Monday 8th to Wednesday 10th September 2025

Preceded by a Short Course and Forum on Emerging Technologies for Computational Fluid Dynamics in Rotary Positive Displacement Machines (Saturday 6th to Sunday 7th September 2025).

This multi-day conference organised by the Centre for Compressors Technology at City St George’s, University of London provides a forum for developments in air, gas and refrigeration compressors, vacuum pumps, expanders.

Early bird discounted tickets close on Sunday 10th August 2025 at 23:59, and standard registrations open from Monday 11th August 2025 at 00:00. Information about cancellations and refunds can be found here.

If you wish to request a visa invitation letter, please email ivona.ivkovic-kihic@citystgeorges.ac.uk, should you require one. Note: invitation letters can only be provided after registration is complete. In the unfortunate event that a visa is not granted, a full refund will be given.

For another year, we are supporting the Lightyear Foundation, a charity that breaks down barriers to science for all. When registering, please consider an optional donation to the Lightyear Foundation, of either £5.00, £10.00 or £20.00.

It will be possible to attend in person or online, although prices for either option remain the same.

Early bird ticket fees:
Non members (excluding dinner) – £650.00
IMechE, IOR, IIR, MTA, BCAS, EFRC and ANUBiH members (excluding dinner) – £520.00
Student/retired (excluding dinner) – £350.00
Presenting authors (excluding dinner) – £530.00
Individual dinner ticket – £100.00

Standard ticket fees:
Non members (excluding dinner) – £750.00
IMechE, IOR, IIR, MTA, BCAS, EFRC and ANUBiH members (excluding dinner) – £650.00
Student/retired (excluding dinner) – £350.00
Individual dinner ticket – £100.00

Short course fees:
Non conference delegates – £550.00
Conference delegates – £450.00
Students – £230.00