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Category: Technical Paper

From device to the cloud: approaches and challenges in getting HVAC&R data from remote devices

From device to the cloud: approaches and challenges in getting HVAC&R data from remote devices

Posted by | Mar 30, 2022 | ,

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. 

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Planning for carbon neutral in existing buildings

Planning for carbon neutral in existing buildings

Posted by | Feb 22, 2022 |

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.

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Next-generation fault detection for commercial building HVAC systems

Next-generation fault detection for commercial building HVAC systems

Posted by | Feb 22, 2022 |

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.

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Moderating the Impact of Integrating Water-Cooled Servers Into Data Centres

Moderating the Impact of Integrating Water-Cooled Servers Into Data Centres

Posted by | Feb 22, 2022 |

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.

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Staying power

Staying power

Dec 14, 2023

One test of an award program’s veracity is how well the decision to bestow plaudits is viewed through the lens of time.

(Very) artificial intelligence (well, maybe) – a practical view 

(Very) artificial intelligence (well, maybe) – a practical view 

Dec 13, 2023

Recent professional opinions on the use of AI in real-world building applications have raised some concerns with Alan Obrart, L.AIRAH.  Like me, you’ve probably been reading a considerable amount lately about AI, or artificial intelligence.   The ASHRAE Journal, New...

Where did the time go?

Where did the time go?

Dec 13, 2023

So, we are almost at the end of 2023 – where does the time go? Here’s the thing: we are focused on net zero and carbon neutrality, but what has been done in the past 12 months to reach our targets, and where will we be at the end of the next 12 months, I wonder?   I...

Top Operator

Top Operator

Dec 13, 2023

Adelaide-based Nathan Budarick, M.AIRAH, is a research and development technician/engineer for Seeley. Responsibilities  Every day can bring something different, from discussing/designing concepts, testing/building these concepts, field-testing prototypes, all the way...

Cor Blimey!

Cor Blimey!

Dec 12, 2023

Camfil has launched a corrosion control monitor called the AirImage-COR that monitors corrosion in real time. The technology uses electrical resistance (ER) sensors to help mitigate the risk of corrosion.  Data centres, wastewater treatment facilities, petrochemical...

Hotter than ever

Hotter than ever

Dec 12, 2023

In November, the planet briefly exceeded a dreaded milestone: 2°C of warming above pre-industrial levels.Data from the Copernicus Climate Change Service – run by the European Centre for Medium-Range Weather Forecasts – shows that on November 17 and 18, the planet was...

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