SET Proceedings 2978-4387 Caravel Press 10.65582/set.2002.024 2002.024 Preliminary Testing and Design of a Centrifugal Absorption Heat Pump RiffatS B saffa.riffat@nottingham.ac.uk SuY H Institute of Building Technology, School of the Built Environment, University of Nottingham, University Park, Nottingham NG7 2RD, UK 12062002 1 978-1-995850-07-8 1 5 12 June 2002 © 2002 Copyright WSSET 2002

A centrifugal absorption heat pump is described in this study. Generation of absorption solutions is carried out in a centrifuge, which may be driven electrically or by a wind turbine. The environmentally benign absorption solutions may be employed as working fluids. The system may be considered as a potential alternative to conventional compression systems. A preliminary testing with common aqueous salt absorption solutions has been carried out on an ultracentrifuge. The results show that the sedimentation centrifuge is not suitable for the studied system; whereas, the use of filtration centrifuge appears a better choice. The use of continuous filtration centrifuges has been investigated. For the purpose of practicability, low latent heat refrigerant-based absorption solutions would be desirable to overcome the challenge associated with high rotation speed and high operating osmotic pressure.

 12 to 14 June 2002 1st International Conference on Sustainable Energy Technologies SET2002 1 Porto, Portugal