Investigation of comfort temperature and thermal adaptation for patients and visitors in Malaysian hospitals

Khalid, Waqas; Zaki, Sheikh Ahmad; Rijal, Hom Bahadur; Yakub, Fitri

doi:10.1016/j.enbuild.2018.11.019

Cited by 74 publications

(40 citation statements)

References 37 publications

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“…Thermal comfort temperature is ranging between 25.3ºC and 25.5ºC in Malaysia. The measurements conducted on hospital buildings in Malaysia show that between the indoor comfort temperature and running mean outdoor temperature is ranging from 27ºC-31ºC [15]. Thus, the thermal discomfort in those buildings is undeniable.…”

Section: Results S and Discussionmentioning

confidence: 99%

The Thermal Condition and Comfort Temperature of Traditional Residential Houses Located in Mountainous Tropical Areas: An Adaptive Field Study Approach

Hermawan

Prianto

Setyowati

et al. 2019

Int. J. Adv. Sci. Eng. Inf. Technol.

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Thermal comfort may be evaluated from the thermal condition of residential houses and their occupants' satisfaction. This research evaluates the thermal comfort of traditional residential houses located in mountainous areas of Wonosobo, Indonesia. The evaluation is conducted based on the physical condition of residential houses and their occupants' satisfaction factors. A quantitative approach is employed to analyze the theory of static thermal comfort (Predicted Mean Vote/PMV) and that of adaptive thermal comfort (Actual Mean Vote/AMV). The research method is conducted based on a field study. The thermal condition is measured using 4 climate variables and 2 personal variables. Climate variables are air temperature, globe temperature, relative humidity and wind velocity. Personal variables are clothes and activity. AMV was based on thermal sensation from ASHRAE (American Society of Heating, Refrigerating and AirConditioning Engineers). The sensation thermal is very cold (-3), cold (-2), cool (-1), neutral (0), warm (+1), hot (+2), very hot (+3). The research has conducted a survey of 14 houses with 39 respondents. The research findings show that the comfort temperature is 24.47 o C within air temperature (T a) or 24.14 o C within T g or 24.17 o C within T o or 25.08 o C within T ET or 24.69 o C within T SET. These findings are compared to those previously conducted in Jakarta and Bandung showing that some differences are dealing with their comfort temperature. The other findings show that there are also some PMV and AMV differences of traditional residential houses located in the tropical mountainous areas.

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Section: Results S and Discussionmentioning

confidence: 99%

The Thermal Condition and Comfort Temperature of Traditional Residential Houses Located in Mountainous Tropical Areas: An Adaptive Field Study Approach

Hermawan

Prianto

Setyowati

et al. 2019

Int. J. Adv. Sci. Eng. Inf. Technol.

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“…The time disparities did not lead to uncertainties in weather conditions because of the consistent hot and humid climate experienced throughout the year. The mean annual outdoor air temperature and relative humidity (RH) were reported as 28 ± 2 • C and 80 ± 7%, respectively [36]. The measurement periods are limited to 09:30-13:30, 07:30-09:30, and 16:00-18:00 based on different locations that will be further describe in Section 2.3.…”

Section: Measurement Sites and Periodsmentioning

confidence: 99%

Effects of Roadside Trees and Road Orientation on Thermal Environment in a Tropical City

et al. 2020

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Emerging tropical cities are experiencing rapid population growth and development, which can greatly affect the thermal environments. The effects of roadside trees and road orientation on the outdoor thermal environment were investigated on four different roads in Kuala Lumpur, Malaysia. Field measurements were conducted to assess outdoor thermal environments, where the selection of sites was based on different roadside tree morphological features and road orientations. Outdoor air temperature (Ta), relative humidity (RH), globe temperature (Tg), wind speed (WS), and wind direction (WD) were measured. Absolute humidity (AH) was estimated based on relative humidity and air temperature. Planting dense canopy trees with an average sky view factor (SVF) of 0.07 reduced the mean radiant temperature (Tmrt) by 35% and the physiological equivalent temperature (PET) by 25%. East–West (E–W) and Northwest–Southeast (NW–SE) oriented roads had high PET values of 41 °C and 43 °C, respectively. North–South (N–S) and Northeast–Southwest (NE–SW) orientated roads had lower PET values (37 °C), providing improved outdoor microclimate. Roadside trees provided greater cooling potential in E–W and NW–SE oriented roads. The findings are useful for urban road design in tropical cities in order to improve the outdoor thermal environment and pedestrian comfort.

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“…The reported respondents' clothing in the questionnaire surveys were converted into numerical values, with reference to ASHRAE Standard 55-2013 [27] and ISO 7703:2005 [28]. In order to reduce the impact of outliers in the database, a binning method, which is common in comfort research [29][30][31][32], was adopted by taking the weighted averages for every half-degree-Celsius bin. Figure 5 illustrates the linear regression plots between the average clothing value and the indoor operative temperature and outdoor temperature respectively for the summer period.…”

Section: Investigation Of Influence Of Indoor Operative Temperature Amentioning

confidence: 99%

Evaluation of thermal comfort in building transitional spaces - Field studies in Cardiff, UK

Tse

Jones

2019

Building and Environment

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Investigation of comfort temperature and thermal adaptation for patients and visitors in Malaysian hospitals

Cited by 74 publications

References 37 publications

The Thermal Condition and Comfort Temperature of Traditional Residential Houses Located in Mountainous Tropical Areas: An Adaptive Field Study Approach

The Thermal Condition and Comfort Temperature of Traditional Residential Houses Located in Mountainous Tropical Areas: An Adaptive Field Study Approach

Effects of Roadside Trees and Road Orientation on Thermal Environment in a Tropical City

Evaluation of thermal comfort in building transitional spaces - Field studies in Cardiff, UK

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