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Research interests

Profile

Dr Cleaver is a lecturer in Aerospace Engineering in the Department of Mechanical Engineering. David started studying for a MEng in Aerospace Engineering in 2003, before going onto start a PhD in the field of experimental unsteady aerodynamics in 2007. On graduation he was employed on grants for the US Air Force Office of Scientific Research and US Office of Naval Research as a post-doctoral researcher before being awarded a Lectureship in the Department of Mechanical Engineering at the University of Bath in 2012.

 

Research

David's primary research field is Unsteady Aerodynamics. This is an exciting and novel research area which attempts to move beyond classic 'steady-state' aerodynamics so as to improve the efficiency of all forms of fluid dynamic device, from aircraft to gas turbines. In essence, all aero/ fluid dynamic problems are actually unsteady (variation with time) aerodynamic problems, but are usually assumed to be steady (constant with time). This gap in understanding not only leads to inaccuracy but also lost opportunities. He currently works on EPSRC projects with Airbus, Siemens and computational researchers at the University of Southampton to exploit the opportunities of unsteady aerodynamics. 

In addition, he is part of a small but fast growing and dynamic group investigating Unmanned Aircraft Systems (UAS). In particular probabilistic autonomy for UAS.

 

 

Willing to supervise PhD

Unsteady Aerodynamics of Wings in Extreme Conditions
Probabilistic Autonomy for Unmanned Aircraft Systems

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Projects 2014 2020

Seals
Turbines
Engines
Secondary flow
Gas turbines
Aircraft
Aerospace engineering
Engineering research
Gas turbines
Fluids

Future Unmanned Aerial Systems Traffic Management (UTM)

Cleaver, D., Du Bois, J. & Iravani, P.

1/05/171/06/18

Project: Central government, health and local authorities

IAA Travel Award

Cleaver, D.

3/03/1731/03/17

Project: Research council

Research Output 2009 2019

Lift reduction by counter flowing wall jets

Al-Battal, N. H., Cleaver, D. J. & Gursul, I., 1 Jul 2018, In : Aerospace Science and Technology. 78, p. 682-695 14 p.

Research output: Contribution to journalArticle

Blow molding
Angle of attack
Flaps
Airfoils
Velocity measurement

Unsteady Aerodynamics of a Transient Plunging Airfoil

Bull, S., Chiereghin, N., Gursul, I. & Cleaver, D., 8 Jan 2018.

Research output: Contribution to conferencePaper

Open Access
File
Velocity measurement
Cooling
Vortex flow
Momentum
Turbomachinery

Volumetric Velocimetry Measurements of Film Cooling Jets

Carvalho Batista Soares De Figueiredo, A. J., Jones, R., Pountney, O., Scobie, J., Lock, G., Sangan, C. & Cleaver, D., 11 Jun 2018, (Unpublished) Proceedings of the ASME Turbo Expo 2018: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers (ASME), 15 p. GT2018-75411

Research output: Chapter in Book/Report/Conference proceedingConference contribution

film cooling
kidneys
vortices
turbomachinery
momentum