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Details of Grant 

EPSRC Reference: GR/R76882/01
Title: An experimental investigation fo the transition to turbulance in a circular pipe
Principal Investigator: Mullin, Professor T
Other Investigators:
Researcher Co-Investigators:
Project Partners:
Department: Physics and Astronomy
Organisation: University of Manchester, The
Scheme: Senior Fellowship (Pre-FEC)
Starts: 01 October 2002 Ends: 30 September 2007 Value (£): 327,668
EPSRC Research Topic Classifications:
Continuum Mechanics Non-linear Systems Mathematics
EPSRC Industrial Sector Classifications:
No relevance to Underpinning Sectors
Related Grants:
Panel History:
Panel DatePanel NameOutcome
06 Feb 2002 Central Fellowships Allocation Panel Deferred
19 Nov 2001 Maths AF & SF Sifting Panel Deferred
19 Dec 2001 MATHS AF INTERVIEW PANEL 2002 Deferred
Summary on Grant Application Form
The proposed research programme will be concerned with a novel experimental investigation of the transition to turbulence in a pipe where the mass flux is held accurately constant. The stability of flow in a long pipe is the outstanding challenge of hydrodynamic stability theory for it is linearly stable and yet most pipe flows are turbulent in practice. The main experiments will be concerned with the mathematical problem of the stability of Poiseuille flow and carried out using a recently commissioned long pipe. The new system was designed and manufactured over a period of two years and a further two year calibration period has recently been completed. Disconnected solutions of the Navier Stokes equations will be sought using a systematic approach and the results will be interpreted using modern mathematical research on transition in shear flows. A second set of experiments will be performed on the practically relevant inlet flow problem using a shorter pipe which has been used by the applicant for a number of years. These results will provide the initial conditions for further nonlinear stability calculations.
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Organisation Website: http://www.man.ac.uk