiments. The experiments were carried out in a typical office building in Xi’an during December and January. The impact of exterior windows on human thermal comfort was studied from two perspectives: longwave radiation from the surface of window glass and solar shortwave radiation. It was found that solar radiation was the main cause of temperature fluctuations on the internal surface of windows and created non-uniform thermal environments. The mean radiant temperature fluctuations in the near-window area could reach up to 7.8 °C due to outdoor solar radiation in winter. Solar radiation transmitted by windows directly affects thermal sensations. Since conventional thermal comfort models or indices underestimated the thermal sensations of occupants in the presence of solar radiation, the additional thermal loads caused by solar radiation needed to be taken into account. The allowable operative temperature range for maintaining thermal comfort should be reduced by 0.5 °C when occupants are exposed to solar radiation. Full article
(This article belongs to the Special Issue Optimizing Energy Efficiency and Thermal Comfort in Building)
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20 pages, 7540 KiB  
Article
Concentration of CO2 in the Local Working Area during the Joint Operation of a Gas Infrared Heater and an Air-Exchange System
by Boris Vladimirovich Borisov, Geniy Vladimirovich Kuznetsov, Vyacheslav Ivanovich Maksimov, Tatiana Aleksandrovna Nagornova and Felix Yurievich Salikhov
Energies 2024, 17(1), 155; https://doi.org/10.3390/en17010155 - 27 Dec 2023
Viewed by 458
Abstract
The formation of local areas in large buildings with regulated thermal conditions is an urgent task. The use of gas infrared heaters for this purpose raises questions on the utility of an air-exchange system and the monitoring of the combustion product concentration. In [...] Read more.
The formation of local areas in large buildings with regulated thermal conditions is an urgent task. The use of gas infrared heaters for this purpose raises questions on the utility of an air-exchange system and the monitoring of the combustion product concentration. In this study, the modeling of heat transfer processes on premises with a gas infrared heater and an air-exchange system was conducted. The carbon dioxide concentration in the local working area when using a light-type gas infrared heater was determined. The regularities of current formation for circulating air and combustion products on the premises at various air-exchange rates were analyzed. The profiles of CO2 temperatures and concentrations in the local working areas on the left and right of the equipment model are shown. The article makes a conclusion about the influence of air velocity from the air-exchange system based on average values of carbon dioxide concentration on the premises and in the local working area. The possibility of increasing the temperature in the local working area without exceeding the permissible CO2 concentrations (less than 1000 ppm) has been identified. The formulated approach allows us to predict the available modes of the air-exchange system to create the highest possible comfort heating parameters while maintaining an acceptable degree of air pollution from combustion products. Full article
(This article belongs to the Special Issue Optimizing Energy Efficiency and Thermal Comfort in Building)
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