101 Miller Street, North Sydney, Australia
In brief. Exhaust from MTU engines at 454 °C gives 1,500 kW of cooling to offices and shops in Sydney; greenhouse gas emissions are about half as high.
The office complex at 101 Miller Street in North Sydney is powered by two MTU engines. Exhaust at 454 °C goes to Thermax absorption chillers with a total capacity of 1,500 kW. According to the source, greenhouse gas emissions fell by about half, and the building received 5 Star NABERS and 5 Star Green Star ratings.
What does the project consist of?
| Parameter | Value |
|---|---|
| Industry | Commercial real estate |
| Engines | 2 MTU engines of 1,166 kW each |
| Fuel | Natural gas |
| Heat for the chiller | Exhaust at 454 °C |
| Chillers and cooling | Exhaust-fired, 1,500 kW (426 TR) in total |
| What the cooling is for | Air conditioning of 40,000 m² of offices and 10,000 m² of shops |
Why is this example useful for a Russian site?
The chillers take only the exhaust, so two engines of 1,166 kW each give 1,500 kW of cooling, about 0.64 kW per kW of electricity. In schemes with exhaust and jacket water, the same figure is about 1. If the jacket water is not used for cooling, its heat needs another consumer. More: trigeneration for business centers and hotels.
How does this kind of scheme work?
Engine exhaust goes straight into the absorption chiller, which supplies chilled water to the building.
Based on Thermax materials
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