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Article
Publication date: 23 October 2023

Francis O. Uzuegbunam, Fynecountry N. Aja and Eziyi O. Ibem

This research aims to investigate the influence of building design on the thermal comfort of occupants of naturally ventilated hospital (NVH) wards to identify the aspects with…

Abstract

Purpose

This research aims to investigate the influence of building design on the thermal comfort of occupants of naturally ventilated hospital (NVH) wards to identify the aspects with the most significant influence on the thermal comfort of hospital buildings during the hot-dry season in the hot-humid tropics of Southeast Nigeria.

Design/methodology/approach

Field measurements, physical observations and a questionnaire survey of 60 occupants of the wards of the Joint Presbyterian Hospital, Uburu in Ebonyi State, Nigeria were undertaken. The data were analysed using Humphreys' neutral temperature formula, descriptive statistics and multiple regression analysis.

Findings

The results revealed that the neutral temperature for the wards ranges from 26.2 °C to 29.9 °C, the thermal condition in the wards was not comfortable because it failed to meet the ASHRAE Standard 55 as only 65% of the occupants said the thermal condition was acceptable. The number and sizes of windows, building orientation, the presence of high-level windows and higher headroom significantly influenced the occupants' thermal comfort vote.

Practical implications

This research is valuable in estimating comfort temperature and identifying aspects that require attention in enhancing the capacity of NVH wards to effectively meet the thermal comfort needs of occupants in the hot-humid tropics of Southeast Nigeria and other regions that share similar climatic conditions.

Originality/value

To the best of the authors’ knowledge, this is the first study of this nature that provides valuable feedback for building design professionals on the performance of existing hospital buildings in meeting users' thermal comfort needs in the hot-dry season of the hot-humid tropics in Southeast Nigeria.

Details

International Journal of Building Pathology and Adaptation, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 2398-4708

Keywords

Article
Publication date: 16 December 2020

Charles Munonye

The paper aims to determine the thermal comfort perception of schoolchildren from a warm and humid environment. There is a concern about the effect of high temperature on the…

Abstract

Purpose

The paper aims to determine the thermal comfort perception of schoolchildren from a warm and humid environment. There is a concern about the effect of high temperature on the health and academic performance of schoolchildren.

Design/methodology/approach

Objective and subjective methodological approaches were adopted to collect data during the fieldwork in the selected primary schools. ASHRAE adaptive comfort model was adopted to analyze the data.

Findings

The paper provided empirical results about the comfort requirements of schoolchildren from the warm and humid environment. During the occupied school time, the studied schoolchildren were found to tolerate temperatures higher than the upper limit temperature recommended by ASHRAE Standard 55. The paper recommends that the studied children may not need any active ventilator to be thermally comfortable during the occupied school hours

Originality/value

The paper found the range of temperatures that schoolchildren from the warm and humid environment can adapt to. The information may be useful to architects, engineers and facility managers

Details

International Journal of Building Pathology and Adaptation, vol. 39 no. 5
Type: Research Article
ISSN: 2398-4708

Keywords

Article
Publication date: 21 April 2022

Omar Al-Hafith, Satish BK and Pieter de Wilde

Traditional central courtyards have been advocated for being thermally efficient for hot-climate regions. However, exploring previous literature shows that it is not clear to what…

Abstract

Purpose

Traditional central courtyards have been advocated for being thermally efficient for hot-climate regions. However, exploring previous literature shows that it is not clear to what extent courtyards are truly thermally comfortable. This study determines the level of thermal comfort in residential courtyards in hot-climate regions, taking Baghdad as a case study.

Design/methodology/approach

This study develops a novel Courtyard Thermal Usability Index (CTUI) to quantify the ability of courtyards to provide thermal comfort to occupants. CTUI is the fraction of useable thermally comfortable hours in courtyards of the total occupation hours during a specific period. To operationalise CTUI, the research employs the Envi-met 4.2 simulation tool to determine the annual thermal conditions of 360 courtyards. An adaptive thermal comfort model developed by Al-Hafith in 2020 for Iraq is used to judge simulated thermal conditions and determine CTUI.

Findings

CTUI enables determining the level of thermal comfort courtyards offer to occupants by showing the ratio of the thermally comfortable period versus the occupation period. Results show that, in Iraq, annually, courtyards offer up to 38% comfortable hours out of the total potential occupation hours. The rest of the time the courtyard will not be comfortable, mostly due to overheating. When designing courtyards, the most effective geometric property impacting courtyards' thermal conditions is width/height. The most important microclimatic factor impacting occupants' thermal sensation is mean radiant temperature (MRT). This study can be used to inform designing thermally efficient courtyards for hot-climate regions.

Originality/value

This study presents the first assessment of the thermal efficiency of courtyards in hot-climate regions depending on an assessment of their ability to provide thermal comfort to occupants. The study presents a novel index that can be used to quantify the ability of courtyards to provide a thermally comfortable environment to occupants.

Details

Smart and Sustainable Built Environment, vol. 12 no. 3
Type: Research Article
ISSN: 2046-6099

Keywords

Article
Publication date: 29 July 2021

Peiman Pilechiha, Alireza Norouziasas, Hoorieh Ghorbani Naeini and Kasmir Jolma

In vernacular buildings, many climatic and passive solutions have been used to create indoor thermal comfort. Seasonal occupant movement is an example of a traditional response to…

Abstract

Purpose

In vernacular buildings, many climatic and passive solutions have been used to create indoor thermal comfort. Seasonal occupant movement is an example of a traditional response to increasing thermal comfort. This article investigates the influence of these user behaviours on thermal comfort in courtyard houses.

Design/methodology/approach

Parametric models of three different scenarios of courtyard houses are simulated. The courtyard houses are located in Shiraz, Iran, and share the same orientation and construction materials. To enhance the accuracy of the study, the indoor adaptive thermal comfort (ATC) analysis is performed with three different window-to-wall ratios (WWR) of 25, 50 and 75%. The ACT analysis is performed on an hourly basis for summer and winter scenarios.

Findings

The results demonstrate that the indoor ATC is 8.3% higher in winter than in the summer in the seasonal zones. During the summer, the amount of ATC is relatively sustained in all zones. Unlike common beliefs, seasonal movement can enhance the ATC, especially during winter, specifically in the northern part of the courtyard. In northern zones, the seasonal movement of occupants improves the indoor ATC from 10.1 to 23.7%, and in southern zones, the improvement is from 2.2 to 4.8%.

Originality/value

This research presents a new numerical investigation into occupants' seasonal movements in courtyard houses during summer and winter. It provides a precise pattern to show how much this seasonal movement can affect the habitant's ATC.

Details

Smart and Sustainable Built Environment, vol. 11 no. 4
Type: Research Article
ISSN: 2046-6099

Keywords

Book part
Publication date: 25 September 2020

Morag Redford

This chapter critically examines the provision and underlying partnership structure of a range of online and distance teacher preparation courses introduced in Scotland from 2014…

Abstract

This chapter critically examines the provision and underlying partnership structure of a range of online and distance teacher preparation courses introduced in Scotland from 2014 to 2018. These courses reflect a period of teacher shortages and were developed by Universities in partnership with local authority employers, particularly in rural areas. This chapter explores the geographic and policy context before analysing the national and local policy drivers that led to the expansion of online and distance provision. The structures of a range of programmes introduced by the University of the Highlands and Islands, the University of Aberdeen and the University of Dundee are considered in detail. This is reflected against the national policy drivers of teacher shortages in rural areas, the challenges of recruiting secondary science and technology teachers and the introduction of national funding from the Scottish Government for ‘New Routes into Teaching’. The Government aim of recruiting highly qualified graduates into teaching as a career is contrasted with the local requirement to support a wider more equitable access to a teaching career, for people already committed to living in rural Scotland. This chapter concludes with an analysis of the processes and technology utilised in these programmes before considering the future of online and distance teacher preparation in Scotland.

Details

Teacher Preparation in Scotland
Type: Book
ISBN: 978-1-83909-480-4

Keywords

Article
Publication date: 21 November 2016

Salman Shooshtarian and Ian Ridley

Assessment of outdoor thermal perception in urban spaces is of particular importance due to its financial, social and ecological consequences. Thermal perception includes four…

Abstract

Purpose

Assessment of outdoor thermal perception in urban spaces is of particular importance due to its financial, social and ecological consequences. Thermal perception includes four elements: thermal sensation votes (TSV), thermal preference (Tpref), overall thermal comfort (Tc) and thermal acceptability (Taccept). Thermal acceptability can offer a benchmark that specifies the acceptable thermal range (ATR), which is useful for urban planners, designers, and bio-meteorologists. ATR, however, can be defined either using direct or indirect measures. The purpose of this paper is to investigate the validity of the indirect measures of ATR, which are most commonly used in outdoor thermal comfort assessments.

Design/methodology/approach

This study was conducted in the context of Melbourne, which has an oceanic temperate climate (Cfb). Three sites forming RMIT University City Campus (RUCC) were selected as the case studies, which were located in the heart of Melbourne Central Business District. A field survey was conducted in RUCC during three seasons, from November 2014 (Spring) to May 2015 (Autumn), which consisted of concurrent field measurements and questionnaire surveys from 9:00 a.m. to 5:00 p.m.

Findings

In total, 1,059 valid questionnaires were collected from the three sites of RUCC. The results of comparative analysis between the different measures of ATR determination showed that the various elements of thermal perceptions expressed the users’ thermal judgements in different ways. Therefore, it was found that the instruction recommended by the thermal comfort standards on the definition of ATR failed to provide an appropriate estimation of ATR for outdoor built environments. The ATR, defined using TSV, therefore, was revised by the direct measure of thermal acceptability. The resulting range showed broader limits in acceptable thermal conditions in RUCC outdoor spaces users. Lastly, the results suggest that in the absence of directly measured acceptability of thermal conditions in field surveys, overall comfort is the most appropriate indirect measure to use.

Originality/value

Some indoor thermal comfort studies have used the alternatives for defining ATR. However, as the applicability of these four methods is yet to be fully explored in outdoor conditions with large weather variations, it is valuable to conduct a comparative analysis among these methods. This study also intended to understand the dynamics of comfort range under non-steady and non-uniform outdoor conditions. The resultant outcome has provided information on the relationship between different measures of thermal perceptions. Ultimately, this research aimed to explore the extent to which the indirect measures of acceptability are considered as a reliable source of information compared to the direct measure.

Details

Smart and Sustainable Built Environment, vol. 5 no. 4
Type: Research Article
ISSN: 2046-6099

Keywords

Article
Publication date: 12 January 2021

Christian Koranteng, Barbara Simons and Frederick Wireko Manu

Many countries the world over continue to grapple with issues of thermal discomfort both within and without – a condition that has arisen due to incessant urbanization, climate…

Abstract

Purpose

Many countries the world over continue to grapple with issues of thermal discomfort both within and without – a condition that has arisen due to incessant urbanization, climate change, among others. The current study focussed on assessing the level of thermal stress both in and outdoors towards finding measures to reduce overheating in spaces within the Savannah climatic region of Ghana through a four-stage approach.

Design/methodology/approach

A four-stage approach has been used for the study; thus, a thermal comfort analysis based on physiologically equivalent temperature (PET), overheating assessment, a subjective thermal responses/evaluation of residents and a simulation effort to improve comfort.

Findings

There was an indication of “moderate cold stress to slight cold stress” on the coolest day (28th December). On the warmest day (12th April), however, the indoor environment had exceedance and severity of overheating of at least 56% and 38-degree hours. The acceptable comfort range and comfort temperatures of occupants of buildings in the study area have been determined to be 25.5–33 °C by the thermal sensation survey. Meanwhile, the simulation showed that a 200% increase in thermal mass, exterior wall insulation and roof extension and insulation has the potential to generate a reduction of 18% in overheated hours.

Originality/value

The paper unearths the flagrant disregard for thermal comfort in an attempt of “copying blindly” architecture from Southern Ghana by the affluent within the Savannah Region. Again, data provided prove that indeed human activities have worsened the plight of inhabitants through materials as well as construction methods.

Details

Engineering, Construction and Architectural Management, vol. 28 no. 10
Type: Research Article
ISSN: 0969-9988

Keywords

Article
Publication date: 8 April 2024

Marcus Wayne Johnson, Anthony Johnson, Langston Clark, Jonathan E. Howe, Traveon Jefferson, Dionte McClendon, Brandon Crooms and Daniel J. Thomas

This study aims to stimulate scholarly attention and practical application pertaining to individuals recognized as “Docs.” Through conducting a comprehensive analysis and…

Abstract

Purpose

This study aims to stimulate scholarly attention and practical application pertaining to individuals recognized as “Docs.” Through conducting a comprehensive analysis and acquiring a profound understanding of its many connotations, the objective is to shift attitudes and approaches concerning those who are seen to possess knowledge and value within society.

Design/methodology/approach

For this study, culturally relevant pedagogies were used as theoretical frameworks in addition to Sankofa and concept explication being used as methodologies.

Findings

The authors identified three themes: (1) honorary cultural practice-community nomination of “professahs” and “docs,” (2) (Black) robinhoods – cultural signifiers of distinction and relatability and (3) docs as catalysts – elevating community via consciousness, trust and mentorship as significant understandings of this distinction.

Originality/value

The study emphasizes the importance of “Docs” in both academic and social contexts. The role of “Docs” serves to alleviate potential conflicts of being a Black intellectual. This study further reveals the ways in which Docs align with, promote or possibly undermine established frameworks of thought. Finally, this study provides institutions with opportunities to consider strategies for the utilization, recognition and integration of individuals who are frequently overlooked or undervalued.

Details

Journal for Multicultural Education, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 2053-535X

Keywords

Article
Publication date: 21 March 2016

Jill Stewart and Surindar Dhesi

The purpose of this paper is to consolidate policy, research, evidence and good practice around strategies tackling fuel poverty and affordable warmth for older people aged over…

Abstract

Purpose

The purpose of this paper is to consolidate policy, research, evidence and good practice around strategies tackling fuel poverty and affordable warmth for older people aged over 60 to support the development of more effective services for this life course stage and to tackle physical and mental health inequalities.

Design/methodology/approach

The authors consolidate current policy, research, evidence and examples of good practice in exploring effective interprofessional approaches that contribute to affordable warmth for older people through “desktop analysis”. The authors support this with qualitative data from Health and Wellbeing Boards (HWBs), health inequalities and environmental health from research comprising four longitudinal case studies in the Midlands and North of England over 18 months and semi-structured interviews with members and support officers. A total of 50 interviews were undertaken and 55 hours of HWB meetings observed.

Findings

There are numerous older people living in fuel poverty. The depth of fuel poverty increases with age particularly the over 75s and physical and mental ill health are affected. There are an increasing number of tools to help estimate health care costs around the cost effectiveness of interventions and there is a real need for more local evidence about what is working well, how and why. However, there is no mandatory requirement for fuel poverty strategies and more creative local strategies are required taking organisational and interprofessional relationships into account. The emphasis in integrated care provides new impetus and scope to encourage preventative services but these new partnerships need to be effective in what is a complex policy environment. There is still a long way to go in places. The challenges of ageing are numerous, complex and not fully understood and sit across multiple policy areas.

Originality/value

Fuel poverty strategies tend to be delivered on a geographical or income bases rather than by life course approach and a focus on older people. We need to focus more specifically on older people, a rapidly growing population and to better understand thermal properties of our ageing housing stock and how best to intervene to protect and improve health and safety. Emerging approaches need to overcome artificial statutory and non statutory divides and move towards sustainable, evidence based affordable warmth strategies for older people to protect and improve health.

Details

Housing, Care and Support, vol. 19 no. 1
Type: Research Article
ISSN: 1460-8790

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Article
Publication date: 13 July 2023

S.R. Toliver

The purpose of this paper is to further theorize BlackCrit to include a deeper focus on the framing idea of Black liberatory fantasy via Afrofuturism.

Abstract

Purpose

The purpose of this paper is to further theorize BlackCrit to include a deeper focus on the framing idea of Black liberatory fantasy via Afrofuturism.

Design/methodology/approach

To develop the theoretical connections, the author revisits their previous scholarship on Black girls’ Afrofuturist storytelling practices to elucidate how the girls used their speculative narratives to critique the antiblackness present in their schools and the world at large and to create future worlds in which they have the power to create the world anew.

Findings

This paper discusses the relationship between BlackCrit and Afrofuturism by considering three interrelated ideas: how Afrofuturism acknowledges the antiblackness embedded in the USA; how BlackCrit makes space for liberatory Black futures and otherwise worlds; and how each theoretical idea inherently complements the other.

Originality/value

This paper creatively uses a hip hop album as a foundation for the portrayal of the intricate connections between Black pasts, presents and futures. As a conceptual paper, it pushes educators and researchers to consider the call and response between antiblackness and Black futurity.

Details

Journal for Multicultural Education, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 2053-535X

Keywords

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