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Techno-economic evaluation of integrating a PCM thermal battery into cooling systems (part 2)
This paper presents a techno-economic evaluation of a phase change material (PCM) thermal battery (TB) system developed through an industry-university cooperation project.
Techno-economic evaluation of integrating a PCM thermal battery into cooling systems
This paper presents a techno-economic evaluation of a phase change material (PCM) thermal battery (TB) system developed through an industry-university cooperation project.
Computational fluid dynamics modelling of ventilation in road tunnels: enhancing air quality and safety
Ventilation units within vehicle tunnels play a pivotal role in ensuring safety and optimal air quality for
occupants. These units are used to assist with propelling air from one end to the opposite end of the tunnel.
Computational fluid dynamics (CFD) has emerged as an invaluable design tool for engineers and stakeholders,
offering simulated insights and data to optimise safety and efficiency in tunnel projects. This paper
emphasises the advantages of CFD for road tunnel ventilation design, showcases a case study involving
impulse fans, and highlights the positive effects on project costs and overall tunnel ventilation performance.
Semiconductor Heat Pumps – A New Approach to Zero Emissions Heating
By Amnon Holland, MIEAust, CPEng, NER, M.AIRAHAs a result of the increased contribution of renewable energy for electricity generation and rising gas prices, there has been a shift from natural gas to electric-based heating in recent times. Commonly used electric...
CFD Analysis of Fixture Output Impact on Upper Room Germicidal Ultraviolet Light System Performance
Kishor Khankari, PH.D., Fellow ASHRAE; William Bahnfleth, PH.D., P.E., Presidential Fellow ASHRAEUltraviolet germicidal irradiation (UVGI) using electromagnetic radiation in the UV‑C wavelength band of 200–280nm can prevent the reproduction of microorganisms. Several...
Striking a balance: planning and implementation considerations for natural gas removal in hospitals
By Simon Witts BSc, CEng, MAIRAH, MCIBSE, FIEAust, CPEng, NER, APEC, IntPE(Aus); James Moyes MEng CEng MCIBSE MIEAust CPEng NER APEC IntPE(Aus) PE(Vic); and Broden Kay BEng (Architectural Engineering), Hons ABSTRACT This paper examines the challenges associated with...
Artificial Intelligence (AI) applications in the building and property industry
Arsen Ilhan, Stud.AIRAHABSTRACT Artificial intelligence (AI) is an area of computer science that emphasises the creation of intelligent agents, which are systems that can learn and act autonomously. AI deals with the question of how to create computers that are...
Developing a framework for delivering quality towards a sustainable built form future
Peter Phillips, F.AIRAH Member ASHRAE (Ret), Fellow AIRAH (Ret)ABSTRACT Delivering successful, high-quality, sustainable, future-proofed, built-form projects requires planning and coordination of complementary factors. This includes broad-based statements and detailed...
Disaggregation of precipitation data applicable for climate‑aware planning
David Ferrari*, Masoume Mahmoodi**, Chithral Kodagoda*, Nihal Abdul Hameed*, Trevor Lee*, Graham Anderson* * Exemplary Energy** College of Engineering and Computer Science, Australian National University, CanberraABSTRACT High-temporal-resolution precipitation data of...
Development of a whole-house energy rating tool for new housing
In 2019, Australian energy ministers agreed on the need for the Trajectory for Low Energy Buildings (the Trajectory). One of the key aspects in the Trajectory for residential buildings is to expand the Nationwide House Energy Rating Scheme (NatHERS) to offer nationally accredited whole-of-home (WoH) tools to enable compliance requirements in the National Construction Code (NCC).
Three cheers!
The electrification of 3 Ravens brewery in Melbourne could serve as a blueprint for other craft operations, as Nick Johns-Wickberg discovers. If Melbourne is the hipster capital of Australia, then Thornbury might just be its hottest spot right now. Over the past few...
Legionella in a warming world
Clive Broadbent, L.AIRAH, discusses how climate change and increases in surface water temperatures could potentially encourage the growth of bacteria that prefer warm water (mesophiles), including Legionella. A haunting metaphor In classical mythology, the tale of...
Double trouble
Mark Lommers, M.AIRAH, looks at the repeal of Western Australia’s controversial Sewerage (Lighting, Ventilation and Construction) Regulations 1971, which for more than 50 years required the doubling up of toilet exhaust fans. For many years, the legacy of Western...
A win-win for regional healthcare
The award-winning upgrade to Goondiwindi Hospital’s HVAC system has helped future-proof one of regional Queensland’s most important healthcare hubs. Anyone who has spent even one night in a hospital can appreciate how crucial HVAC&R is in a healthcare setting....
How to make money from batteries
Craig Roussac from Buildings Alive looks at what investing in batteries can mean for building owners in Australia.Saving energy saves money and reduces greenhouse gas emissions. This fact has underpinned efficiency programs and driven investment returns for...
Howzat for heat monitoring?!
Nick Johns-Wickberg discovers how a heat monitoring tool developed by the University of Sydney is playing an important role in local sport. It’s 3:46pm on a Sunday and I’m standing at fine leg in 40°C heat. I’ve just bowled my fourth over on the trot, each ball coming...
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