Fletcher, David - University of Sydney - School of Chemical and Biomolecular Engineering

研究领域

As a specialist in computational fluid dynamics modelling, Adjunct Professor David Fletcher develops computer models of engineering problems involving fluid flow, heat transfer and chemical reactions for a wide range of applications. While rapid developments in technology have greatly advanced his research, he is particularly passionate about educating the next generation of skilled practitioners in this important field. "Among the intended outcomes of my current research projects are improved understanding of fluid build-up in the spinal cord following injury, devices that will deliver drugs to the lungs more efficiently, and processing technologies that will increase the safety and efficiency of chemical and minerals plants. "I'm excited by the rapid developments in computing power that have meant I can now tackle problems such as these in a way that even a few years ago would not have been possible. I work with the world-leading software in this area and have strong links with the developers worldwide, so I am using the most up-to-date versions at all times. It's very exciting being at the cutting edge of your field. "I would also really like to educate more engineers in the use of computational fluid dynamics, so they can have an impact on Australian research and industry. I'm much less worried about the exact problems they will study than I am about addressing the lack of skilled computational fluid dynamics engineers in Australia. Many users of the software have no understanding of the underlying models that it is based upon, so are not capable of using it correctly. I'd really like to leave behind a large pool of well-educated computational fluid dynamics engineers. "I've been working in this field since completing my PhD in 1982. I joined the University of Sydney in 1993, which has enabled me to collaborate with some really top researchers and to achieve some fantastic research across a wide range of areas. I'm particularly excited about the new supercomputing facility at the University, which provides excellent computational facilities."

近期论文

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McClure, D., Kavanagh, J., Fletcher, D., Barton, G. (2016). Characterizing bubble column bioreactor performance using computational fluid dynamics. Chemical Engineering Science, 144, 58-74. [More Information] McClure, D., Wang, C., Kavanagh, J., Fletcher, D., Barton, G. (2016). Experimental investigation into the impact of sparger design on bubble columns at high superficial velocities. Chemical Engineering Research and Design, 106, 205-213. [More Information] Zhang, J., Fletcher, D., Li, W. (2016). Heat transfer and pressure drop characteristics of gas–liquid Taylor flow in mini ducts of square and rectangular cross-sections. International Journal of Heat and Mass Transfer, 103, 45-56. [More Information] Mazubert, A., Fletcher, D., Poux, M., Aubin, J. (2016). Hydrodynamics and mixing in continuous oscillatory flow reactors—Part I: Effect of baffle geometry. Chemical Engineering and Processing, 108, 78-92. [More Information] Mazubert, A., Fletcher, D., Poux, M., Aubin, J. (2016). Hydrodynamics and mixing in continuous oscillatory flow reactors-Part II: Characterisation methods. Chemical Engineering and Processing, 102, 102-116. [More Information] Guo, Z., Haynes, B., Fletcher, D. (2016). Numerical simulation of annular flow boiling in microchannels. The Journal of Computational Multiphase Flows, 8(1), 61-82. [More Information] Guo, Z., Fletcher, D., Haynes, B. (2016). Numerical simulation of annular flow hydrodynamics in microchannels. Computers and Fluids, 133, 90-102. [More Information] Huynh, B., Chen, Y., Fletcher, D., Young, P., Zhu, B., Traini, D. (2015). An Investigation into the Powder Release Behavior from Capsule-Based Dry Powder Inhalers. Aerosol Science and Technology, 49(10), 902-911. [More Information] Dai, Z., Zheng, Z., Fletcher, D., Haynes, B. (2015). Experimental study of transient behaviour of laminar flow in zigzag semi-circular microchannels. Experimental Thermal and Fluid Science, 68, 644-651. [More Information] Zheng, Z., Johnston, A., Fletcher, D., Haynes, B. (2015). Heat exchanger specification: Coupling design and surface performance evaluation. Chemical Engineering Research and Design, 93, 392-401. [More Information] McClure, D., Lee, A., Kavanagh, J., Fletcher, D., Barton, G. (2015). Impact of surfactant addition on oxygen mass transfer in a bubble column. Chemical Engineering and Technology, 38(1), 44-52. [More Information] Dai, Z., Fletcher, D., Haynes, B. (2015). Impact of tortuous geometry on laminar flow heat transfer in microchannels. International Journal of Heat and Mass Transfer, 83, 382-398. [More Information] Guo, Z., Fletcher, D., Haynes, B. (2015). Implementation of a height function method to alleviate spurious currents in CFD modelling of annular flow in microchannels. Applied Mathematical Modelling, 39(16), 4665-4686. [More Information] Dai, Z., Fletcher, D., Haynes, B. (2015). Influence of Tortuous Geometry on the Hydrodynamic Characteristics of Laminar Flow in Microchannels. Chemical Engineering and Technology, 38(8), 1406-1415. [More Information] McClure, D., Aboudha, N., Kavanagh, J., Fletcher, D., Barton, G. (2015). Mixing in bubble column reactors: Experimental study and CFD modeling. Chemical Engineering Journal, 264, 291-301. [More Information] McClure, D., Kavanagh, J., Fletcher, D., Barton, G. (2015). Oxygen transfer in bubble columns at industrially relevant superficial velocities: Experimental work and CFD modelling. Chemical Engineering Journal, 280, 138-146. [More Information] Mohamed, A., Carrese, R., Fletcher, D., Watkins, S. (2015). Scale-resolving simulation to predict the updraught regions over buildings for MAV orographic lift soaring. Journal of Wind Engineering and Industrial Aerodynamics, 140(May 2015), 34-48. [More Information] Dai, Z., Guo, Z., Fletcher, D., Haynes, B. (2015). Taylor flow heat transfer in microchannels-Unification of liquid-liquid and gas-liquid results. Chemical Engineering Science, 138, 140-152. [More Information] Chen, Y., Young, P., Fletcher, D., Chan, K., Long, E., Lewis, D., Church, T., Traini, D. (2015). The Effect of Active Pharmaceutical Ingredients on Aerosol Electrostatic Charges from Pressurized Metered Dose Inhalers. Pharmaceutical Research, 32, 2928-2936. [More Information] Chen, Y., Young, P., Fletcher, D., Chan, K., Long, E., Lewis, D., Church, T., Traini, D. (2015). The effect of actuator nozzle designs on the electrostatic charge generated in pressurised metered dose inhaler aerosols. Pharmaceutical Research, 32(4), 1237-1248. [More Information]