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February 2008 - September 2013
Publications
Publications (16)
Contemporary concerns for improving environmental performance in buildings have led to an increased interest in natural ventilation (NV) either on its own or in combination with air-conditioning (mixed mode (MM)) as an alternative to traditional heating, ventilation and cooling (HVAC) systems. HVAC systems are widely used because they avoid many of...
In a field study conducted in office settings in Sydney, Australia, background survey and right-here-right-now thermal comfort questionnaires were collected from a sample of office workers. Indoor environmental observations, including air temperature, mean radiant temperature, air velocity, and relative humidity, were also recorded and matched with...
Recognizing the value of open-source research databases in advancing the art and science of HVAC, in 2014 the ASHRAE Global Thermal Comfort Database II project was launched under the leadership of University of California at Berkeley's Center for the Built Environment and The University of Sydney's Indoor Environmental Quality (IEQ) Laboratory. The...
This survey of thermal comfort in classrooms aimed to define empirically the preferred temperatures, neutral temperatures and acceptable temperature ranges for Australian school children, and to compare them with findings from adult populations. The survey was conducted in a mixture of air-conditioned, evaporative-cooled and naturally ventilated cl...
Current climate predictions are showing that Australia can expect warmer summers and increased number and severity of heat waves. This changing climate has significant implications for the design of buildings and air conditioning systems. The paper demonstrates that Australia will move to being a cooling dominated continent with a higher number of...
Historically, post-occupancy evaluation (POE) was developed to evaluate actual building performance, providing feedback for architects and building managers to potentially improve the quality and operation of the building. Whilst useful in gathering information based on user satisfaction, POE studies have typically lacked contextual information, co...
This survey of thermal comfort in classrooms aimed to define empirically the preferred temperatures, neutral temperatures and acceptable temperature ranges for Australian school children, and to compare them with findings from adult populations. The survey was conducted in a mixture of air-conditioned, evaporative-cooled and naturally ventilated cl...
This paper describes the practical application of an Adaptive Thermal Comfort
Policy for schools buildings in Australia. To date decisions about where and when
to install air-conditioning in schools have been based on an isotherm on the climate
map of the region in which they operate. The ASHRAE 55-2010R adaptive model
was used as the basis for the...
This paper investigates how mixed-mode (MM) ventilation affects occupant comfort by presenting results from a longitudinal field study within an office building located in sub-tropical Sydney, Australia. The building automatically switches into air-conditioned (AC) mode whenever indoor temperatures exceed 25°C. Coincident indoor and outdoor climate...
This paper follows the results of recent post-occupancy evaluation surveys within two office buildings at Macquarie University, Sydney Australia. Supplemented with an environmental attitudes questionnaire, based upon the New Ecological Paradigm (Dunlap et al. 2000), it was found that occupant satisfaction levels are positively associated with envir...
Contemporary concerns for improving environmental performance in buildings have led to an increased interest in natural ventilation either on its own (NV) or in combination with air-conditioning (mixed mode – MM) as an alternative to traditional HVAC systems. HVAC systems are widely used because they avoid many of the problems encountered with NV o...
Mixed-mode: these words are synonymous with the world's emergent 'green' buildings, heralded as low carbon buildings of the future. While the technical efficiency of such buildings is important, the well-being, productivity, (dis)comfort, general satisfaction of the occupants, as well as environmental attitudes and beliefs, is in itself, necessaril...