Influence of indoor environmental quality on the self-estimated performance of office workers in the tropical wet and hot climate of Cameroon

Kameni Nematchoua, Modeste; Ricciardi, Paola; Orosa, José  Antonio; Asadi, Somayeh; Choudhary, Ruchi

doi:10.1016/j.jobe.2018.10.007

Article (Scientific journals)

Influence of indoor environmental quality on the self-estimated performance of office workers in the tropical wet and hot climate of Cameroon

Kameni Nematchoua, Modeste; Ricciardi, Paola; Orosa, José Antonio et al.

2019 • In Journal of Building Engineering, 21, p. 141-148

Peer Reviewed verified by ORBi

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https://hdl.handle.net/2268/233440

DOI
10.1016/j.jobe.2018.10.007

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Keywords :

Thermal comfort; Indoor environmental quality; Self-estimated performance; Office buildings; Tropical zones; Building occupants

Abstract :

[en] The aim of this research is to carry out a meticulous statistical analysis of the impact of indoor environmental quality (IEQ) on self-estimated performanceof workers in the tropical region. An experimental study and questionnaires were adapted in102 offices distributed across 23 buildings in the wet regions of Cameroon. This work was conducted during two seasons (dry and rainy seasons) by using a new adaptive approach in naturally ventilated environments, in accordance with American Society of Heating, Refrigerating and Air Conditioning Engineers(ASHRAE55), International Standardization Organization (ISO7730), and ISO 10551. The wind speed, air temperature, relative humidity, and the CO2 levels were assessed, and 600 questionnaires were distributed simultaneously. The results showed that the indoor air has an important effect on the office workers’ productivity. The self-estimated performance increases when the temperature is between 17.5 and 23.4 °C. The optimum performance was noted when the thermal sensation vote was neutral; meanwhile, the total thermal discomfort was recorded above 28 °C, which drastically reduced the worker's performance.

Disciplines :

Architecture

Author, co-author :

Kameni Nematchoua, Modeste ; University of Pavia > Département of civil Engineering and Architechture

Ricciardi, Paola; University of Pavia > Department of Engineering and Architechture

Orosa, José Antonio; University of Coruna, Spain > Department of Energy and Marine

Asadi, Somayeh; University of Pennsylvania - Penn > Department of Architechture Engineering

Choudhary, Ruchi; University of Cambridge > Department of Architecture Engineering

Language :

English

Title :

Influence of indoor environmental quality on the self-estimated performance of office workers in the tropical wet and hot climate of Cameroon

Publication date :

01 January 2019

Journal title :

Journal of Building Engineering

eISSN :

2352-7102

Publisher :

Elsevier, United Kingdom

Volume :

Pages :

141-148

Peer reviewed :

Peer Reviewed verified by ORBi

Available on ORBi :

since 03 March 2019

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