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International Journal of Energy for a Clean Environment
SJR: 0.195 SNIP: 0.435 CiteScore™: 0.74

ISSN Imprimir: 2150-3621
ISSN On-line: 2150-363X

International Journal of Energy for a Clean Environment

Anteriormente Conhecido Como Clean Air: International Journal on Energy for a Clean Environment

DOI: 10.1615/InterJEnerCleanEnv.2016015562
pages 43-60

VIRTUAL THERMAL ENERGY METER

Mikhail Gorbounov
United Technologies Research Center, 411 Silver Lane, East Hartford, CT 06108, USA
Jinliang Wang
United Technologies Research Center, 411 Silver Lane, East Hartford, CT 06108, USA
Shui Yuan
United Technologies Research Center, 411 Silver Lane, East Hartford, CT 06108, USA
Hayden Reeve
United Technologies Research Center, 411 Silver Lane, East Hartford, CT 06108, USA

RESUMO

Thermal energy metering is a key enabler for improving the building energy efficiency and reducing the building operation costs. Unfortunately, current thermal energy meters that could be deployed for providing AHU-level metering rely on high-cost fluid flow rate measurement devices that reduce their adoption. The cost reduction of thermal metering will support the adoption and effectiveness of building commissioning and energy monitoring, optimal controls, and diagnostics. A low-cost flow rate estimation method has been developed by integrating the physics-based flow network modeling and data-driven statistical mapping techniques. In comparison with the current thermal energy metering technologies, this method not only significantly reduces the costs of material and installation, but also has a potential to reduce costs in commissioning and operation. Furthermore, it can be directly integrated into the building real-time intelligent monitoring and diagnostics systems. The effectiveness of the method was demonstrated in two buildings: a UTRC office building and West Chester University's Swope School of Music building.


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