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Journal articles on the topic 'Thermal comfort indices'

Author: Grafiati

Published: 4 June 2021

Last updated: 14 December 2024

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1

Teodoreanu, Elena. "Thermal Comfort Index." Present Environment and Sustainable Development 10, no. 2 (2016): 105–18. http://dx.doi.org/10.1515/pesd-2016-0029.

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Abstract We are showing some bioclimatic indices (formulas or nomograms) for medical purposes, therapeutic tourism, sports. or regionalization. They are based on one, two, three or more different meteorological parameters.

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Yang, Xin, Sha Li, Qi Zhang, and Shuang He. "Thermal Comfort Assessment of the Beijing Historical Town Blocks: Analysis of Indices and Applications." Scientific Programming 2022 (April 19, 2022): 1–18. http://dx.doi.org/10.1155/2022/2381584.

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Thermal comfort indicates the sensation of humans towards the surrounding environment. This research work proposes a novel method for assessing thermal comfort indices of the Beijing Historical Town Blocks. Motivation. Maintaining a proper thermal comfort is essential for healthy living and promoting the use of low energy strategies; therefore, there is an intense need for research, analysis, and assessment of thermal indices for indoor environments. Objective. The research work intends to present a generalized model for outdoor thermal comfort assessment by investigating thermal comfort evalu

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Li, Wen, Liya Chao, Peng Si, Huixian Zhang, and Qingxiang Li. "Comparisons of the Urbanization Effect on Heat Stress Changes in Guangdong during Different Periods." Remote Sensing 15, no. 11 (2023): 2750. http://dx.doi.org/10.3390/rs15112750.

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While rapid urbanization promotes social and economic development, it exacerbates human outdoor thermal comfort, which increases the risks to human health. This paper uses four thermal comfort indices and multiple satellite observations to explore the urbanization effect on summer heat stress in Guangdong from 1979–2018, a coastal province of China. Two types of thermal comfort index are used here, namely the direct thermal comfort index (Heat Index, HI; Temperature–Humidity Index, THI; Discomfort Index, DI) and the physiological thermal comfort index (Universal Thermal Climate Index, UTCI). W

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Gwak, Jongseong, Motoki Shino, Kazutaka Ueda, and Minoru Kamata. "An Investigation of the Effects of Changes in the Indoor Ambient Temperature on Arousal Level, Thermal Comfort, and Physiological Indices." Applied Sciences 9, no. 5 (2019): 899. http://dx.doi.org/10.3390/app9050899.

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Thermal factors not only affect the thermal comfort sensation of occupants, but also affect their arousal level, productivity, and health. Therefore, it is necessary to control thermal factors appropriately. In this study, we aim to design a thermal environment that improves both the arousal level and thermal comfort of the occupants. To this end, we investigated the relationships between the physiological indices, subjective evaluation values, and task performance under several conditions of changes in the indoor ambient temperature. In particular, we asked subjects to perform a mathematical

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Brimicombe, Chloe, Claudia Di Napoli, Tiago Quintino, Florian Pappenberger, Rosalind Cornforth, and Hannah L. Cloke. "Thermofeel: A python thermal comfort indices library." SoftwareX 18 (June 2022): 101005. http://dx.doi.org/10.1016/j.softx.2022.101005.

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EPSTEIN, Yoram, and Daniel S. MORAN. "Thermal Comfort and the Heat Stress Indices." Industrial Health 44, no. 3 (2006): 388–98. http://dx.doi.org/10.2486/indhealth.44.388.

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Rusanescu, Carmen Otilia, Marin Rusanescu, Cosmin Jinescu, and Gigel Paraschi. "Influence of Thermal Comfort on Health." Revista de Chimie 70, no. 4 (2019): 1187–91. http://dx.doi.org/10.37358/rc.19.4.7089.

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The purpose of this paper is to estimate the conditions of human comfort in Bucharest. To describe the influence of the climate on human health, several indices have been developed describing the degree of physiological comfort offered by the meteorological conditions, taking into account meteorological parameters registered daily by the weather station at the Polytechnic University of Bucharest, Faculty of Biotechnical Systems Engineering: temperature and relative air humidity, wind speed. The following indices were analyzed: summer SCHARLAU index (ISE), winter SCHARLAU index (ISH), thermohig

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8

Aritan, A. E. "Investigation of thermal comfort conditions in a travertine processing plant by using thermal comfort indices." International Journal of Environmental Science and Technology 16, no. 9 (2019): 5285–88. http://dx.doi.org/10.1007/s13762-019-02378-4.

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Charalampopoulos, Ioannis, and Andre Santos Nouri. "Investigating the Behaviour of Human Thermal Indices under Divergent Atmospheric Conditions: A Sensitivity Analysis Approach." Atmosphere 10, no. 10 (2019): 580. http://dx.doi.org/10.3390/atmos10100580.

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This paper aims to analyse and conclude about the behaviour of the most commonly used human thermal comfort indices under a variety of atmospheric conditions in order to provide further information about their appropriateness. Utilising Generalized Additive Models (GAMs), this article examines the indices’ sensitivity when exposed to diverse classified atmospheric conditions. Concentrated upon analysing commonly used human thermal indices, two Statistical/Algebraic indices (Thermohygrometric Index (THI) and HUMIDEX (HUM)), and four Energy Balance Model indices (Physiologically Equivalent Tempe

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Requia, Weeberb J., Reizane Maria Damasceno da Silva, Leonardo Hoinaski, and Heresh Amini. "Thermal Comfort Conditions and Mortality in Brazil." International Journal of Environmental Research and Public Health 21, no. 9 (2024): 1248. http://dx.doi.org/10.3390/ijerph21091248.

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Conventional temperature-based approaches often overlook the intricate nature of thermal stress experienced by individuals. To address this limitation, climatologists have developed thermal indices—composite measures designed to reflect the complex interaction of meteorological factors influencing human perception of temperature. Our study focuses on Brazil, estimating the association between thermal comfort conditions and mortality related to respiratory and circulatory diseases. We examined four distinct thermal indices: the discomfort index (DI), net effective temperature (NET), humidex (H)

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GINZBURG, A. S., I. N. BELOVA, S. A. DOKUKIN, and V. A. FALALEEVA. "WIND SPEED TREND EFFECTS ON THE LENGTH OF THE THERMAL COMFORT PERIOD IN EUROPEAN RUSSIA IN RECENT DECADES." Meteorologiya i Gidrologiya, no. 2 (February 2024): 38–47. http://dx.doi.org/10.52002/0130-2906-2024-2-38-47.

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The combination of the parameters of temperature, humidity, and wind conditions of surface air, solar radiation fluxes, human metabolism under various modes of physical exertion and clothing properties characterize the thermal comfort. Under conditions of global warming, the climate characteristics that affect the quality of life, health, and well-being of people, in particular, the length of thermal comfort periods, are changing. Bioclimatic indices that determine the thermal comfort conditions depend not only on temperature changes, but also on humidity and wind speed trends. When comparing

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Hidayati, Rini, and Abytia Etika Banja. "Determination of Thermal Comforts Threshold on Students and Domestic Tourists in Lombok Island." Agromet 32, no. 2 (2018): 71. http://dx.doi.org/10.29244/j.agromet.32.2.71-80.

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<p>The research aims to identify the comfort level on Lombok island, and to determine the comfort threshold values based on various thermal indices for indoor and outdoor. We applied three different indices namely Wet-Bulb Globe Temperature (WBGT), Temperature Humidity Index (THI), and Heat Stress Index (HSI). We observed climate variables including air temperature, relative humidity, wind speed, and black-globe temperature for periode February-March 2018. Then we correlated the indices against comfort and heat perceptions. Our results showed that altitude has influenced on the comfort i

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Kwong, Qi Jie, Mohamad Afri Arsad, and Nor Mariah Adam. "Evaluation of Indoor Thermal Environment in a Radiant-Cooled-Floor Office Building in Malaysia." Applied Mechanics and Materials 564 (June 2014): 228–33. http://dx.doi.org/10.4028/www.scientific.net/amm.564.228.

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This paper presents the findings of a thermal comfort survey conducted in a tropical green office building. The building was installed with a slab-integrated radiant cooling system, which operated concurrently with an integrated variable-air-volume system. Evaluation of indoor thermal environment was made, where both objective and subjective assessments were carried out. The air temperature, air velocity, relative humidity and surface temperatures were measured by using calibrated sensors. Based on the data collected from the field assessment, the thermal comforts indices with expectancy facto

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Mouada, Nassima, Noureddine Zemmouri, and Rim Meziani. "Walking Behavior and Outdoor Thermal Comfort: Case Study –Abu Dhabi-." Proceedings of the International Conference of Contemporary Affairs in Architecture and Urbanism-ICCAUA 2, no. 1 (2019): 72–84. http://dx.doi.org/10.38027/iccaua20190018.

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The present research will focus on the concept of walkability and it is a relationship with outdoor thermal comfort. The main objective is to evaluate how far a pedestrian might be able to walk before experiencing discomfort in an outdoor environment; the thermal comfort indices used the Physiologically Equivalent Temperature (PET), calculated using Envimet 04 Software. Walking comfort indices used skin wettedness to simulate the physiological of the body that reacts to the environment. The case study located preferably in two different areas, one is a shaded area (garden), and the second one

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Toufik Boutellis and Ammar Bouchair. "Predictive Capacity Analysis for Outdoor Thermal Comfort Assessments: A Case Study of Jijel City, Algeria." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 98, no. 1 (2022): 18–41. http://dx.doi.org/10.37934/arfmts.98.1.1841.

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Ensuring acceptable thermal comfort conditions in public spaces is nowadays a major concern of urban design. A number of indices have been proposed in the literature, namely PMV, PET, SET*, UTCI, PT, mPET and MOCI. The present study aims to find the most suitable index the outdoor thermal comfort assessment in the city of Jijel by comparing the predictive capacities of these indices in terms of frequency occurrence and by relating them with the contextual responses of users. These indices are defined, their feature is analysed and finally explored. Thermal comfort based on these indices was ev

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Akinbobola, A., and T. Fafure. "Assessing the Impact of Urbanization on Outdoor Thermal Comfort in Selected Local Government Areas in Ogun State, Nigeria." March 2021 5, no. 1 (2021): 120–39. http://dx.doi.org/10.36263/nijest.2021.01.0243.

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This study seeks to assess the land use land cover (LULC) and spatial-temporal trends of six outdoor thermal comfort indices in four Local Government Areas (LGAs) of Ogun state, Southwestern, Nigeria. Data used for this study are air temperature, relative humidity, cloud cover and wind speed which span from 1982 to 2018. These data were obtained from ERA-INTERIM archive. The 1986, 2000 and 2018 used for the analysis of the LULC were from the satellite imagery hosted by the United States Geological Survey (USGS). Landsat Thematic Mapper, Landsat 7 and Landsat 8 Operational Land Imager data of 1

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Chiesa, Giacomo, Luo Yingjun, Sheng Yuxuan, Wang Guoxin, and Zhang Bolun. "Development and initial tests of an urban comfort monitoring system." Journal of Physics: Conference Series 2042, no. 1 (2021): 012051. http://dx.doi.org/10.1088/1742-6596/2042/1/012051.

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Abstract The paper presents a newly developed low-cost measurement system for outdoor comfort monitoring. The solution is based on IoT (Internet of Things) technologies and is cloud-connected. The system is able to collect physical environment data, and includes a movable GPS monitoring station as well as the subjective thermal sensation of pedestrians via a devoted app. The cloud interface promptly elaborates the received data to calculate outdoor thermal comfort indices such as UTCI (Universal Thermal Climate Index), MRT (mean radiant temperature), and ET (effective temperature). The system

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Megri, Ahmed Chérif, Issam El Naqa, and Fariborz Haghighat. "A Learning Machine Approach for Predicting Thermal Comfort Indices." International Journal of Ventilation 3, no. 4 (2005): 363–76. http://dx.doi.org/10.1080/14733315.2005.11683930.

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Li, Peixian, Thomas Parkinson, Stefano Schiavon, et al. "Improved long-term thermal comfort indices for continuous monitoring." Energy and Buildings 224 (October 2020): 110270. http://dx.doi.org/10.1016/j.enbuild.2020.110270.

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Sánchez Ramos, José, Aurore Toulou, Mcarmen Guerrero Delgado, Teresa Rocío Palomo Amores, Daniel Castro Medina, and Servando Álvarez Domínguez. "Thermal Resilience of Citizens: Comparison between Thermal Sensation and Objective Estimation in Outdoor Spaces: A Case Study in Seville, Spain." Applied Sciences 12, no. 22 (2022): 11676. http://dx.doi.org/10.3390/app122211676.

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Sanitary issues, combined with the effects of climate change, emphasize the comfort of outdoor spaces in cities. Numerous comfort models exist and can predict thermal sensation. However, these comfort indices need to be validated in hot zones and quantify the neutral range considering people’s thermal resilience. The present study investigates the outdoor thermal comfort of people who live in hot areas and are accustomed to this and quantifies this effect. For that, predictions provided by the COMFA thermal comfort model were compared with the occupants’ perceptions given in the field campaign

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Maria Julia, PETRE. "Assessment of The UTCI and HSI Biometeorological Indices for Constanța and Tulcea." Risks and Catastrophes Journal 34, no. 1-2 (2024): 43–58. https://doi.org/10.24193/rcj2024_5.

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The present work aims to make a contribution to raising the level of awareness regarding the influence of environmental factors on the human community, by calculating two biometeorological indices, namely Universal Thermal Climate Index (UTCI) and Heat Stress Index (HSI), which provide quantitative assessments of the thermal stress experienced by human populations in the examined region. Therefore, using the Bioklima software, the two biometeorological indices were calculated based on meteorological parameters recorded at the Constanța and Tulcea meteorological stations during the period from

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Boussaidi, Karima, Djamila Djaghrouri, Moussadek Benabbas, and Hasim Altan. "Assessment of Outdoor Thermal Comfort in Urban Public Space, during the Hottest Period in Annaba City, Algeria." Sustainability 15, no. 15 (2023): 11763. http://dx.doi.org/10.3390/su151511763.

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In this study; the outdoor thermal comfort of the users of two urban plazas with different morphologies in Annaba city, Algeria, have been evaluated. First, field measurements of the microclimatic parameters took place; namely the air temperature and the relative humidity in the two urban plazas, during hot days. Then, these measurements were compared with the results of the numerical simulations carried out by ENVI-met software in order to validate the model. The outdoor thermal comfort was evaluated by microclimatic measurements as well as a questionnaire survey consisting of interviews duri

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Ahn, Jonghoon. "Abatement of the Increases in Cooling Energy Use during a Period of Intense Heat by a Network-Based Adaptive Controller." Sustainability 13, no. 3 (2021): 1353. http://dx.doi.org/10.3390/su13031353.

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Various methods to control thermal conditions of building spaces have been developed to investigate their performances of energy use and thermal comfort in the system levels. However, the high control precision used in several studies dealing with data-driven methods may cause energy increases and the high energy efficiency may be disadvantageous for maintaining indoor environmental quality. This study proposes a model that optimizes the supply air condition to effectively reach the setting values by two-way controls of the supply air conditions. In such a process, if the results of the therma

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Elnabawi, Mohamed H., and Neveen Hamza. "Review on Gaps and Challenges in Prediction Outdoor Thermal Comfort Indices: Leveraging Industry 4.0 and ‘Knowledge Translation’." Buildings 14, no. 4 (2024): 879. http://dx.doi.org/10.3390/buildings14040879.

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The current outdoor thermal comfort index assessment is either based on thermal sensation votes collected through field surveys/questionnaires or using equations fundamentally backed by thermodynamics, such as the widely used UTCI and PET indices. The predictive ability of all methods suffers from discrepancies as multi-sensory attributes, cultural, emotional, and psychological cognition factors are ignored. These factors are proven to influence the thermal sensation and duration people spend outdoors, and are equally prominent factors as air temperature, solar radiation, and relative humidity

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Stefanovich, A. A., and E. N. Voskresenskaya. "Modern assessment methods of comfort of bioclimatic conditions for resort areas." Monitoring systems of environment, no. 1 (March 25, 2021): 7–17. http://dx.doi.org/10.33075/2220-5861-2021-1-7-17.

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The modern approaches to assessing the comfort of bioclimatic conditions for rational recreational activities are analyzed. A review of modern domestic and foreign methods is carried out and their advantages and disadvantages in assessing the thermal comfort of a human are identified. Most of the bioclimatic indicators used are now considered outdated, since they do not take into account human physiological reactions. Many foreign authors are increasingly using in their practice more complex thermal bioclimatic indices based on the human energy balance. In Russia, such studies are still rare.

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Cao, Mengbing, Chao Zong, Yanrong Zhuang, Guanghui Teng, Shengnan Zhou, and Ting Yang. "Modeling of Heat Stress in Sows Part 2: Comparison of Various Thermal Comfort Indices." Animals 11, no. 6 (2021): 1498. http://dx.doi.org/10.3390/ani11061498.

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Heat stress has an adverse effect on the production performance of sows, and causes a large economic loss every year. The thermal environment index is an important indicator for evaluating the level of heat stress in animals. Many thermal indices have been used to analyze the environment of the pig house, including temperature and humidity index (THI), effective temperature (ET), equivalent temperature index of sows (ETIS), and enthalpy (H), among others. Different heat indices have different characteristics, and it is necessary to analyze and compare the characteristics of heat indices to sel

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Chaloeytoy, Kittiwoot, and Masayuki Ichinose. "The Correlation Between Occupant Thermal Comfort and Discomfort Glare in Office Buildings in the Tropics: A Case Study in Thailand." Nakhara : Journal of Environmental Design and Planning 19 (December 31, 2020): 97–118. http://dx.doi.org/10.54028/nj20201997118.

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This study aims to clarify the correlation between thermal comfort and discomfort glare. The field survey was performed in office buildings located in Thailand using the comfort indices and the questionnaire survey. The agreement can be found with respect to the glazing performance and sensation level, and the comfort index evaluation must be carefully concerned, as there is a discrepancy in occupants’ responses. It is necessary to comprehensively study the effects of thermal comfort and discomfort glare separately, along with their interactions. The post-occupancy survey is required to optima

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Fang, Zhaosong, Zhang Lin, Cheuk Ming Mak, Jianlei Niu, and Kam-Tim Tse. "Investigation into sensitivities of factors in outdoor thermal comfort indices." Building and Environment 128 (January 2018): 129–42. http://dx.doi.org/10.1016/j.buildenv.2017.11.028.

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Yaacoub, Antonella, Moez Esseghir, and Leila Merghem-Boulahia. "A Review of Different Methodologies to Study Occupant Comfort and Energy Consumption." Energies 16, no. 4 (2023): 1634. http://dx.doi.org/10.3390/en16041634.

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The goal of this work is to give a full review of how machine learning (ML) is used in thermal comfort studies, highlight the most recent techniques and findings, and lay out a plan for future research. Most of the researchers focus on developing models related to thermal comfort prediction. However, only a few works look at the current state of adaptive thermal comfort studies and the ways in which it could save energy. This study showed that using ML control schemas to make buildings more comfortable in terms of temperature could cut energy by more than 27%. Finally, this paper identifies th

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Riffelli, Stefano. "A Wireless Indoor Environmental Quality Logger Processing the Indoor Global Comfort Index." Sensors 22, no. 7 (2022): 2558. http://dx.doi.org/10.3390/s22072558.

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Indoor environmental quality (IEQ) has a high-level of impact on one’s health and productivity. It is widely accepted that IEQ is composed of four categories: thermal comfort, indoor air quality (IAQ), visual comfort, and acoustic comfort. The main physical parameters that primarily represent these comfort categories can be monitored using sensors. To this purpose, the article proposes a wireless indoor environmental quality logger. In the literature, global comfort indices are often assessed objectively (using sensors) or subjectively (through surveys). This study adopts an integrated approac

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Liu, Zheming, Jin Li, and Tianyu Xi. "A Review of Thermal Comfort Evaluation and Improvement in Urban Outdoor Spaces." Buildings 13, no. 12 (2023): 3050. http://dx.doi.org/10.3390/buildings13123050.

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Urban outdoor space is an important activity place for residents, and its thermal environment directly affects residents’ quality of life and physical and mental health. Due to global climate change and the acceleration of urbanization, the outdoor thermal comfort of urban residents has seriously declined, causing more and more scholars to pay attention to this problem and to carry out research. This paper summarizes the development history and evaluation principles of outdoor thermal comfort evaluation indices and sorts out the methods for achieving outdoor thermal comfort. This paper reviews

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Zafarmandi, Sevil, Mohammadjavad Mahdavinejad, Leslie Norford, and Andreas Matzarakis. "Analyzing Thermal Comfort Sensations in Semi-Outdoor Space on a University Campus: On-Site Measurements in Tehran’s Hot and Cold Seasons." Atmosphere 13, no. 7 (2022): 1034. http://dx.doi.org/10.3390/atmos13071034.

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Outdoor and semi-outdoor thermal comfort on the university campus is essential for encouraging students’ outdoor activities and interactions and reducing energy consumption in occupied buildings. For this reason, the current study presents on-site measurements and questionnaire surveys on a university campus in Tehran, Iran. It aims to investigate the most applicable thermal indices in Tehran’s cold and hot seasons. Measurements were conducted over winter and summer days; in addition, the survey collected 384 responses. The results confirm that the Predicted Mean Vote (PMV) and Physiological E

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Ghahramani, Ali, Qian Xu, Syung Min, et al. "Infrared-Fused Vision-Based Thermoregulation Performance Estimation for Personal Thermal Comfort-Driven HVAC System Controls." Buildings 12, no. 8 (2022): 1241. http://dx.doi.org/10.3390/buildings12081241.

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Thermal comfort is one of the primary factors influencing occupant health, well-being, and productivity in buildings. Existing thermal comfort systems require occupants to frequently communicate their comfort vote via a survey which is impractical as a long-term solution. Here, we present a novel thermal infrared-fused computer vision sensing method to capture thermoregulation performance in a non-intrusive and non-invasive manner. In this method, we align thermal and visible images, detect facial segments (i.e., nose, eyes, face boundary), and accordingly read the temperatures from the approp

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Fröhlich, Dominik, and Andreas Matzarakis. "Calculating human thermal comfort and thermal stress in the PALM model system 6.0." Geoscientific Model Development 13, no. 7 (2020): 3055–65. http://dx.doi.org/10.5194/gmd-13-3055-2020.

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Abstract. In the frame of the project “MOSAIK – Model-based city planning and application in climate change”, a German-wide research project within the call “Urban Climate Under Change” ([UC]2) funded by the German Federal Ministry of Education and Research (BMBF), a biometeorology module was implemented into the Parallelized Large-Eddy Simulation Model (PALM) system. The new biometeorology module is comprised of methods for the calculation of UV-exposure quantities, a human–biometeorologically weighted mean radiant temperature (Tmrt), as well as for the estimation of human thermal comfort or

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Sousa, Lainny J. M. P. e., Roberta Passini, Eduardo A. de Almeida, and Alliny das G. Amaral. "Climate control in the feeding area for Girolando cows: Effects on environmental and production variables." Revista Brasileira de Engenharia Agrícola e Ambiental 27, no. 12 (2023): 973–79. http://dx.doi.org/10.1590/1807-1929/agriambi.v27n12p973-979.

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ABSTRACT High-production cows require facilities providing comfortable environments to enhance production efficiency and sustain milk quality. This study evaluated the impact of climatizing the feeding area post-morning and afternoon milking on environmental variables, thermal comfort indices, and the yield and quality of milk in lactating Girolando cows. The experiment followed a 4 × 4 Latin square design with four treatments across four experimental periods, using four cows per treatment. The post-milking climate control treatments included: shading; shading + ventilation; shading + ventilat

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Matzarakis, Andreas. "Comments on the Quantification of Thermal Comfort and Heat Stress with Thermal Indices." Atmosphere 15, no. 8 (2024): 963. http://dx.doi.org/10.3390/atmos15080963.

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Guo, Fei, Mingxuan Luo, Chenxi Zhang, et al. "The Mechanism of Street Spatial Form on Thermal Comfort from Urban Morphology and Human-Centered Perspectives: A Study Based on Multi-Source Data." Buildings 14, no. 10 (2024): 3253. http://dx.doi.org/10.3390/buildings14103253.

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The influence of street spatial form on thermal comfort from urban morphology and human-centered perspectives has been underexplored. This study, utilizing multi-source data and focusing on urban central districts, establishes a refined index system for street spatial form and a thermal comfort prediction model based on extreme gradient boosting (XGBoost) and Shapley additive explanations (SHAP). The results reveal the following: (1) Thermal comfort levels display spatial heterogeneity, with areas of thermal discomfort concentrated in commercial zones and plaza spaces. (2) Compared to the huma

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Duan, Pei Yong, Hui Li, and Cong Cong Liu. "Optimization Control for Dynamic Thermal Comfort in an Intelligent Inhabitation Environment." Advanced Materials Research 816-817 (September 2013): 371–74. http://dx.doi.org/10.4028/www.scientific.net/amr.816-817.371.

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Comfortable, healthy, and energy-saving indoor environments can be obtained via a dynamic thermal comfort control. Difficulties to design an optimal control system for a dynamic thermal environment arise due to the lack of coordinative control evaluation methods for conflicting comfort and energy-saving indices. An improved multi-objective algorithm based on discrete PSO (Particle Swarm Optimization) is proposed to calculate the optimal values of parameters in the dynamic comfort control system based on users balance between the comfort and energy conservation. No a priori information or physi

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Arabi, Mohammad, Mohammadreza Pourjafar, and Mohammadjavad Mahdavinejad. "A Review of methodologies for analyzing thermal comfort in urban pedestrian pathways." Future Energy 2, no. 2 (2023): 39–45. http://dx.doi.org/10.55670/fpll.fuen.2.2.5.

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According to the ANSI/ASHRAE Standard 55, thermal comfort is a subjective evaluation of thermal environment satisfaction. Therefore, the most challenging issue about thermal comfort is the assessment by subjective evaluation and addressing the case as a mental condition. Hence, The primary goal of the study is to determine which of the well-known thermal comfort indices is most suited for studying urban pedestrian movement. The present research method is based on the study of a wide range of research related to climatic comfort on the scale of urban space. The research has a review character a

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Golasi, Iacopo, Ferdinando Salata, Emanuele de Lieto Vollaro, Massimo Coppi, and Andrea de Lieto Vollaro. "Thermal Perception in the Mediterranean Area: Comparing the Mediterranean Outdoor Comfort Index (MOCI) to Other Outdoor Thermal Comfort Indices." Energies 9, no. 7 (2016): 550. http://dx.doi.org/10.3390/en9070550.

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Majewski, Grzegorz, Marek Telejko, and Łukasz J. Orman. "Analysis of Thermal Comfort in an Intelligent Building." Civil and Environmental Engineering 13, no. 1 (2017): 72–76. http://dx.doi.org/10.1515/cee-2017-0009.

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AbstractAnalysis of thermal comfort in the ENERGIS Building, an intelligent building in the campus of the Kielce University of Technology, Poland is the focus of this paper. For this purpose, air temperature, air relative humidity, air flow rate and carbon dioxide concentration were measured and the mean radiant temperature was determined. Thermal sensations of the students occupying the rooms of the building were evaluated with the use of a questionnaire. The students used a seven-point scale of thermal comfort. The microclimate measurement results were used to determine the Predicted Mean Vo

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Megri, Fayçal, Ahmed Cherif Megri, and Riadh Djabri. "An integrated fuzzy support vector regression and the particle swarm optimization algorithm to predict indoor thermal comfort." Indoor and Built Environment 25, no. 8 (2016): 1248–58. http://dx.doi.org/10.1177/1420326x15597545.

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The thermal comfort indices are usually identified using empirical thermal models based on the human balanced equations and experimentations. In our paper, we propose a statistical regression method to predict these indices. To achieve this goal, first, the fuzzy support vector regression (FSVR) identification approach was integrated with the particle swarm optimization (PSO) algorithm. Then PSO was used as a global optimizer to optimize and select the hyper-parameters needed for the FSVR model. The radial basis function (RBF) kernel was used within the FSVR model. Afterward, these optimal hyp

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Lokys, Hanna Leona, Jürgen Junk, and Andreas Krein. "Future Changes in Human-Biometeorological Index Classes in Three Regions of Luxembourg, Western-Central Europe." Advances in Meteorology 2015 (2015): 1–10. http://dx.doi.org/10.1155/2015/323856.

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Projected climate change will cause increasing air temperatures affecting human thermal comfort. In the highly populated areas of Western-Central Europe a large population will be exposed to these changes. In particular Luxembourg—with its dense population and the large cross-border commuter flows—is vulnerable to changing thermal stress. Based on climate change projections we assessed the impact of climate change on human thermal comfort over the next century using two common human-biometeorological indices, the Physiological Equivalent Temperature and the Universal Thermal Climate Index. To

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Deng, Xiang, and Zijing Tan. "Numerical analysis of local thermal comfort in a plan office under natural ventilation." Indoor and Built Environment 29, no. 7 (2019): 972–86. http://dx.doi.org/10.1177/1420326x19866497.

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The utilisation of automatic controlled natural wind in office buildings to maintain indoor thermal comfort has gained wide attention in recent years. Generally, it is not necessary to ensure that the whole internal volume of a building with large open spaces meets thermal comfort requirements. Primary focus should be on occupied areas. Accordingly, the local thermal comfort in an open-plan office with automatic controlled natural ventilation system was investigated numerically and experimentally. A computational fluid dynamics (CFD)-based method was presented for indoor environment and therma

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Rusanescu, Carmen Otilia, Marin Rusanescu, Mihaela Begea, and Elena Valentina Stoian. "Analysis of Comfort Indices and Their Impact on the Environment." Revista de Chimie 71, no. 2 (2020): 161–66. http://dx.doi.org/10.37358/rc.20.2.7910.

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In this paper, the following comfort indices and their implication on the environment are analyzed: the effective equivalent temperature index (TEE), the humidity temperature index (UTI) and the Thom discomfort index (DI Thom). These indices highlight the comfort or thermal discomfort of a region depending on the values for the air temperature, the relative humidity of the air during the period 2009-2018 recorded by the weather station AWWS/EV from the Faculty of Engineering of Biotechnical Systems, Politehnica University of Bucharest.

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Terım Cavka, Belgin, and Dilan Yanar. "Evaluation of Thermal Comfort Online Simulation Tools Usage Through Distance Education Process in an Applied Graduate Course." Mimarlık Bilimleri ve Uygulamaları Dergisi (MBUD) 9, no. 1 (2024): 585–601. http://dx.doi.org/10.30785/mbud.1444989.

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Through Covid 19 pandemic, education field has experienced mandatory transition to distant education. The case study held in Indoor Comfort Management postgraduate course. In order to examine how direct sunlight affects the adaptive thermal comfort of the user, simulations were made with online tools to evaluate thermal comfort within the scope this course at Yaşar University. The SolarCal and ComfTool of CBE online tools are used. This article aims to question the contribution of online simulation tools to education via a questionnaire given to students to grasp aspects of adaptive thermal co

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Yola, Lin, Timothy O. Adekunle, and Olutobi G. Ayegbusi. "The Impacts of Urban Configurations on Outdoor Thermal Perceptions: Case Studies of Flat Bandar Tasik Selatan and Surya Magna in Kuala Lumpur." Buildings 12, no. 10 (2022): 1684. http://dx.doi.org/10.3390/buildings12101684.

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This study assesses the impacts of urban configurations on thermal perceptions in Flat Bandar Tasik Selatan (FBTS) and Surya Magna (SM) in Kuala Lumpur, Malaysia. It aims to understand the impacts of urban configurations on thermal perceptions in outdoor spaces. The study addresses the following research questions: (1) Do urban configurations influence outdoor comfort? (2) Do urban configurations also have significant impacts on thermal perceptions? We mapped out the sites to understand their configurations. The research considered on-site measurements of the environmental conditions and carri

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Mohd Sabri, Mohd Anas, Chan Zhao Jun, Nor Kamaliana Khamis, Mohd Faizal Mat Tahir, Wan Aizon Wan Ghopa, and Meor Iqram Meor Ahmad. "The Study of Thermal Comfort in a Common Commercial Car Cabin: Looking at Malaysia’s Perspective." Jurnal Kejuruteraan 36, no. 2 (2024): 601–13. http://dx.doi.org/10.17576/jkukm-2024-36(2)-20.

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Assessing thermal comfort in vehicles poses unique challenges compared to buildings. The in-car environment is characterized by specific factors such as sunlight exposure, poor clothing insulation, non-uniform average radiant temperature, and limited time to establish comfort parameters. To address these challenges, this study aims to evaluate thermal comfort in different branded car cabins by analyzing temperature distribution, air velocity, relative humidity, and dew point temperature. A comprehensive review of literature was conducted, focusing on various aspects including airflow regimes,

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Krawczyk, Natalia. "Thermal comfort in the low energy building - validation and modification of the Fanger model." E3S Web of Conferences 246 (2021): 15003. http://dx.doi.org/10.1051/e3sconf/202124615003.

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Nowadays, we spend most of our time inside buildings. Thus, ensuring adequate thermal comfort is an important issue. The paper discusses the issue of thermal comfort assessment in the intelligent low energy building “Energis” of Kielce University of Technology (Poland). The tests conducted in a selected lecture theater focused on collecting anonymous questionnaires containing thermal sensation and air quality votes of the respondents as well as performing measurements of indoor air parameters (air and globe temperatures, relative humidity, air velocity and CO2 concentration). Based on the obta

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Writzl, Luana, Cassio Arthur Wollmann, Iago Turba Costa, João Paulo Assis Gobo, Salman Shooshtarian, and Andreas Matzarakis. "Outdoor Human Thermal Comfort along Bike Paths in Balneário Camboriú/SC, Brazil." Atmosphere 13, no. 12 (2022): 2092. http://dx.doi.org/10.3390/atmos13122092.

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This research is concerned with understanding the degree of human thermal (dis)comfort in connection with the various microclimates present in the vicinity of bike trails in Balneário Camboriú/SC, Brazil, throughout the summer. Local Climate Zones were determined using the Sky View Factor and were identified along research routes and schedules at 9:00 a.m. and 4:00 p.m. on a subtropical summer day (14 January 2022). Data were collected with weather devices attached to the bicycle, measuring air temperature, relative humidity, and globe temperature, from which the mean radiant temperature was c

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