David Boger

Last updated

David Boger

Born
David Vernon Boger

(1939-11-13) 13 November 1939 (age 84)
NationalityAustralian
OccupationChemical engineer

David Vernon Boger AC FRS (born Kutztown, Pennsylvania) is an Australian chemical engineer.

Contents

In 2017, Boger was elected a member of the National Academy of Engineering for discoveries and fundamental research on elastic and particulate fluids and their application to waste minimization in the minerals industry.

Life

He graduated from Bucknell University with a B.S. where he studied with Robert Slonaker, [1] and from University of Illinois with an M.S. and Ph.D.

He teaches at Monash University, [2] the University of Melbourne, [3] and the University of Florida. [4] He is one of three inaugural Laureate Professors at the University of Melbourne.

Work

Boger is known for his studies of non-Newtonian fluids (which behave both as liquids and solids) which have improved the understanding of how this group of fluids flow and led to major financial and environmental benefits. Boger discovered 'perfect' non-Newtonian fluids, which are elastic and have constant viscosity and are now known as Boger fluids, which enabled him to explain how non-Newtonian fluids behave. He was able to apply his ideas to improve the disposal of "red mud", a toxic waste produced during the manufacture of aluminium from bauxite and a major environmental problem. His findings have also led to improved inks for industrial inkjet printers, insecticide chemicals that spread evenly on leaves and reduced drag in oil pipelines. [5]

He was elected to the Fellowship of the Australian Academy of Science in 1993 and served on the Council of the Australian Academy of Science from 1999 to 2002. He was awarded the Matthew Flinders Medal and Lecture in 2000. In 2007 he was elected Fellow of the Royal Society and of the Royal Society of Victoria. [6]

Honours and awards

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Constant viscosity elastic liquids, also known as Boger fluids are elastic fluids with constant viscosity. This creates an effect in the fluid where it flows like a liquid, yet behaves like an elastic solid when stretched out. Most elastic fluids exhibit shear thinning, because they are solutions containing polymers. But Boger fluids are exceptions since they are highly dilute solutions, so dilute that shear thinning caused by the polymers can be ignored. Boger fluids are made primarily by adding a small amount of polymer to a Newtonian fluid with a high viscosity, a typical solution being polyacrylamide mixed with corn syrup. It is a simple compound to synthesize but important to the study of rheology because elastic effects and shear effects can be clearly distinguished in experiments using Boger fluids. Without Boger fluids, it was difficult to determine if a non-Newtonian effect was caused by elasticity, shear thinning, or both; non-Newtonian flow caused by elasticity was rarely identifiable. Since Boger fluids can have constant viscosity, an experiment can be done where the results of the flow rates of a Boger liquid and a Newtonian liquid with the same viscosity can be compared, and the difference in the flow rates would show the change caused by the elasticity of the Boger liquid.

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References

  1. David Boger '61, Bucknell University, 28 October 2010, archived from the original on 1 December 2013
  2. Prof David Boger - Researcher Profile, Monash University, retrieved 19 March 2014
  3. Professor David V Boger, University of Melbourne, archived from the original on 25 April 2012
  4. David V. Boger, University of Florida, archived from the original on 7 July 2013
  5. 1 2 3 "Prime Minister's Prize for Science awarded to Professor David Boger". Australian Academy of Science. Retrieved 18 September 2015.[ dead link ]
  6. "Elected Fellows of the Royal Society of Victoria - The Royal Society of Victoria". The Royal Society of Victoria. Retrieved 27 June 2018.
  7. "Emeritus Professor David Vernon Boger". Australian Honours Search Facility. Retrieved 25 January 2024.