11th International Conference on Compressors and their Systems

9th – 11th September 2019

Background

The International Conference on Compressors and their Systems series began in 1999 as a result of industrial consultation and need for academic collaboration. At the time the conference was organised by the Fluid Machinery Group of the Institution of Mechanical Engineers (IMechE) with support from Holroyd.

From 2009 the Centre for Compressor Technology at City, University of London took over its management and the Conference is now one of the main conventions, taking place biennially in the UK, becoming world-renowned for its place in industry and academia to gather and discuss a broad range of topical issues related to compressors and compression systems.

The IMechE remains a longstanding partner, along with the International Institute of Refrigeration (IIR), and the Institute of Refrigeration (IOR).

The Conference has three Committees:

  • Organising Committee

  • International Liaison Committee

  • Programme and Scientific Review Committee

The Conference is chaired by Prof Ahmed Kovacevic, and is steered and organised by the Organising Committee which consists of staff from the Centre for Compressor Technology, the events team at City, University of London, senior representatives from partner institutes and representatives of the Platinum and Gold sponsors.

The International Liaison Committee is a consortium of eminent members from industry and academia who principally advise the organising committee on trends and topics in the compression industry which would be of interest to the conference delegates. They also promote the conference in their parts of the world.

The Programme and Scientific Review Committee, chaired by Dr Matthew Read, is integral to the conference. Its function is to ensure we have an outstanding programme and the highest quality of research papers are presented at the Conference.

Since 2012, the main conference is preceded by a two-day Short Course & Forum on CFD in rotary positive displacement machines, led by Dr Sham Rane.

View the 2019 Report
IOP 2019 publications

Summary

The 11th Conference in the series was held from 9th to 11th September at City, University of London, United Kingdom, attracting over 250 registered delegates from across the world representing various sectors.

City’s President, Professor Sir Paul Curran, welcomed delegates to the conference at the official opening on 9th September, emphasising the importance of the Conference to the Compressor Industry and the University’s overall strategic plan.

The objectives of the conference were to provide a platform for academics, students and professionals interested in Compressors and related areas to share current research, develop new ideas, and share best practices.

The Conference achieved these objectives through the delivery of keynote presentations and a number of technical parallel sessions.

The tone of the conference was set by the keynotes from three world experts Prof. Andreas Brummer talked about “Leakage Losses in Twin Screw Machines” on the first day, Prof Yunho Hwang challenged us in the second plenary session with the talk on “Compression without Compressors” and Prof Mehrdad Zangeneh gave a keynote on the Industry day about the design system for centrifugal chillers with low GWP refrigerants.

The conference delivered four streams of parallel sessions, with presentations on following topics:

  • Screw Compressors

  • Reciprocating Compressors

  • Compressor Systems

  • Expanders

  • Measurement and Contro

  • Turbocompressors

  • Valves

  • Vane Compressors

  • Novel Compressors

  • Single Screw and Roots Machines

  • Linear Compressors

  • Scroll Compressors

  • Rotary Compressors

  • Waste Heat Recovery

Conference delegates also had the opportunity during conference breaks to mingle amongst exhibition displays by companies.

The Organising Committee of the Conference are grateful for the support provided by our partners to deliver the 2019 Conference and for the financial assistance provided by our sponsors Holroyd Precision (platinum), Howden (gold), silver sponsors Kapp Niles, Samputensili Machine Tools Srl, Convergent Science, FeTu, and Vert Rotors, CompressorTech2 (industry day sponsor) and Megger (gala dinner sponsor).

Industry Day

The 3rd day of the conference was dedicated to industrial presentations where eight world leading experts talked about their company’s journey and industrial challenges.

Mr Jack Sauls and Prof Chris Holmes (Holroyd) talked about history of compressors and best practices for engineers which was well received by the audience, while Dr Billy Milligan (Howden Compressors) presented the use of technology through Data Driven Advantage which will enhance development of compressors and their systems.

Industry day was sponsored by renowned trade journal COMPRESSORTech2.

Keynotes

Prof. Dr.-Ing. Andreas Brümmer, Head of Chair of Fluidics at TU Dortmund University addressed the audience about ‘Leakage Losses in Twin-Screw Machines’.

Prof. Yunho Hwang, Associate director of the Center for Environmental Energy Engineering (CEEE) at the University of Maryland talked about ‘Compression without Compressors’.

Mehrdad Zangeneh, Professor of Thermofluids at University College London and Founding Director of Advanced Design Technology, Ltd, talked about ‘A Design System for the Design of new range of High COP Centrifugal Chillers with low GWP Refrigerants’.

Keynotes

Prof. Dr.-Ing. Andreas Brümmer, Head of Chair of Fluidics at TU Dortmund University addressed the audience about ‘Leakage Losses in Twin-Screw Machines’.

Prof. Yunho Hwang, Associate director of the Center for Environmental Energy Engineering (CEEE) at the University of Maryland talked about ‘Compression without Compressors’.

Mehrdad Zangeneh, Professor of Thermofluids at University College London and Founding Director of Advanced Design Technology, Ltd, talked about ‘A Design System for the Design of new range of High COP Centrifugal Chillers with low GWP Refrigerants’.

Exhibitors

Short Course

A short Course and forum on the use of CFD tools for the detailed analysis of rotary positive displacement machines was held on 7-8 September 2019 at City, University of London with the objective of addressing the increase in its use for this purpose in recent years. 54 attendees from 6 countries were present and the course included presentations by 16 lecturers, 13 from academia and 3 from industry.

The course focused on subjects such as:

  • Advances in grid generation, CFD tools, and new techniques for PD machine analysis.

  • Modelling of leakage flows and conjugate heat transfer.

  • Prediction of clearance gap sizes during operation and the application of modern FSI computations.

  • The stability and accuracy of multiphase flow calculations in PD machines.

These subjects were supported by provision of test data for twin-screw dry air and oil injected air compressors, provided by the Centre for Compressor Technology and a single-screw expander test data provided by Purdue University.

Presenters at the course used these test cases to demonstrate new CFD techniques and validate their findings.

The itroduction session on Day 1 focused on CFD implementation using the Finite-Volume Method specifically for moving, deforming domains and the associated solver features. Following this, novel research in the area of CFD in rotary positive displacement machines was presented over the two days of the course.

Subjects such as full 3D transient analysis of single-screw machines, quantitative comparison of CFD results with PIV data, new solvers such as ANSYS FLUENT, OpenFOAM, One-way fluid structure interaction in scroll machines and novel grid generation techniques such as iso-geometric analysis framework (IGA), algebraic and differential grid generation, Turbulence and Multi-Phase flow modelling were examples of significant advancements in technology.

An integrated modelling approach such as SCORG and GT-Suite to improve the reliability of the thermodynamic and fluid flow solution from chamber-system type of models also caught attention. A variety of rotary positive displacement machines presented ranged from conventional twin-screw compressors to vane machines, single-screw machines, scroll machines and also some non-conventional machines such as variable lead and variable profile or conical rotary machines.