Dr Tony Howes
Dr

Tony Howes

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Background

Biography:

Tony Howes graduated from UQ in 1983 with a degree in chemical engineering, and after 6 months working on a novel fluid bed retort system for oil shale went to Cambridge, UK, where he worked with Malcolm Mackley as his first PhD student on what is now the “Oscillating Baffled Reactor”. His dissertation was awarded the 1988 Danckwerts-Maxwell prize for best thesis in that year. A postdoctoral year at Brown University working on patterns in fluid data sets was followed by 3 ½ years in ICI’s Corporate Colloid Science Group, where he worked on theory and application of a novel atomiser.

Since 1993 Tony has been at The University of Queensland teaching, supervising and doing research. His work (largely in collaboration with Bhesh Bhandari in Food Science) on sticky droplet spray drying has been extensively published and cited – at present Bhandari and Howes papers are in the top-10 most cited in Drying Technology, Journal of Food Engineering and International Journal of Food Properties.

Tony has also worked on a variety of other particle problems, including solid state fermentation, regimes in rotating drums and prilling. Following work on sticky mud particles he was heavily involved in local water quality issues, and sat on the Scientific Expert Panel of the Healthy Waterways Partnership in South East Queensland.

At UQ he co-ordinated an innovative programme where students are placed in industry for a research project, and actively reflect on their learning and interact with UQ staff while in industry. In 2008 he was nominated for a University Teaching Excellence Award for his efforts on this programme.

Research:

My research focus is on spray drying, especially of sticky or potentially sticky foods. With key collaborators (Prof. Bhesh Bhandari, UQ, A.Prof Benu Adhikari University of Ballarat) we have developed rules and understanding of the role of sugars, proteins and other additives on the drying of sugar rich foods, including fruit juices, honey and milk products.

My general interests are in the modelling and physical aspects of these systems.

Teaching and Learning:

Teaching: Engineering Thermodynamics (1st year)

Education Research: The role of Work Integrated Learning in the BE and ME programmes.

Projects:

  1. Spray drying at elevated temperatures
  2. API crystallisation modelling
  3. Role of proteins and additives in food spray drying
  4. Morphology development in spray drying

Availability

Dr Tony Howes is:
Available for supervision
Media expert

Qualifications

  • Bachelor (Honours) of Engineering, The University of Queensland
  • Doctor of Philosophy, University of Cambridge
  • Postgraduate Diploma in Education, The University of Queensland

Search Professor Tony Howes’s works on UQ eSpace

164 works between 1990 and 2024
All (164) Journal Article (114) Book Chapter (2) Conference Publication (48)

61 - 80 of 164 works

2007

Journal Article

Water sorption and glass transition properties of spray dried lactose hydrolysed skim milk powder

Shrestha, Ashok K., Howes, Tony, Adhikari, Benu P. and Bhandari, Bhesh R. (2007). Water sorption and glass transition properties of spray dried lactose hydrolysed skim milk powder. LWT - Food Science and Technology, 40 (9), 1593-1600. doi: 10.1016/j.lwt.2006.11.003

Water sorption and glass transition properties of spray dried lactose hydrolysed skim milk powder

2007

Journal Article

Development of stickiness of whey protein isolate and lactose droplets during convective drying

Adhikari, B., Howes, T., Shrestha, A. K. and Bhandari, B. R. (2007). Development of stickiness of whey protein isolate and lactose droplets during convective drying. Chemical Engineering And Processing, 46 (5), 420-428. doi: 10.1016/j.cep.2006.07.014

Development of stickiness of whey protein isolate and lactose droplets during convective drying

2007

Journal Article

A novel nucleation apparatus for regime separated granulation

Wildeboer, W. J., Koppendraaier, E., Litster, J. D., Howes, T. and Meesters, G. (2007). A novel nucleation apparatus for regime separated granulation. Powder Technology, 171 (2), 96-105. doi: 10.1016/j.powtec.2006.09.008

A novel nucleation apparatus for regime separated granulation

2007

Journal Article

Glass transition behavior of spray dried orange juice powder measured by differential scanning calorimetry (DSC) and thermal mechanical compression test (TMCT)

Shrestha, A. K., Ua-Arak, T., Adhikari, B. P., Howes, T. and Bhandari, B. R. (2007). Glass transition behavior of spray dried orange juice powder measured by differential scanning calorimetry (DSC) and thermal mechanical compression test (TMCT). International Journal of Food Properties, 10 (3), 661-673. doi: 10.1080/10942910601109218

Glass transition behavior of spray dried orange juice powder measured by differential scanning calorimetry (DSC) and thermal mechanical compression test (TMCT)

2007

Journal Article

Effect of surface tension and viscosity on the surface stickiness of carbohydrate and protein solutions

Adhikari, B,, Howes, T., Shrestha, A. and Bhandari, B. R. (2007). Effect of surface tension and viscosity on the surface stickiness of carbohydrate and protein solutions. Journal of Food Engineering, 79 (4), 1136-1143. doi: 10.1016/j.jfoodeng.2006.04.002

Effect of surface tension and viscosity on the surface stickiness of carbohydrate and protein solutions

2007

Journal Article

Use of solute fixed coordinate system and method of lines for prediction of drying kinetics and surface stickiness of single droplet during convective drying

Adhikari, B., Howes, T. and Bhandari, B, R. (2007). Use of solute fixed coordinate system and method of lines for prediction of drying kinetics and surface stickiness of single droplet during convective drying. Chemical Engineering And Processing, 46 (5), 405-419. doi: 10.1016/j.cep.2006.06.018

Use of solute fixed coordinate system and method of lines for prediction of drying kinetics and surface stickiness of single droplet during convective drying

2007

Journal Article

Effect of protein concentration on the surface composition, water sorption and glass transition temperature of spray-dried skim milk powders

Shrestha, A. K., Howes, T., Adhikari, B. P., Wood, B. J. and Bhandari, B. R. (2007). Effect of protein concentration on the surface composition, water sorption and glass transition temperature of spray-dried skim milk powders. Food Chemistry, 104 (4), 1436-1444. doi: 10.1016/j.foodchem.2007.02.015

Effect of protein concentration on the surface composition, water sorption and glass transition temperature of spray-dried skim milk powders

2007

Conference Publication

Aggregation and breakage rates in the flocculation of estuarine cohesive sediments

Neumann, L. E. and Howes, T. (2007). Aggregation and breakage rates in the flocculation of estuarine cohesive sediments. International Conference on Cohesive Sediment Transport (INTERCOH 2003) , Gloucester Point, VA, United States, 1-4 October 2003. Amsterdam, Netherlands: Elsevier . doi: 10.1016/S1568-2692(07)80005-2

Aggregation and breakage rates in the flocculation of estuarine cohesive sediments

2007

Conference Publication

Controlled production and characterisation of biopolymer gel particles

Burey, P., Bhandari, B. R., Howes, T. and Gidley, M. (2007). Controlled production and characterisation of biopolymer gel particles. CHEMECA 2007, Melbourne, Victoria, 23-26 September 2007. Barton, ACT: Engineers Australia.

Controlled production and characterisation of biopolymer gel particles

2007

Journal Article

Instrumentation and testing of a thermal mechanical compression test for glass-rubber transition analysis of food powders

Boonyai, P., Howes, T. and Bhandari, B. (2007). Instrumentation and testing of a thermal mechanical compression test for glass-rubber transition analysis of food powders. Journal of Food Engineering, 78 (4), 1333-1342. doi: 10.1016/j.jfoodeng.2006.01.005

Instrumentation and testing of a thermal mechanical compression test for glass-rubber transition analysis of food powders

2006

Journal Article

Thin-layer isothermal drying of fructose, maltodextrin, and their mixture solutions

Adhikari, B., Howes, T., Shrestha, A. K., Tsai, W. and Bhandari, B. R. (2006). Thin-layer isothermal drying of fructose, maltodextrin, and their mixture solutions. Drying Technology, 24 (11), 1415-1424. doi: 10.1080/07373930600952768

Thin-layer isothermal drying of fructose, maltodextrin, and their mixture solutions

2006

Journal Article

Erratum: optimization of cocurrent spray drying process for sugar-rich foods. Part II - optimization of spray drying process based on glass transition concept (Journal of Food Engineering (2005) 71 (66-72) PII: S0260877404005151 DOI: 10.1016/j.jfoodeng.2004.10.018)

Truong, Vinh, Bhandari, Bhesh R. and Howes, Tony (2006). Erratum: optimization of cocurrent spray drying process for sugar-rich foods. Part II - optimization of spray drying process based on glass transition concept (Journal of Food Engineering (2005) 71 (66-72) PII: S0260877404005151 DOI: 10.1016/j.jfoodeng.2004.10.018). Journal of Food Engineering, 73 (3), 304-304. doi: 10.1016/j.jfoodeng.2005.06.001

Erratum: optimization of cocurrent spray drying process for sugar-rich foods. Part II - optimization of spray drying process based on glass transition concept (Journal of Food Engineering (2005) 71 (66-72) PII: S0260877404005151 DOI: 10.1016/j.jfoodeng.2004.10.018)

2006

Journal Article

Effect of lactic acid on spray drying behavior of acid-whey and study of their glass transition temperature

Shrestha, Ashok K., Adhikari, Benu P., Howes, Tony E. and Bhandari, Bhesh R. (2006). Effect of lactic acid on spray drying behavior of acid-whey and study of their glass transition temperature. Journal of Food Science and Technology Nepal, 2, 57-62.

Effect of lactic acid on spray drying behavior of acid-whey and study of their glass transition temperature

2006

Conference Publication

Surface tack measurements on drying droplets

Litster, J D, Van der Hoeven, M. J., Cameron, I T, Howes, T, Meesters, G M H and Wildeboer, W J (2006). Surface tack measurements on drying droplets. CHEMCA 2006 Knowledge and Innovation, Auckland, New Zealand, 17-20 September 2006. New Zealand: University of Auckland.

Surface tack measurements on drying droplets

2006

Journal Article

Applications of the cyclone stickiness test for characterization of stickiness in food powders

Boonyai, P., Howes, T. and Bhandari, B. (2006). Applications of the cyclone stickiness test for characterization of stickiness in food powders. Drying Technology, 24 (6), 703-709. doi: 10.1080/07373930600684908

Applications of the cyclone stickiness test for characterization of stickiness in food powders

2006

Journal Article

Simulation of the cake formation and growth in cake filtration

Ni, L. ., Yu, A. B., Lu, G. Q. and Howes, T. (2006). Simulation of the cake formation and growth in cake filtration. Minerals Engineering, 19 (10), 1084-1097. doi: 10.1016/j.mineng.2006.03.012

Simulation of the cake formation and growth in cake filtration

2006

Conference Publication

Sticky behavior of whey protein isolate and lactose droplets during convective drying

Adhikari, B P, Howes, T, Shestha, A and Bhandari, B R (2006). Sticky behavior of whey protein isolate and lactose droplets during convective drying. Fifth World Congress on Particle Technology, Florida, USA, 23-27 April 2006. USA: The American Institute of Chemical Engineers.

Sticky behavior of whey protein isolate and lactose droplets during convective drying

2006

Conference Publication

Self-assembly of biopolymer gel networks within hydrating particles

Ramesh, Sukha, P., Bhandari, Bhesh, Howes, Tony and Gidley, Mike (2006). Self-assembly of biopolymer gel networks within hydrating particles. 5th World Congress on Particle Technology, Lake Buena Vista, Florida, U.S., 23-27 April, 2006.

Self-assembly of biopolymer gel networks within hydrating particles

2006

Journal Article

Applications of Thermal Mechanical Compression Tests in food powder analysis

Boonyai, P., Bhandari, B. and Howes, T. (2006). Applications of Thermal Mechanical Compression Tests in food powder analysis. International Journal of Food Properties, 9 (1), 127-134. doi: 10.1080/10942910500473988

Applications of Thermal Mechanical Compression Tests in food powder analysis

2006

Conference Publication

Influence of surface tack of food products on agglomeration in spray drying

Van der Hoeven, M. J., Litster, J D, Howes, T, Meesters, G M H and Wildeboer, W J (2006). Influence of surface tack of food products on agglomeration in spray drying. Fifth World Congress on Particle Technology, Florida, USA, 23-27 April 2006. USA: The American Institute of Chemical Engineers.

Influence of surface tack of food products on agglomeration in spray drying

Past funding

  • 2006 - 2011
    Engineering particles for pharmaceutical formulation
    Pfizer Pty Ltd
    Open grant

Availability

Dr Tony Howes is:
Available for supervision

Before you email them, read our advice on how to contact a supervisor.

Available projects

  • A simple model for coastalwaterway management

    This research project is part of a larger Coastal Co-operative Research Centre project on the interface between modelling, monitoring and management in coastal waterways. Monitoring is essential for determining the water quality and ecosystem health of waterways. However, the are significant constraints on the design and operation of these programs due to cost and resource limitations. Furthermore, there are minimum requirements on the amount of data that is necessary to provide statistical confidence. This research project will aim to overcome some of these limitations by investigating the use of simple models for the design and interpretation of water quality monitoring data.

    Funds are available to top-up an APA or other scholarship by up to $5000 p.a. Importantly, the successful student will have an operating budget of up to $5000 p.a. and similar support for professional development, (to June 2006). The project involves close collaboration with the Queensland Environmental Protection Agency as well as a range of other stakeholders.

    Students will need an honours degree in a suitable field (Science, Engineering) and an interest in modelling and water quality issues.

    For more details contact Tony Howes, School of Engineering, The University of Queensland (phone (07) 3365 4262, email tonyh@uq.edu.au)

  • Design of a PID controller for a drying rig

    We presently have apparatus which blows hot, dry air over a single droplet, and we obtain the drying kinetics of the drying through computer measurements of the droplet temperature and weight.

    We have a project which looks at improving the control of the in-coming air stream temperature and humidity, which at present is manually set by the user and monitored. In particular, we would like to look at using the data acquisition card and software in the computer to control the heating and humid air flow rates in order to perform this control.

    The project would suit a student interested in control or data acquisition.

Supervision history

Completed supervision

Enquiries

Contact Dr Tony Howes directly for media enquiries about:

  • Atomisation - chemical engeering
  • Coalescence - chemical engineering
  • Flocculation - chemical engineering
  • Fluid mixing - chemical engineering
  • Spray drying - chemical engineering

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