Professor Timothy Langrish
B.E.(Chemical & Process), University of Canterbury, NZ, 1985; D.Phil. (Engineering Science), University of Oxford, UK, 1989
Professor and Head of School
J01 - Chemical Engineering Building
The University of Sydney
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Centre for Sustainable Energy Development |
Biographical details
Professor Langrish is a world leader in drying technology, particularly spray drying and the drying of timber. His work, with Professor Fletcher, on transient flows in spray dryers, has uncovered new types of flow instabilities that are fundamental to improving practical outcomes in reducing the deposition of particles on spray dryer walls. This achievement is scientifically significant because it applies advanced computational modelling and physical understanding to the solution of important and common industrial process engineering problems.
His recent work to develop crystallization in drying has the potential to improve the use of resources by combining crystallization and drying, which traditionally are done separately, into one operation. The industrial significance and application of this work can be judged from the improvements in productivity and quality that have been achieved for local dairy and timber industries.
Teaching and supervision
CHNG2803 - Energy and Fluid Systems Practice
CHNG4203 - Major Industrial Project
CHNG5205 - Major Industrial Placement Project
CHNG5703 - Foundations of Energy and Fluid Systems
Awards and honours
- John Blackett Prize in Engineering, University of Canterbury, 1984
- Rutherford Scholarship, Royal Society (London), 1985
- Commonwealth Scholarship
- Prince of Wales Cambridge Trust Scholarship
- Rutherford Fellowship (University of Canterbury, New Zealand)
- 1851 Research Fellowship Scholarship
- Best Paper Award, Seventh International Drying Symposium IDS 90, Prague, 1990
- Skellerup Award (Best Paper in Chemical and Process Engineering), Institution of Professional Engineers New Zealand, 1993
- Best Paper, 6th Asia Pacific Drying Conference (with S. Wang), Bangkok, Thailand, 2009
- Drying Process Innovation Award, 6th Asia Pacific Drying Conference, Bangkok, Thailand, 2009
- Fellow, Institution of Engineers, Australia
- Fellow, Institution of Chemical Engineers (UK)
Selected grants
2013
- Dynamic input adjustment to improve the stability of transient swirling flows in spray dryers; Abbas A, Fletcher D, Langrish T; Australian Research Council (ARC)/Discovery Projects (DP).
2012
- Improving the Scale-Up of Spray Drying for Bioactive Extracts and Fibres; Langrish T; Australian Research Council (ARC)/Linkage Projects (LP).
- Improving the Scale-Up of Spray Drying for Bioactive Extracts and Fibres; Langrish T; BlueScope Steel - Lysaght Technology/Project Support.
2009
- 2009/Round 2/ARC Linkage Project LP0990341, Developing new multifunctional layered particles with no; Langrish T; Vic Cherikoff Food Services Pty Ltd/Project Support.
- Improving Powder Properties by Using Spray Dryers to Process Amorphous Components of Solids into Crystalline Materials; Langrish T; Australian Research Council/Discovery Projects (DP).
- Surface Energy Analyser (SEA); Traini D, Young P, Chan H, Rohanizadeh R, Bilek M, Langrish T, Gomes V; National Health and Medical Research Council/Equipment Grants.
- Improving iron ore agglomeration by studying underlying mechanisms using experimental studies and dimensional analysis; Loo C, Langrish T, See H; Australian Research Council (ARC)/Linkage Projects (LP).
- Developing New Multifunction Layered Particles with Novel Modular Food Processing Systems; Langrish T; Australian Research Council/Linkage Projects (LP).
2008
- A Laser Facility for Imaging the Time Evolution of Scalars in Turbulent Flows; Moghtaderi B, Masri A, Nathan G, Langrish T, Dally B, King K, Alwahabi Z; Australian Research Council (ARC)/Linkage Infrastructure, Equipment and Facilities (LIEF).
- Enhancing the Production of Functional Food Powders by Studying Reaction Processes in Spray Dryers; Langrish T, Lang T; Australian Research Council (ARC)/Linkage Projects (LP).
- Exploiting Resonance in Improving Dried Timber Quality by Optimizing Cyclic Drying Processes in Solar Kilns; Langrish T; Australian Research Council (ARC)/Linkage Projects (LP).
- A Laser Facility for Imaging the Time Evolution of Scalars in Turbulent Flows; Masri A, Dally, B, King K, Alwahabi Z, Nathan G, Moghtaderi B, Langrish T; Australian Research Council (ARC)/Linkage Infrastructure, Equipment and Facilities (LIEF).
- Using Spray Dryers as Crystallizers for Processing Amorphous Components of solids into Crystalline M; Langrish T; University of Sydney/Bridging Support.
2007
- Linkage 2007 Round One for funding commencing January 2008 - Exploiting Resonance in Improving Dried; Ganguli A, Langrish T; Australian Choice Timber Supplies Pty Ltd/Project Support.
- Map the outcomes from sintering experiments (sinter pots and full industrial scale sintering production) onto coalescence maps; Loo B, Langrish T; BHP Billiton Innovation Pty Ltd/Research Grant.
- Surface Modification of Spray-Dried Powders By Surface-Active Proteins; Langrish T, Bhandari B, Howes T, Adhikari B; Australian Research Council (ARC)/Discovery.
2005
- Particulate Characterisation for Pharmaceutical and Engineering Applications; Coombes A, Amal R, Romagnoli J, Valix M, Langrish T, Stewart P, Yang R, Chan H; Australian Research Council (ARC)/LIEF.
2004
- Understanding and controlling wall deposition in spray dryers via experimental and CFD studies; Langrish T; Australian Research Council (ARC)/Discovery Project.
- A new drying model for the kiln drying and reconditioning of timber; Langrish T; University of Sydney (Sesqui)/Research & Development.
2003
- The development of new carrier technologies for spray-dried fruit extracts; Langrish T, Lang T; Australian Research Council (ARC)/Linkage.
- Improving the processing of timber from plantation forests: the challenge of managing variability; Langrish T, Dickson R, Joie W; Australian Research Council (ARC)/Linkage.
2002
- Design and Optimisation of Spinning Cone Columns; Langrish T; Australian Research Council (ARC)/Linkage.
- Experimental and Numerical Investigation of Eulerian and Lagrangian Simulations for Spray Dryers; Langrish T; University of Sydney (Sesqui)/Research & Development.
2001
- An experimental and computational study of agglomeration in spray dryers; Langrish T, Fletcher D; Australian Research Council (ARC)/Earlier schemes: Large Grants.
2000
- Improving the processing of waste streams from wine and fruit production to give high-value products; Langrish T, Kockel T; Australian Research Council (ARC)/Spirt Industry Collaboration.
- Improving the operation of commercial spray dryers with nozzle atomisers; Langrish T; Dairy Research and Development Corporation (DRDC)/Research Grant.
- Modelling mass-transfer performance and flooding behaviour of spinning cone columns; Langrish T, Prince R; Australian Research Council (ARC)/Large Research Grant.
- Reducing product waste and increasing throughput of commercial spray driers; Langrish T; Dairy Research and Development Corporation (DRDC)/Postdoctural Fellowship.
- An experimental and computational study of transient swirling flows; Fletcher D, Langrish T, Haynes B; Australian Research Council (ARC)/Large Research Grant.
- Correlations for pressure drop and flooding limits in Spinning Cone Columns research agreement between Vamhire Pty Ltd and The University of Sydney; Sykes S, Langrish T; Vamhire Pty Ltd T/as Flavourtech Research/BLO Project.
1999
- Use of CFD in the development of advanced kiln-drying strategies: agreement between The University of Canterbury, New Zealand, and The University of Sydney.; Keey R, Langrish T; University of Canterbury New Zealand/BLO Project.
Selected publications
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Perry's Chemical Engineers' Handbook 8th Edition (McGraw Hill,2008)
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PhD and master's project opportunities
- Combined drying and crystallization in spray drying
- Competitive migration of proteins within droplets and particles during spray drying
- Super Sorbents from Spray Drying
- New robust spray dryer designs
- Energy flow models for timber kilns and total lifecycle costs of timber drying
- Developing new multifunction layered particles with novel modular food processing systems
- Improving the scale-up of spray drying for bioactive extracts and fibres
- The Effects of Spraying Materials into Gases Other than Air as a Way to Control Surface Coating by Proteins
- Creating and Testing Naturally-based Preservatives for Breads from Australian Herbs
- Improving flow stability in small-scale spray dryers
- Improving the Storage Stability of Dairy Powders by Crystallizing Spray-Dried Powders in Fluidized Beds
- Differential Crystallization of Materials During Drying
- Wastes to Products: Towards New High-Value Products from Extraction and Spray Drying of Citrus Peels
- The Effects of Changing the Inlet Gas Temperature and Drying Atmosphere in Spray Drying on Particle Properties
- Vitamin C as a Means of Controlling Crystallinity in Dairy Products
- Energy Recovery in Spray Drying
- Comparing the Alignment of Capital Costs and Embodied Energy for Better Greenhouse Gas Accounting


