People_
Dr Kapil Chauhan
Senior Lecturer
School of Civil Engineering
School of Civil Engineering
Phone
+61 2 9351 3895
Address
J05 - J05 Civil Engineering Building
The University of Sydney
Dr Kapil Chauhan's research examines how fluids such as water and air flow over various surfaces under different conditions. The resulting increase in understanding will lead to faster, cheaper and 'greener' transport; lower pollution in residential areas; and smaller carbon footprints for high-rise buildings.
"My research involves examining fluid flow, primarily of air and water. In particular, I investigate the boundary layer, which is a thin layer of fluid flowing adjacent to a surface.
"Almost all boundary layers in engineering applications are turbulent, meaning that the flow is characterised by random or chaotic behaviour. Turbulence is almost everywhere around us, and affects many important aspect of our lives. A better understanding of turbulence can lead us to design fuel-efficient aircraft, ships and land vehicles, better predict atmospheric flows and weather, and develop more sustainable infrastructure.
"I study various aspects of turbulence that are relevant to urban living, such as drag, dispersion and entrainment.
"Reducing the drag that occurs within the boundary layer as aircrafts and ships move through air or water can lead to significant savings in fuel costs and make transport faster and more environmentally friendly.
"Dispersion and entrainment are responsible for the transport of pollutants. Being able to predict dispersion in urban flows is important for the planning and development of residential and industrial areas.
"My research also has applications in natural ventilation, where solar energy is used to passively cool high-rise buildings, reducing the building's carbon footprint.
"The complexity of turbulent flows is what drives my passion to understand their behaviour.
"I have been studying turbulent boundary layers for more than 14 years. Since I joined the University of Sydney in early 2015, the wide array of experimental facilities and academic expertise available has expanded my area of research and encouraged me to examine new problems in natural ventilation and water quality."
Clean energy, Water and the environment
| Project title | Research student |
|---|---|
| Investigation of convective atmospheric boundary layer structure using Large-Eddy Simulations | Aditya CHAUDHARY |
| Direct Numerical Simulation of natural convection in nearshore region | Esra KHASAWNEH |
| Desalination plant optimization planning | Jian LI |
| An elevated area source of heat in a turbulent boundary layer | Zhongxiu LIN |
| Experimental study of atmospheric winds in and above forested canopies | Yanan ZHAO |
Publications
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Journals
- Keshavarzian, E., Kwok, K., Dong, K., Chauhan, K., Zhang, Y. (2022). An experimental Investigation of stagnant air pollution dispersion around a building in a turbulent flow. Building and Environment, 224. [More Information]
- Wijesooriya, K., Mohotti, D., Amin, A., Chauhan, K. (2021). Comparison between an uncoupled one-way and two-way fluid structure interaction simulation on a super-tall slender structure. Engineering Structures, 229, 1-18. [More Information]
- Zou, J., Yu, Y., Liu, J., Niu, J., Chauhan, K., Lei, C. (2021). Field measurement of the urban pedestrian level wind turbulence. Building and Environment, 194, 107713. [More Information]
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Conferences
- Talluru, K., Pan, H., Chauhan, K., Patterson, J. (2018). Convection velocity of temperature fluctuations in a natural convection boundary layer. The 21st Australasian Fluid Mechanics Conference, : IEEE Computer Society.
- Yu, Y., Niu, J., Chauhan, K. (2018). Evaluation of outdoor thermal comfort in a semi-open space. 15th Conference of the International Society of Indoor Air Quality and Climate, INDOOR AIR 2018, : Springer Verlag.
- Chauhan, K., Talluru, K., Patterson, J. (2018). Experimental study of thermal boundary layer in a dual cavity solar chimney. Proceedings of the International Symposium on Turbulence, Heat and Mass Transfer, : Springer Verlag.
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2022
- Keshavarzian, E., Kwok, K., Dong, K., Chauhan, K., Zhang, Y. (2022). An experimental Investigation of stagnant air pollution dispersion around a building in a turbulent flow. Building and Environment, 224. [More Information]
2021
- Wijesooriya, K., Mohotti, D., Amin, A., Chauhan, K. (2021). Comparison between an uncoupled one-way and two-way fluid structure interaction simulation on a super-tall slender structure. Engineering Structures, 229, 1-18. [More Information]
- Zou, J., Yu, Y., Liu, J., Niu, J., Chauhan, K., Lei, C. (2021). Field measurement of the urban pedestrian level wind turbulence. Building and Environment, 194, 107713. [More Information]
- Yu, Y., de Dear, R., Chauhan, K., Niu, J. (2021). Impact of wind turbulence on thermal perception in the urban microclimate. Journal of Wind Engineering and Industrial Aerodynamics, 216, 104714. [More Information]
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2020
- Qiu, H., Chauhan, K., Lei, C. (2020). A numerical study of drag reduction performance of simplified shell surface microstructures. Ocean Engineering, 217, 107916. [More Information]
- Wijesooriya, K., Mohotti, D., Amin, A., Chauhan, K. (2020). An uncoupled fluid structure interaction method in the assessment of structural responses of tall buildings. Structures, 25, 448-462. [More Information]
- Talluru, K., Pan, H., Patterson, J., Chauhan, K. (2020). Convection velocity of temperature fluctuations in a natural convection boundary layer. International Journal of Heat and Fluid Flow, 84, 108590. [More Information]
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2019
- Talluru, K., Hernandez-Silva, C., Chauhan, K. (2019). A robust calibration technique for concentration measurements using ionisation detectors. Measurement Science and Technology, 30(7), 1-7. [More Information]
- Hassanli, S., Chauhan, K., Zhao, M., Kwok, K. (2019). Application of through-building openings for wind energy harvesting in built environment. Journal of Wind Engineering and Industrial Aerodynamics, 184, 445-455. [More Information]
- Wang, Z., Chauhan, K., Pereira, J., Gan, Y. (2019). Disorder characterization of porous media and its effect on fluid displacement. Physical Review Fluids, 4(3), 1-13. [More Information]
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2018
- Talluru, K., Pan, H., Chauhan, K., Patterson, J. (2018). Convection velocity of temperature fluctuations in a natural convection boundary layer. The 21st Australasian Fluid Mechanics Conference, : IEEE Computer Society.
- Yu, Y., Niu, J., Chauhan, K. (2018). Evaluation of outdoor thermal comfort in a semi-open space. 15th Conference of the International Society of Indoor Air Quality and Climate, INDOOR AIR 2018, : Springer Verlag.
- Xing, F., Mohotti, D., Chauhan, K. (2018). Experimental and numerical study on mean pressure distributions around an isolated gable roof building with and without openings. Building and Environment, 132, 30-44. [More Information]
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2017
- Talluru, K., Hernandez Silva, C., Philip, J., Chauhan, K. (2017). Measurements of scalar released from point sources in a turbulent boundary layer. Measurement Science and Technology, 28(5), 1-13. [More Information]
- Chauhan, K., Talluru, K., Philip, J., Hernandez-Silva, C. (2017). Measurements of velocity and concentration in a high Reynolds number turbulent boundary layer. 10th International Symposium on Turbulence and Shear Flow Phenomena, TSFP 2017, Chicago, Illinois: International Symposium on Turbulence and Shear Flow Phenomena, TSFP10.
2016
- Jones, H., Elgindy, P., Lei, C., Chauhan, K. (2016). Performance of a Solar Chimney with a Dual-Cavity System. 20th Australasian Fluid Mechanics Conference (AFMC 2016), Perth: Australasian Fluid Mechanics Society.
- Talluru, K., Philip, J., Chauhan, K. (2016). Statistics of passive scalar released from a point source in a turbulent boundary layer. 20th Australasian Fluid Mechanics Conference (AFMC 2016), Perth: Australasian Fluid Mechanics Society.
2015
- Marusic, I., Chauhan, K., Kulandaivelu, V., Hutchins, N. (2015). Evolution of zero-pressure-gradient boundary layers from different tripping conditions. Journal of Fluid Mechanics, 783, 379-411. [More Information]
2014
- Chauhan, K., Baidya, R., Philip, J., Hutchins, N., Marusic, I. (2014). Intermittent in the outer region of turbulent boundary layers. 19th Australasian Fluid Mechanics Conference, : SPIE.
- Chauhan, K., Philip, J., Marusic, I. (2014). Scaling of the turbulent/non-turbulent interface in boundary layers. Journal of Fluid Mechanics, 751, 298-328. [More Information]
- Klewicki, J., Philip, J., Marusic, I., Chauhan, K., Morrill-Winter, C. (2014). Self-similarity in the inertial region of wall turbulence. Physical Review E, 90(6), 1-14. [More Information]
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2013
- de Silva, C., Philip, J., Chauhan, K., Meneveau, C., Marusic, I. (2013). Multiscale geometry and scaling of the turbulent-nonturbulent interface in high Reynolds number boundary layers. Physical Review Letters, 111(4), 1-5. [More Information]
- Chauhan, K., Hutchins, N., Monty, J., Marusic, I. (2013). Structure inclination angles in the convective atmospheric surface layer. Boundary-Layer Meteorology, 147(1), 41-50. [More Information]
2012
- de Silva, C., Chauhan, K., Atkinson, C., Buchmann, N., Hutchins, N., Soria, J., Marusic, I. (2012). Implementation of large scale PIV measurements for wall bounded turbulence at high Reynolds numbers. 18th Australasian Fluid Mechanics Conference AFMC 2012, Launceston, Tasmania: Australasian Fluid Mechanics Society.
- Kwon, Y., Chauhan, K., de Silva, C., Monty, J., Hutchins, N. (2012). The large-scale wall-to-wall interaction in fully developed turbulent channel flow. 18th Australasian Fluid Mechanics Conference AFMC 2012, Launceston, Tasmania: Australasian Fluid Mechanics Society.
- Hutchins, N., Chauhan, K., Marusic, I., Monty, J., Klewicki, J. (2012). Towards Reconciling the Large-Scale Structure of Turbulent Boundary Layers in the Atmosphere and Laboratory. Boundary-Layer Meteorology, 145(2), 273-306. [More Information]
2011
- Chauhan, K., Marusic, I., Hutchins, N. (2011). Organised motions in turbulent boundary layers over a wide range of Reynolds number. 6th AIAA Theoretical Fluid Mechanics Conference, Honolulu, Hawaii: American Institute of Aeronautics and Astronautics (AIAA).
2010
- Chauhan, K., Ng, H., Marusic, I. (2010). Empirical mode decomposition and Hilbert transforms for analysis of oil film interferograms. Measurement Science and Technology, 21(10), 105405. [More Information]
- Madad, R., Harun, Z., Chauhan, K., Monty, J., Marusic, I. (2010). Skin friction measurement in zero and adverse pressure gradient boundary layers using oil film interferometry. 17th Australasian Fluid Mechanics Conference, Auckland, New Zealand: University of Auckland.
- Chauhan, K., Hutchins, N., Monty, J., Marusic, I. (2010). Two-point correlation statistics in the atmospheric surface layer. 17th Australasian Fluid Mechanics Conference, Auckland, New Zealand: University of Auckland.
2009
- Chauhan, K., Monkewitz, P., Nagib, H. (2009). Criteria for assessing experiments in zero pressure gradient boundary layers. Fluid Dynamics Research, 41(2), 21404. [More Information]
2008
- Monkewitz, P., Chauhan, K., Nagib, H. (2008). Comparison of mean flow similarity laws in zero pressure gradient turbulent boundary layers. Physics of Fluids, 20(10), 105102-1`-105102-16. [More Information]
- Chauhan, K., Nagib, H. (2008). On the development of wall-bounded turbulent flows. IUTAM Symposium on Computational Physics and New Perspectives in Turbulence, The Natherlands: Springer Netherlands.
- Nagib, H., Chauhan, K. (2008). Variations of von Kármán coefficient in canonical flows. Physics of Fluids, 20(10), 101518-1-101518-10. [More Information]
2007
- Nagib, H., Chauhan, K., Monkewitz, P. (2007). Approach to an asymptotic state for zero pressure gradient turbulent boundary layers. Philosophical Transactions of the Royal Society A, 365, 755-770. [More Information]
- Chauhan, K., Nagib, H., Monkewitz, P. (2007). Evidence on Non-Universality of Karman Constant. iTi Conference in Turbulence, Germany: Springer Berlin Heidelberg.
- Chauhan, K., Nagib, H., Monkewitz, P. (2007). Flow development in boundary layers with pressure gradient. 11th EUROMECH European Turbulence Conference, Germany: Springer Berlin Heidelberg.
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2006
- Chauhan, K., Gravante, S., Pelivan, I., Nagib, H. (2006). Remaining Challenges in Measurements and Computations of Three-dimensional Turbulent Boundary Layers. 5th Symposium on Turbulence, Heat and Mass Transfer, USA: ICHMT - International Centre for Heat and Mass Transfer Online Digital Library. [More Information]
2005
- Nagib, H., Chauhan, K., Monkewitz, P. (2005). Scaling of High Reynolds Number Turbulent Boundary Layers Revisited. 4th AIAA Theoretical Fluid Mechanics Meeting, USA: American Institute of Aeronautics and Astronautics (AIAA). [More Information]
In the media
Wizardry in a wind tunnel[7-Dec-15]
University of Sydney
Researchers have officially reopened their multi-million-dollar Boundary Layer Wind Tunnel facility capable of generating wind velocities of up to 100 kmph and testing large-scale models up to 2.5 metres wide in the School of Civil Engineering.More..