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Pushing the Boundaries of Net Zero in the Australian Outback
Using a hybrid of dynamic thermal simulation and detailed hourly spreadsheet calculations, the analysis identified design and operation strategies to size PV and batteries for various degrees of grid independence.
Optimisation of Economy Cycle Operation and Supply Air Temperature Control for VAV systems
In the future, many Australian HVAC systems may be required to deal with harsher environmental conditions due to more extreme climatic conditions and a push to increase population centres in more northern and central regions of the country.
Minimizing Transmission In High Occupant Density Settings, Part 1
By David Rothamer, Ph.D.; Scott Sanders, Ph.D.; Douglas Reindl, Ph.D., P.E., Fellow ASHRAE; Timothy Bertram, Ph.D.ABSTRACT In this first article in a two-part series, we review the current base of knowledge regarding transmission of COVID-19. After briefly introducing...
Exploring the potential of personal radiant cooling systems
In the future, many Australian HVAC systems may be required to deal with harsher environmental conditions due to more extreme climatic conditions and a push to increase population centres in more northern and central regions of the country.
Lessons for the future of Australian HVAC from Pilbara mining
In the future, many Australian HVAC systems may be required to deal with harsher environmental conditions due to more extreme climatic conditions and a push to increase population centres in more northern and central regions of the country.
From device to the cloud: approaches and challenges in getting HVAC&R data from remote devices
There is strong demand for HVAC&R monitoring and metering solutions that incorporate cloud data collection and real-time or near-real-time cloud-based control. This is enabled by reductions in the cost of sensors and meters, advances in communication technologies, the development of the Internet of Things (IoT) as a lower-cost alternative to traditionally vertically integrated systems, and the move to more frequent data collection.
Planning for carbon neutral in existing buildings
This paper explores the role of optimisation of existing infrastructure, onsite renewable and non-renewable generation, hardware changes and energy-procurement activities in achieving carbon neutral status for a mixed-use building in Melbourne, with consideration to moving electricity and gas grid factors (cost and emissions) across 15 years.
Next-generation fault detection for commercial building HVAC systems
Modern commercial buildings are becoming more complicated as the number of sensors, actuators and control loops increases. The building management system (BMS) used to control these components will often generate equipment faults and anomalous behaviour, which causes energy waste, thermal discomfort, and drives up maintenance costs. Such system failures may last for a long time before a facility manager or technician notices them. This necessitates the use of automated fault detection and diagnostics (AFDD) tools to detect operational faults and identify their root causes to ensure fault-free operation.
Moderating the Impact of Integrating Water-Cooled Servers Into Data Centres
Air cooling has worked well for systems that deploy processors up to 150W, but IT equipment is now being manufactured with processors well above 150W where air cooling is no longer practical. The power for one company’s graphics processor unit (GPU) is currently at 300W. Another company produces a CPU announced at 205W and a many integrated cores (MIC) GPU announced at 320W.
Matters of the heart
The adoption of a prefabrication strategy in the design and construction of mechanical services systems at the new Victorian Heart Hospital in Clayton solved numerous challenges associated with the build and project timelines. As Sean McGowan reports, the approach is a precursor to future healthcare projects.
Evan alrighty
Perth-based Evan Pratt, Affil.AIRAH, is residential HVAC project engineer and estimator for Consolidated Energy.
Royal Ciara
Mitsubishi Heavy Industries Air-Conditioners Australia (MHIAA) has announced the launch of its innovative Ciara compact wall-mounted split system, complete with built in wi-fi control.
Tall timber
Designed by Elenberg Fraser 6 Charles Street, or C6, has been and is being developed by Grange Development. It primarily consists of residential apartments, although the plans also include a 500m2 edible rooftop garden and dining and entertainment spaces. Residents will also have access to a car-share scheme that includes 80 Tesla electric vehicles.
Principles of the matter
Company values go beyond mere words on a page, writes Professor Gayle Avery.
Embracing responsibility and driving change
As I reflect on my personal journey with AIRAH over the past seven years, it’s clear that the past six months have been transformative.
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