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A/Prof

Daniel Chung

Associate Professor
Mechanical Engineering
science & technology
physical sciences
physics
physics, fluids & plasmas
technology
mechanics
turbulent boundary layers
turbulence simulation
direct numerical-simulation
Daniel Chung's Profile Picture
A/Prof

Daniel Chung

 
Division
Engineering
Daniel Chung's Profile Picture
A/Prof

Daniel Chung

 
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Projects

Displaying the 10 most recent projects by Daniel Chung.

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UNDERSTANDING TURBULENT HEAT TRANSFER WITH PRACTICAL SURFACE CONDITIONS

2020 - 2023
Active
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UNDERSTANDING ROUGH-WALL FLOWS AND TURBULENT MIXING FOR IMPROVED MODELS

In the absence of a reliable predictive capability for turbulent heat transfer, design engineers are currently forced to incorporate safety ..

2019 - 2021
Active
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UNDERSTANDING ROUGH-WALL FLOWS AND TURBULENT MIXING FOR IMPROVED MODELS

In the absence of a reliable predictive capability for turbulent heat transfer, design engineers are currently forced to incorporate safety ..

2019 - 2021
Active
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HIGH-FIDELITY SIMULATIONS, EXPERIMENTS AND DATA-DRIVEN MODEL DEVELOPMENT OF NATURAL CONVECTION AND FLOW OVER ROUGH SURFACE APPLICATIONS

2018 - 2019
Completed
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Tailoring aircraft surface textures to minimise drag

This project aims to optimise textured surfaces for reducing fluid dynamic drag. The project builds on recent breakthroughs in drag-evaluati..

2017 - 2019
Completed
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Developing novel big-data based models for designing greener turbines

This project aims to improve the fuel efficiency of gas turbines, the backbone of power generation and aircraft propulsion, for efficient an..

2017 - 2020
Completed
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Developing novel big-data based models for designing greener turbines

This project aims to improve the fuel efficiency of gas turbines, the backbone of power generation and aircraft propulsion, for efficient an..

2016 - 2020
Completed
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Turbulent flow over surfaces with spatially varying roughness

This project aims to improve understanding of the effect of spatial roughness transitions on turbulent flows. Fluids flowing over non-smooth..

2016 - 2019
Completed
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Surface texture optimization for turbulent drag reduction

2016 - 2016
Completed
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An investigation of turbulent flow over surfaces with varying roughness

2015 - 2015
Completed

16

Projects

Project Types

10

Research Grant

4

Internal Research Grant

2

Research Contracts

Scholarly Works

Displaying the 10 most recent scholarly works by Daniel Chung.

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Calculation of the mean velocity profile for strongly turbulent Taylor–Couette flow at arbitrary radius ratios

Pieter Berghout, Roberto Verzicco, Richard JAM Stevens, Detlef Lohse, Daniel Chung

Journal article  |  2020  |  Journal of Fluid Mechanics

Taylor–Couette (TC) flow is the shear-driven flow between two coaxial independently rotating cylinders. In recent years, high-fide..

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Response of the temporal turbulent boundary layer to decaying free-stream turbulence

Melissa Kozul, R Jason Hearst, Jason P Monty, Bharathram Ganapathisubramani, Daniel Chung

Journal article  |  2020  |  Journal of Fluid Mechanics

The turbulent boundary layer developing under a turbulence-laden free stream is numerically investigated using the temporal bounda..

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The effect of spanwise wavelength of surface heterogeneity on turbulent secondary flows

DD Wangsawijaya, R Baidya, D Chung, I Marusic, N Hutchins

Journal article  |  2020  |  Journal of Fluid Mechanics

We examine the behaviour of turbulent boundary layers over surfaces composed of spanwise-alternating smooth and rough strips, wher..

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Turbulent flow over spanwise-varying roughness in a minimal streamwise channel

MX Xie, D Chung, N Hutchins

Conference Proceedings  |  2020  |  Journal of Physics: Conference Series, Volume 1522, Fourth Madrid Summer School on Turbulence 10 June to 12 July 2019, Madrid, Spain

All rights reserved. We report direct numerical simulations in a minimal streamwise domain of turbulent channel flow over spanwise..

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Controlling secondary flow in Taylor–Couette turbulence through spanwise-varying roughness

Dennis Bakhuis, Rodrigo Ezeta, Pieter Berghout, Pim A Bullee, Dominic Tai, Daniel Chung, Roberto Verzicco, Detlef Lohse, Sander G Huisman, Chao Sun

Journal article  |  2020  |  Journal of Fluid Mechanics

Highly turbulent Taylor–Couette flow with spanwise-varying roughness is investigated experimentally and numerically (direct numeri..

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Direct numerical simulations of Taylor-Couette turbulence: the effects of sand grain roughness

Pieter Berghout, Xiaojue Zhu, Daniel Chung, Roberto Verzicco, Richard JAM Stevens, Detlef Lohse

Journal article  |  2019  |  Journal of Fluid Mechanics

Progress in roughness research, mapping any given roughness geometry to its fluid dynamic behaviour, has been hampered by the lack..

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Recovery of wall-shear stress to equilibrium flow conditions after a rough-to-smooth step change in turbulent boundary layers

Mogeng Li, Charitha M de Silva, Amirreza Rouhi, Rio Baidya, Daniel Chung, Ivan Marusic, Nicholas Hutchins

Journal article  |  2019  |  Journal of Fluid Mechanics

This paper examines the recovery of the wall-shear stress of a turbulent boundary layer that has undergone a sudden transition fro..

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Heat transfer in rough-wall turbulent thermal convection in the ultimate regime

Michael MacDonald, Nicholas Hutchins, Detlef Lohse, Daniel Chung

Journal article  |  2019  |  Physical Review Fluids

Heat and momentum transfer in wall-bounded turbulent flow, coupled with the effects of wall roughness, is one of the outstanding q..

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Direct numerical simulation of open-channel flow over smooth-to-rough and rough-to-smooth step changes

Amirreza Rouhi, Daniel Chung, Nicholas Hutchins

Journal article  |  2019  |  Journal of Fluid Mechanics

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Roughness effects in turbulent forced convection

M MacDonald, N Hutchins, D Chung

Journal article  |  2019  |  Journal of Fluid Mechanics

74

Scholarly Works

Keyword Analysis

Expanding Knowledge
Interdisciplinary Engineering
Atmosphere and Weather
Environmentally Sustainable Transport
Flora, Fauna and Biodiversity
Zoology

Honours, Awards and Fellowships

2019

Nobuhide Kasagi Award for "novel numerical simulations and insightful analysis to answer fundamental questions in turbulence"

Eleventh International Symposium on Turbulence and Shear Flow Phenomena (TSFP11), Southampton, UK
2016

Gallery of Fluid Motion Award for visual aesthetic and technical insight of poster (co-authors: G. Matheou, J. Teixeira)

American Physical Society Division of Fluid Dynamics Meeting, Portland
2011

Milton Van Dyke Award for visual aesthetic and technical insight of poster (co-author: G. Matheou)

American Physical Society Division of Fluid Dynamics Meeting, Baltimore
2009

W. F. Ballhaus Prize for outstanding aeronautics doctoral dissertation

Graduate Aerospace Laboratories California Institute of Technology
2009

R. B. Chapman Memorial Award for distinguished hydrodynamics research

Division of Engineering and Applied Science California Institute of Technology
2004

A. E. Perry Memorial Prize in fluid mechanics

Faculty of Engineering University of Melbourne
2004

Douglas Fellowship

California Institute of Technology

7

Awards

Credentials

Positions

Associate Professor

Mechanical Engineering

Member

Australasian Fluid Mechanics Society

Member

American Physical Society

Education

Doctor of Philosophy (Aeronautics)

California Institute of Technology

Bachelor of Engineering (Mechatronics)

University of Melbourne

Bachelor of Computer Science

University of Melbourne

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