Calculation and evaluation basis for the dynamic operation of ventilation systems, consisting of air handling units (conditioning) and duct network (distribution) for increasing energy efficiency in part-load operation.
The air conditioning of “clean rooms” (German: “Reine Räume”) in healthcare and industrial production is associated with high energy consumption. In clean rooms and operating rooms, the concentration of airborne particles or germs should be kept as low as possible to protect the product or individuals. Planners and users are uncertain about the behavior of particles in the room. To ensure the required protective effect, very high air exchange rates are used, leading to a very high energy demand.
The research project EnEff: Reine Räume aims to reduce this energy demand while maintaining the same level of protection. The focus is on examining the local ventilation effectiveness, with particular interest in the study of the protective effect of source ventilation and decentralized free jets. Alternatives to the current practice of assuming fixed air exchange rates are proposed.
To conduct experimental investigations, a highly modular research laboratory was established at HRI. This laboratory includes two clean rooms of different protection classes with associated airlocks, covering approximately 90% of the cases installed in practice and is therefore unique in Germany.
In addition, computational fluid dynamics (CFD) simulations are employed to provide a detailed insight into complex flow patterns. The results are intended to enhance safety in the design, construction, and operation of energy-efficient clean rooms.
Associate
Imtech
Project term | March 2014 to June 2017 |
Funding code | 03ET1206A |
Project management | Lukas Schumann |