A systemic review to improve the intermittent operation efficiency of air-conditioning and heating system

Hu, Chenxi; Xu, Ruoyi; Meng, Xi

doi:10.1016/j.jobe.2022.105136

Cited by 12 publications

(3 citation statements)

References 84 publications

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“…Yet, some may maintain that the religious authorities must hold the final decision on mosque designs, thus diminishing the role of users. To add to this issue, little or no literature has explore users' influence on mosque design; most mosque-pertaining literature focused on aspects such as mosques' energy consumption rates [43][44][45][46][47][48], thermal performances [44,46,49], social influences [50,51], the effect on society and policies [22,52,53], and restoration [54][55][56]. This gap has motivated the present study.…”

Section: Introductionmentioning

confidence: 99%

Towards identifying mosque architectural characteristics aligned with expert preferences: application on selected mosques in Assuit City, Egypt

Elhefnawy,

Mohammed

2024

Sohag Engineering Journal

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Mosques, being public spaces, should be designed with the needs and preferences of the wider community in mind in order to facilitate spiritual practice and convenience. Through face-to-face interviews, mosque users have expressed a desire for a range of specific characteristics in their places of worship, further highlighting the importance of incorporating user input into the design process. The study aims to examine the design features of various mosques and assess their compliance with user preferences, with the broad goal of ensuring that mosques are capable of addressing their functional role. A field survey of six mosques was carried out. The findings show that mosque designers have not fully considered these preferences, resulting in a relative discrepancy between user preferences and actual mosque designs, which introduces concerns about the effectiveness and functionality of mosque spaces. Accordingly, the study recommends active community engagement in the design process from the early stages and emphasizes the need for retrofitting current mosques to address design deficiencies. In this context, the findings are useful for identifying areas for improvement for current and future mosques. They can also be utilized as a practical guideline for architects, designers, and other stakeholders involved in the mosque building process.

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Section: Introductionmentioning

confidence: 99%

Towards identifying mosque architectural characteristics aligned with expert preferences: application on selected mosques in Assuit City, Egypt

Elhefnawy,

Mohammed

2024

Sohag Engineering Journal

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“…Rapidly developing industries and the growing material needs of life have been leading to huge emissions of greenhouse gases, which are largely responsible for raising global climate temperatures. In addition to the destruction of natural ecology and the increase of energy consumption in buildings [ 3 , 4 ], the higher temperature also leads to the decline of human thermal comfort [ 5 ]. Numerous studies have confirmed that hot climates affect the incidence of diseases to some extent, especially for vulnerable groups such as the elderly, the frail and the chronically ill [ 6 , 7 ].…”

Section: Introductionmentioning

confidence: 99%

Effect of the cooling clothing integrating with phase change material on the thermal comfort of healthcare workers with personal protective equipment during the COVID-19

Wang

et al. 2023

Case Studies in Thermal Engineering

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“…[21][22][23][24] The individual heating devices are normally operated intermittently to reduce energy costs. [25][26][27][28][29] The diversity of heating means giving rise to distinct thermal environments. 30 For residences with continuous heating in northern China, indoor temperature was found to be in the range of 17 to 26°C whereas the RH varied from 10% to 40%.…”

Section: Introductionmentioning

confidence: 99%

Correlation of thermal environments with the bacterial concentration in bedrooms with intermittent and continuous heating modes

Shen,

Liu,

Liu

et al. 2023

Indoor and Built Environment

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Bacteria in built environments are profoundly affected by indoor thermal conditions. In China, continuous and intermittent heating modes give rise to distinct thermal environments in winter. However, the quantitative relationships between bacterial concentration and thermal conditions in the context of heating modes remain unclear. To this end, we recorded the temperature and relative humidity (RH) in 15 intermittently and 15 continuously heated residences in 27 cities across China and obtained the bacterial concentrations via the quantitative polymerase chain reaction technology. For the intermittently heated residences whose temperatures were lower than 18°C, the bacterial concentration negatively correlated with RH while the correlation was positive for those with T > 18°C. For the continuously heated residences, a quadratic correlation was found between temperature and the bacterial concentration which was highest at 23°C. For lower bacterial risk, we suggest that (1) RH in the intermittent heating region should be in the range of 40%–60% and (2) temperature in the continuous heating region should not exceed 22°C. The bacteria-adjusted thermal zones for intermittent and continuous heating are 66% and 77% of the original thermal comfort zone, respectively. Our study provides insights into the set-points of indoor thermal environments based on the microbial perspective.

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A systemic review to improve the intermittent operation efficiency of air-conditioning and heating system

Cited by 12 publications

References 84 publications

Towards identifying mosque architectural characteristics aligned with expert preferences: application on selected mosques in Assuit City, Egypt

Towards identifying mosque architectural characteristics aligned with expert preferences: application on selected mosques in Assuit City, Egypt

Effect of the cooling clothing integrating with phase change material on the thermal comfort of healthcare workers with personal protective equipment during the COVID-19

Correlation of thermal environments with the bacterial concentration in bedrooms with intermittent and continuous heating modes

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