1. Co-developed the Number-Concentration Structure Factors for metal alloys, now referenced for all types of mixtures as the 'Bhatia-Thornton Structure Factors' (Google 'Bhatia-Thornton Theory').2. Developed most of the algorithms used in North America for heat flow calculations related to buried and above-ground utility pipes.3. Initiator, planner, first Project Manager, and final Chair of the international Management Committee for the 4-year, $20-million, international Baffin Island Oil Spill Project.4. Founding Chairman of the Canada-USA Spill Countermeasures Technology Committee, involving federal environmental and resource-management Departments and oil & chemical industry National Associations to oversee international R&D.5. Leader of the Federal Preparedness & Response Teams developing the federal input to the Public Review Panel on Tanker Safety & Oil Spill Response Capability appointed in 1990 by the Prime Minister in reaction to the Exxon Valdez and Nestucca oil spills.6. Founder and first Chairman of the Environment Canada Laboratory Managers' Committee.7. Federal Co-chair of the federal-provincial Development Committee for the Canada-wide Standard for Petroleum Hydrocarbons in Soil under the Canadian Council of Ministers of Environment, and co-author of the National Standard.8. Oversaw the scientific aspects of selection, development and implementation of the Limit of Quantitation for regulatory control of toxic chemicals under the Canadian Environmental Protection Act.9. Oversaw the federal-provincial National Air Pollution Surveillance (NAPS) Network consisting of about 1,000 air monitoring instruments at over 300 sampling stations in over 150 municipalities.10. Proposed, drafted and led implementation of the MOU between Canada and USA concerning cooperation in R&D on Environmental Protection.11. Led the formation and was for 21 years Director of Canada's Environmental Technology Centre with a facility/equipment replacement value over $100 million employing about 200 staff and contractors/visiting researchers, and an annual budget of about $10 million. Through joint-project agreements, the work was supplemented annually by about $15-20 million.
Retired, But Undertaking Theoretical Physics Research For Fun.
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Retired ResearcherRetired, But Undertaking Theoretical Physics Research For Fun. Nov 2004 - PresentToronto, Canada AreaI enjoy exploring fundamental theoretical physics, and am currently examining issues related to Maximum Force/Power in General Relativity, the implications of the Kottler (de Sitter-Schwarzschild) metric, the Holographic Principle, the role of entropy in relation to gravity and Dark Energy, and the application of limit principles in physics.Since 2016 I have been the Board President of the Metro Toronto Condominium Corporation 1150.
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Director, Environmental Technology Centre (Now The Environmental Science & Technology Centre)Environment Canada Aug 1983 - Aug 2004335 River Road, Ottawa, K1V1H2, Canada AreaLed the formation and directed the federal Environmental Technology Centre with a capital facility and equipment replacement value in excess of $100 million employing approximately 100 staff (plus about 100 in-house contractors, visiting researchers, post-doctoral fellows, and students) and an annual base O&M and capital budget of about $10 million for research and technology work on pollution measurement, environmental emergencies, contaminated site assessment and remediation, and analytical laboratory science. Oversaw the federal-provincial National Air Pollution Surveillance (NAPS) Network consisting of over 1,000 monitoring instruments at about 300 sampling stations in over 150 municipalities.Through joint-project agreements, the budget was supplemented annually by about another $5 million cash and $15 million in-kind resources.Founder and first Chairman of the EC Laboratory Managers' Committee.Federal Co-chair of the federal-provincial Development Committee of the Canada-wide Standard for Petroleum Hydrocarbons in Soil for the Canadian Council of Ministers of Environment, and co-author of the National Standard.For about a year, acted on assignment as the Leader of the Federal Preparedness & Response Teams developing the federal input to the Public Review Panel on Tanker Safety & Oil Spill Response Capability appointed in 1990 by the Prime Minister following the Exxon Valdez and Nestucca oil spills. Led the development of eleven Discussion Papers for the Panel, which formed most of the scientific foundation for the Panel's report.For about two years, acted as Director-General to direct the Environmental Technology Centre, the Wastewater Technology Centre, Burlington, Ontario, and policy staff in HQ, Hull, Quebec, providing technical services, developing environmental protection technologies, managing national industrial incentives funding programs, and undertaking technology training & transfer. The annual O&M base budget was about $16 million. -
Chief, Environmental Emergencies R&DEnvironment Canada Aug 1980 - Aug 1983Ottawa, Canada AreaPlanned, organized and directed a multi-disciplinary research and development program to support of the prevention, detection, response, cleanup and reclamation activities required for dealing with environmental emergencies in Canada.Managed and allocated $1.85 million funds annually and about an equivalent level of external funds from governments, private agencies and other countries.Managed 9 professional staff.Chairman of the AMOP interdepartmental Management Committee.Chairman of the international BIOS Project Management Committee, and Chairman of the Oil Discharge Committee.Editor of the Spill Technology Newsletter.Founding Chairman of the Canada-USA Spill Countermeasures Technology Committee, involving Senior Managers from federal environmental and resource-management departments and oil & chemical industry national associations, which oversaw international S&T programs relating to oil and chemical spills.Proposed, drafted and led the implementation of the "Memorandum of Understanding between the Department of the Environment of Canada and the Environmental Protection Agency of the United States of America Concerning Cooperation in Research, Development and Demonstrations in Science and Technology Related to Environmental Protection". -
Head, W&N Region Office, Environmental Emergencies R&DEnvironment And Climate Change Canada 1977 - 1980Edmonton, Canada AreaProposed, planned and managed research studies pertaining to spills of oil and other hazardous materials.Responsible for liaison between HQ and the EPS NW Regional Office on EEB R&D matters.Served on the Management Committee of the multi-million dollar Arctic Marine Oil spill Program (AMOP).Acted as one of the three project co-ordinators for AMOP, responsible for about 15 projects totalling $1 million per year.Government Chairman of the Oil spill Sessions at the 1977 and 1978 Canadian Petroleum Association/Arctic Petroleum Operators Association Arctic Environmental Workshops.Member of the Industry/Government task force on the recovery of oil under river ice, and Chairman of the scale-modelling committee.Managed 3 staff.Chairman of the government-industry Canada/USA ‘AMOP Experimental Oil Spill Planning Committee’.Initiator, planner, and Project Manager of the 4-year, $20-million, international Baffin Island Oil Spill (BIOS) Project, the most extensive oil spill research project ever undertaken world-wide. The final results were published in 24 scientific papers in a Special BIOS Project Edition of the Journal Arctic (Volume 40, Supplement 1, 1987) -
Development Scientist, W&N Region Office, Environmental Emergencies R&DEnvironment Canada 1975 - 1977Edmonton, Canada AreaProposed, planned, conducted and/or managed studies pertaining to spills of oil and other hazardous materials.Developed a detailed working knowledge of oil spill countermeasures techniques, and government and industry organisations working in this area.Member of the Northern Petroleum Spill Containment Committee and Chairman of the Associated Government/Industry Technical Subcommittee.Participated in and led oil spill studies as part of the Beaufort Sea Project to assess the potential impacts of oil & gas exploration in the Western Arctic.Part-time Associate Professor of physics at the University of Alberta. -
ConsultantPrivate Consultant 1973 - 1975Edmonton, Canada AreaPlanned, budgeted, implemented and reported field technology development projects related to waste treatment and disposal in northern Canada.Mathematically modelled heat flow around buried pipes and dykes/berms in permafrost regions and implemented related field studies.Developed most of the algorithms/methods used in North America for heat flow calculations associated with buried and above-ground utility pipes ('utilidors') in northern climates. (See Ref# 16 & 26; The Cold Climate Utilities Delivery Design Manual, USEPA-600/8-79-027, 1979, sec.15-9 & 15-10; Cold Regions Utilities Monograph, ASCE, 1996, pp 4-28 to 4-48; and Utilities: Arctic & Sub-arctic Construction, US Department of Defense UFC 3-130-05, 2009, pp 12-5 to 12-13)Developed an equation for calculating the minimum amount of insulation around a pipe to avoid permafrost thaw under a pipe and an approximate 'Quasi-Static' approach for general temperature/thaw prediction over time (See ref#17), both of which are widely used for design calculations in frozen soils (Thermal Design Considerations in Frozen Ground Engineering, Thomas G. Krzewinski, ASCE Publications, 1985, p. 124 & p. 235; Geothermal Design of Insulated Foundations for Thaw Prevention, J.F. Nixon, p. 924-7, 4th International Conference on Permafrost, Washington, 1994; Thermal Analysis, Construction & Monitoring Methods for Frozen Ground, David C. Esch, ASCE Publication, 2004, p. 133-5).Provided consulting services on statistics, computer programming, mathematical methods, and developed related computer programs.Represented the interests of the Environmental Protection Service in the development of a national water pollution data management system; on the Federal/Provincial Committee on Noise Pollution; at an environmental assessment of a large explosives test; and managed the monitoring and evaluation of noise levels from a military base.Part-time Assistant Professor of physics at the University of Alberta.
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Postdoctoral Fellow, Theoretical Physics InstituteUniversity Of Alberta 1969 - 1973Edmonton, Canada AreaCo-developed the Number-Concentration Structure Factors, and derived their thermodynamic limits, to quantify metal alloy structure (Refs# 5, 6, 11 &12); now referenced in the scientific literature as the 'Bhatia-Thornton Formalism' that is included in relevant scientific text books/review articles** and used widely around the world to research the properties of alloys, glasses, salts, ices, amorphous semiconductors, polymers, colloids, gases, plasmas, membranes, and solutions, and to interpret X-ray, light, and neutron scattering experiments (for hundreds of examples, google 'Bhatia-Thornton').Further developed a detailed knowledge of solid-state physics, thermodynamics, statistical mechanics, scattering theory, quantum mechanics, hydrodynamics, numerical methods, and physics in general. Taught physics and mathematics part-time at the high school and undergraduate level.** Example books/Review Articles: Atomic Dynamics in Liquids, N.H. March & M.P. Tosi, Dover, 1991; Molten Salts: From Fundamentals to Applications, Marcelle Gaune-Escaud, Kluwer, 2002; Introduction to Liquid State Physics, N.H. March & M.P. Tosi, World Scientific, 2002; Neutron & X-ray Diffraction Studies of Liquids & Glasses, Henry E. Fischer, Adrian C. Barnes, & Philip S. Salmon, Rep. Prog. Phys. 69 (2006) 233–299; Solution Thermodynamics & It's Application to Aqueous Solutions, Yoshita Koga, Elsevier, 2007; Metastable Solids from Undercooled Melts, Dieter Gerlach, Elsevier, 2007; High-Temperature Levitated Materials, David L. Price, Cambridge University Press, 2010.
David Thornton Skills
David Thornton Education Details
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1St Class -
High Storrs Grammar SchoolMathematics, Physics, And Chemistry (A-Level)
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David Thornton works for Retired, But Undertaking Theoretical Physics Research For Fun.
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David Thornton's current role is Retired Research Director.
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David Thornton attended The University Of Sheffield, The University Of Sheffield, High Storrs Grammar School.
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David Thornton has interest in Classical Music, Children, Environment, Reading, Science And Technology, Squash, Theoretical Physics, Tennis.
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David Thornton has skills like Mathematical Physics, Theory Of Metals, Environmental Protection, Permafrost, Oil Spills, Research Management, Project Management, Philosophy Of Science, Science, R&d, Physics, Statistics.
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