Results – Evidence Library

Using Open Door/Windows To Ventilate Bedrooms And The Consequent Effect On Sleep Quality

Loomans, M. G. L. C., & Mishra, A. - 2018

For the article, please use the following link: https://sciencetrends.com/using-open-door-windows-to-ventilate-bedrooms-and-the-consequent-effect-on-sleep-quality/

Long-term monitoring for indoor climate assessment – The association between objective and subjective data

Loomans, M. G. L. C., Mishra, A., & Kooi, L. - 2020 - Building and Environment, 179, 106978

To enhance indoor climate monitoring and indoor climate assessment, a better understanding of the collection and analysis of monitored data, over longer time periods, is necessary. The goal of this work is to improve long-term monitoring in order to arrive at better performance of building indoor climate, with the perception of occupants in mind. Indoor climate was monitored in an open plan office lay-out in two Case study office buildings, during two periods each. Indoor climate data was...

Actimetry for Estimating Occupant Activity Levels in Buildings: A Step Toward Optimal and Energy-Efficient Indoor Conditioning

Mishra, A., Loomans, M. G. L. C., & Kosonen, R. - 2019 - IEEE Consumer Electronics Magazine, 8, 67–71

This article presents an improved approach for assessing occupant thermal comfort and, in turn, more efficient indoor conditioning. The occupant activity level is an important determinant of required comfort conditions and thus building energy use. For nine volunteers, the activity pattern during typical office days was monitored. Detailed profiles of the occupant activity levels were obtained and, using clustering analysis, divided into "Sedentary" and "Active" groups. Although occupants...

Thermal comfort of heterogeneous and dynamic indoor conditions — An overview

Mishra, A., Loomans, M. G. L. C., & Hensen, J. - 2016 - Building and Environment, 109

The buildings sector, being a leading energy consumer, would need to lead in conservation efforts as well. There is a growing consensus that variability in indoor conditions can be acceptable to occupants, improve comfort perception, and lower building energy consumption. This work endeavours to scrutinise and summarise studies that examined human thermal and comfort perception to such variations in the indoor environment: spatial transients, non-uniformities, and temperature drifts. We also...

Understanding thermal comfort perception of nurses in a hospital ward work environment

Derks, M., Mishra, A., Loomans, M. G. L. C., & Kort, H. - 2018 - Building and Environment, 140

In indoor comfort research, thermal comfort of care-professionals in hospital environment is a little explored topic. To address this gap, a mixed methods study, with the nursing staff in hospital wards acting as participants, was undertaken. Responses were collected during three weeks in the summer (n = 89), and four weeks in the autumn (n = 43). Analysis of the subjective feedback from nurses and the measured indoor thermal conditions revealed that the existent thermal conditions (varying...

Window/door opening-mediated bedroom ventilation and its impact on sleep quality of healthy, young adults

Mishra, A., Ruitenbeek, A., Loomans, M. G. L. C., & Kort, H. - 2017 - Indoor Air, 28

This work examined window/door opening as means of bedroom ventilation and the consequent effect upon occupants’ sleep, using data from 17 healthy volunteers. Bedroom CO2 level, temperature, and relative humidity were measured over 5 days, for two cases: open window or door (internal, bedroom door), and closed window and door. Participant filled questionnaires and sleep diary provided subjective measure of sleep quality. Actigraphy objectively monitored the participants during sleep....

Occupant response to transitions across indoor thermal environments in two different workspaces

Loomans, M. G. L. C., Mishra, A., Derks, M., … Kort, H. - 2018 - Building and Environment, 144

To understand how transition across different thermal zones in a building impacts the thermal perception of occupants, the current work examines occupant feedback in two work environments — nursing staff in hospital wards and the workers in an office. Both studies used a mix of subjective surveys and objective measurements. A total of 96 responses were collected from the hospital wards while 142 were collected from the office. The thermal environment in the hospital wards was perceived as...

Long-term monitoring of the thermal environment in office buildings

Koi, L., Mishra, A., Loomans, M. G. L. C., … Hensen, J. - 2018 - Rehva Journal

Existing guidelines on monitoring of Indoor Climate Quality (ICQ) do not adequately address long term monitoring. A better understanding of the collection and analysis of monitored data, extending over a longtime period is required. This study aimed at addressing the aforementioned research gaps. The study took place in two office buildings, during two periods each: February & May (case I) and April & June (case II). Thermal environment data was obtained across several locations in the room....

Hospitals wards in low energy buildings: Paying heed to patient thermal comfort

Osta, M., Mishra, A., Loomans, M. G. L. C., … Maassen, W. - 2017

Analysing thermal comfort perception of students through the class hour, during heating season, in a university classroom

Mishra, A., Derks, M., Kooi, L., … Kort, H. - 2017 - Building and Environment, 125

Indoor to outdoor transitions, and the subsequent occupant adaptation, impact thermal perception of occupants and their evaluation of a building. A mixed methods thermal comfort study in a classroom of Eindhoven University of Technology was conducted to provide a better understanding of thermal perception of students as they move into and adapt to their classroom environment. Data was collected over two weeks during heating period, with different heating set-points. A total of 384 students,...

Contradictory thermal comfort requirements in a neonatal intensive care units: exploring middle grounds

Teuwen, S., Mishra, A., Loomans, M. G. L. C., … Kort, H. - 2017

A NICU (Neonatal Intensive Care Unit) ward caters to critical situations. Health and wellbeing of premature infants are positively impacted through attention to the indoor thermal conditions. At the same, the caregivers (hospital personnel and parents) have different thermal comfort requirements. This research addresses these contradictory thermal comfort requirements. Thermal conditions were monitored in and close to an operational incubator, placed in a climate chamber. Investigated...

HEAlthy Low Energy Redesigns for Schools in Delhi

Vervoort, J., Boerstra, A., Virta, M., … Hensen, J. - 2018 - 5, 42–46

Indoor air quality and thermal comfort of existing naturally ventilated classrooms in the Indian capital territory, Delhi, is substandard. This should be improved while trying to prevent the increase in energy demand. The research question focused on solution options to answer these contradictory requirements.

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