Occupant responses on satisfaction with window size in physical and virtual built environments

Hong, Taehoon; Lee, Minhyun; Yeom, Seungkeun; Jeong, Kwangbok

doi:10.1016/j.buildenv.2019.106409

Cited by 85 publications

(46 citation statements)

References 39 publications

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“…Second, the 3D modeling feature of SketchUp was imported into Unreal Engine 4 using Unreal Datasmith SketchUp Exporter and Importer , after which rendering was performed. The VR software Unreal Engine 4 was widely used in the previous studies for the psychological evaluation of the occupants of an indoor environment due to its advantage over other VR software for improving the sense of the presence of the occupants 27,28 . The VR hardware used was Htc Vive with the head‐mounted display feature.…”

Section: Methodsmentioning

confidence: 99%

“…The VR software Unreal Engine 4 was widely used in the previous studies for the psychological evaluation of the occupants of an indoor environment due to its advantage over other VR software for improving the sense of the presence of the occupants. 27,28 The VR hardware used was Htc Vive with the head-mounted display feature. In this study, the two motion sensors that were used to detect the movement and rotation of the Htc Vive were put face-to-face at a height of 1.9 m from the floor and were spaced 5 m apart.…”

Section: Implementation Process Of the Virtual Environmentmentioning

confidence: 99%

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Emotional impact, task performance and task load of green walls exposure in a virtual environment

et al. 2021

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Recently, due to the Coronavirus Disease 2019 (COVID-19) pandemic, most countries around the world have issued "stay-at-home" orders to restrict people's face-to-face activities. Social changes (e.g., social distancing, non-contact culture, and telecommuting) due to COVID-19 drastically increased the time people spent indoors. 1,2 The decrease in outdoor activities, increase in social isolation, and fear of COVID-19 contagion have adversely affected human mental health, subsequently becoming a major cause of insomnia, depression, and suicide. [3][4][5] Accordingly, the role of visual elements of indoor environments that can restore human mental health has become important.The application of natural elements (e.g., indoor plants, indoor gardens, green walls, and green roofs) as a method of creating healthy indoor environments is increasing. 6 Biophilic design, which uses elements of nature as architectural elements of interior spaces, recently received attention and is included as a key design item in green building certifications such as the WELL Building Standard, the Leadership in Energy and Environmental Design, and the Green Standard for Energy and Environmental Design. [7][8][9] Biophilic design began to attract attention from the book "The Biophilia Hypothesis" written by Stephen Kellert and E. O. Wilson in 1993. 10 Its visual role can be explained by various environmental psychological theories (e.g., the Stress Recovery Theory and the Attention Restoration Theory).

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Section: Methodsmentioning

confidence: 99%

Section: Implementation Process Of the Virtual Environmentmentioning

confidence: 99%

Emotional impact, task performance and task load of green walls exposure in a virtual environment

et al. 2021

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“…To date, only a few studies examined the adequacy of IVEs for validation purposes through the comparison with the real counterpart while assessing users' comfort levels and satisfaction (e.g. [9][10][11][12][13][14][15][16]), productivity [17], occupant behaviour [8,9,18]. Hence, thermal behavioural and performance studies employing VR are still at the initial state.…”

Section: Ive Setupmentioning

confidence: 99%

“…to be read by participants during the pre-experimental phase and a modified one used during the operative phase to evaluate the work efficiency by counting all the errors contained (totally 12). While keeping the same number (12) and typology, the errors in the text were changed among each experimental session creating a similar level of difficulty.…”

Section: Participantsmentioning

confidence: 99%

Immersive Virtual vs. Real Environment: a validation field-study to assess occupants’ work productivity and comfort

Giuseppe¹,

Latini²,

Perna³

2022

tema

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In order to maximise occupants’ well-being and work efficiency, keep satisfying environmental conditions, and minimise costs and impact related to the operative and energy use, a “human-centric” approach is more and more pursued in buildings’ design and performance assessment. In this context, the use of Virtual Reality (VR) is emerging due to its advantages (low cost, repeatability, and speed of execution) compared to physical study settings. However, in Immersive Virtual Environments (IVE), it is important to ensure that data represented and collected faithfully replicate the physical environments. In order to provide a further contribution in terms of IVE validation process in the building field, this research presents results from an experimental study, where subjects’ performance tests and comfort assessments were compared in real and virtual office settings under three different walls colour layouts and two air temperature levels. “Internal”, “ecological” and “construct” validity of the IVE have been demonstrated. Findings revealed no statistically significant differences in productivity and sensation votes and in the impact of colour and temperature variables. Results then highlight a strong agreement of the two tested environments, revealing that VR is a potentially reliable tool to measure its real counterparts in terms of occupants’ productivity, perception, and behaviour under different test conditions.

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“…From their point of view, decision-makers should "adopt a more human centric approach for building optimization by considering many possibilities for building operation." On the other hand, Hong et al concentrated their efforts on occupant satisfaction with respect to the sense of inner space and visual comfort for different window sizes (Hong et al, 2019). They concluded, through a survey and virtual reality modeling, that sense of inner space tends to increase as the WWR increases, especially between 15 and 30% WWR.…”

Section: Introductionmentioning

confidence: 99%

Impact of Window-to-Wall Ratio on Heating Demand and Thermal Comfort When Considering a Variety of Occupant Behavior Profiles

Veillette

Rouleau

Gosselin

2021

Front. Sustain. Cities

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Energy consumption and thermal comfort in residential buildings are highly influenced by occupant behavior, which exhibits a high level of day-to-day and dwelling-to-dwelling variance. Although occupant behavior stochastic models have been developed in the past, the analysis or selection of a building design parameter is typically based on simulations that use a single “average” occupant behavior schedule which does not account for all possible profiles. The objective of this study is to enhance the understanding of how window-to-wall ratio (WWR) of a residential unit affects heating demand and thermal comfort when considering occupant behavior diversity through a parametric analysis. To do so, a stochastic occupant behavior model generates a high number of possible profiles, which are then used as input in an energy simulation of the dwelling. As a result, one obtains probability distributions of energy consumption and comfort for different WWR values. The paper shows that the shape of the probability distributions is affected by WWR and dwelling orientation, and that the influence of different occupant behavior aspects on performance also varies with WWR. This work could help designers to better assess the impact of WWR for a large spectrum of possible occupant behavior profiles.

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Occupant responses on satisfaction with window size in physical and virtual built environments

Cited by 85 publications

References 39 publications

Emotional impact, task performance and task load of green walls exposure in a virtual environment

Emotional impact, task performance and task load of green walls exposure in a virtual environment

Immersive Virtual vs. Real Environment: a validation field-study to assess occupants’ work productivity and comfort

Impact of Window-to-Wall Ratio on Heating Demand and Thermal Comfort When Considering a Variety of Occupant Behavior Profiles

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