Air Source Heat Pumps in Retrofitting Applications

During the conference you will get an overview concerning the state of the art, current developments in R&D, trends and perspectives in the field of air source heat pumps for retrofitting applications in urban areas.
• You will get detailed information on using air to air systems for heating, cooling and heat recovery as well as actual developments in the areas of improving the refrigeration cycle, comfort and acoustic
• You will be served with information concerning the technical state of the art of air to water heat pumps and challenges of the energy labelling
• You will gain knowledge about the optimized design of a compressor for natural refrigerant for air source heat pumps
• You will be informed on the requirements for using natural refrigerants in heat pump applications
• You will get detailed information on frameworks in the field of acoustics and acoustic characterization for air source heat pumps



Programme

Air source heat pump applications

VRV systems for big applications for heating, cooling and heat recovery
• types of VRV systems
• application possibilities
• comfort & acoustics, sound emissions
• future trends and possibilities
• best practice

Experiences with an Air-to-Air Heat Pump installed in a Castle
• Burg Rabenstein
• Non-permanent Heating
• Simulation & Initial Measurement Results
• Univ.-Prof. Dr. René Rieberer, Institute of Thermal Engineering, Graz University of Technology, Austria

Cold Climate and Retrofit applications for Air-to-Air Heat Pumps
• R&D trends and results in IEA HPP Annex 41
• Improvements of the refrigeration cycle
• A/A heat pumps with small duct, high velocity air distribution system for retrofitting existing buildings

Air source heat pumps on the test rig and in standards
• Test results at 55°C
• Energy labelling of space heating heat pumps
• Seasonal efficiency in dependency on the bivalent point

Optimized compressor for air source heat pumps in retrofitting applications
• Natural refrigerant
• Oil reduction
• EVI
• Optimal design point
• Condensing unit application

Natural refrigerants in heat pump applications
• Current situation and perspective (F-gas regulation)
• Requirements for using natural refrigerants (Standards, guidelines, experience…)
• Refrigerant charge minimization
• On-going research

Acoustics

Framework for air source heat pumps in the field of acoustics
• Sound design
• guidelines
• requirements
• trends and future development


Acoustic Characterisation of Air-to-Water Heat pumps - Measurement Equipment and Analysis Techniques
• available measurement techniques & concepts
• frequency and spatial resolved acoustic signal analysis
• acoustic source localisation using an acoustic camera
• psychoacoustics and its implication in technical applications
• lab demonstration of acoustic signal processing during icing of the evaporator

Lab-tour: heat pump testing facilities and sound measurement Equipment




Conference Management
Anita Scheidacker
Ostbayerisches Technologie-Transfer-Institut
Phone: +49 941 29688-55
Email: anita.scheidacker@otti.de

Veranstaltungsort und Adresse

AIT Austrian Institute of Technology GmbH, Giefinggasse 2, 1210 Vienna, Österreich

    7. Mai 2015

  • Do
    07.05.2015

Air Source Heat Pumps in Retrofitting Applications

Diese Veranstaltung in Vienna (Floridsdorf) wurde von Ostbayerisches Technologie-Transfer-Insitut e.V. (OTTI) veröffentlicht. Air Source Heat Pumps in Retrofitting Applications ist den Rubriken Seminar, Akustik, Kurs & Workshop, Erneuerbare Energie, Air Source Heat Pumps und Retrofitting Applications zugeordnet.