His main area of research is thermal imaging, human physiology, biomedical engg; computational turbomachinery aerodynamics; micro-scale cooling problems; computational fluid dynamics & numerical heat transfer. As of 2023, he has graduated 26 Ph.D. and 25 M.Eng. research students. One of his graduated PhD students, Dr. Saxena received the NTU’s Graduate College Research Excellence Award (2020/21) and another one, Dr Tan JH is listed as the Highly Cited Researchers by Clarivate Web of Science in 2020.