Combustors and combustion in gas turbines. Heat transfer in gas turbines, thermal barrier coatings and smart coatings incorporating luminescent dopants for temperature and material properties measurement. Wing tip vortices, the vortex wake hazard and control schemes to reduce it. The development and application of experimental techniques for thermofluids including laser induced fluorescence (LIF), laser Doppler anemometry (LDA), particle image velocimetry (PIV) and Doppler global velocimetry (DGV).
Andy the author of thirty two archival journal and international conference publications, one book chapter, two international patents and five invited lectures. He has supervised eight PhD students (4 graduated, 4 current) and four MSc students. He is a principal investigator on research contracts valuing approximately £900K.