The University of Sheffield
Chemical and Biological Engineering

Ray Allen: Publications

Refereed Journals

Kuvshinov, D., MacInnes, J., Allen R W K, and others
"Thermal Conductivity Measurement of Liquids in a Microfluidic Device" accepted by "Microfluidics and Nanofluidics"
(Springer), 2010, (manuscript code: mfnf-100121-A)

MacInnes, J, Ortiz, J, Priestman, G, Jordan, P, Kuvshinov, D and Allen, RWK,
“Experimental Demonstration of Rotating Spiral Microchannel Distillation”
accepted by Chem. Eng. J, (manuscript number: CEJ-D-09-01358)

Chen, Z, Bown, M R, O’Sullivan, B, MacInnes, J, Allen, R W K, Mulder,M, Blom, M and van’t Oever, R,
“Performance analysis of a folding flow micromixer”,
Microfluidics and Nanofluidics: 6, Issue 6 (2009), p 763.

Taylor, M, Elder, R and Allen, R W K,
“Ionic liquids as solvents for the Bunsen reaction"
Submitted to I.J.H.E. June 2010

Ge, R, Allen, RWK, Aldous, L, Bown, MR, Doy, N, Hardacre, C, MacInnes, JM, McHale, G, Newton, MI,
“Evaluation of a Microfluidic Device for the Electrochemical Determination of Halide Content in Ionic Liquids”
Analytical Chemistry, 2009, 81 pp 1628 -1637

Elder, R.H., Allen, R.W.K.,
“Nuclear heat for hydrogen production: Coupling a very high/high temperature reactor to a hydrogen production plant”
Progress in Nuclear Energy, 2009, 51, 500-525.

Elder, R.H., Priestman, G.H., Allen, R.W.K., Orme, C.J., Stewart, F.F.,
“The Feasibility of Membrane Separations in the HIx Processing Section of the Sulphur Iodine Thermochemical Cycle”
Submitted to International Journal of Hydrogen Energy, 2009.

Elder, RH, Priestman, GH and Allen, RWK,
“Dewatering of HIx Solutions by Pervaporation Through Nafion (R) Membranes”
I.J.H.E. Aug 2009, 34, Issue 15 pp6129 - 6136

McHale, G, Hardacre, C, Ge, R, Doy, N, Allen, RWK, Maclnnes, JM, Bown, MR, Newton, MI,
“Density-Viscosity Product of Small-Volume Ionic Liquid Samples Using Quartz Crystal Impedance Analysis”
Analytical Chemistry, 2008 80, pp 5806 -5811

Chan, TY, Priestman, GH, MacInnes, JM, Allen, RWK,
“Development Of A Micro-Channel Contactor-Separator For Immiscible Liquids”
Chemical Engineering Research & Design, 2008, 86, pp 65 - 74

Le Duigou, A, Allen, RWK, Cerri, G, Sattler, et al,
“HYTHEC: An EC Funded Search For a Long Term Massive Hydrogen Production Route Using Solar and Nuclear Technologies”
International Journal Of Hydrogen Energy, 2007, 32, pp 1516 - 1529

Brown, DH, Das, V, Allen, RWK, Styring, P,
“Monodomain Liquid Crystal Elastomers And Elastomeric Gels: Improved Thermomechanical Responses and Phase Behaviour by Addition of Low Molecular Weight LCs”
Materials Chemistry And Physics, 2007, 104, pp 488 -496

MacInnes, JM, Vikhansky, A, Allen, RWK,
“Numerical Characterisation of Folding Flow Microchannel Mixers”
Chemical Engineering Science, 2007, 62, pp 2718 - 2727

Bown, MR, MacInnes, JM, Allen, RWK,
“Three-Component Micro-PIV Using the Continuity Equation and a Comparison of the Performance with that of Stereoscopic Measurements”
Experiments in Fluids, 2007, 42, pp 197 – 205.

Bown, M., MacInnes, J,M, Allen, R.W.K. and Zimmerman, W.B.J.
“Three-Dimensional, Three-Component Velocity Measurements Using Steroscopic micro-PIV and PTV”
2006, Meas.Sci & Tech. 17, 2175-2185.

Ewan, BCR, Allen, RWK,
“Limiting thermodynamic efficiencies of thermochemical cycles used for hydrogen generation”
Green Chemistry, 2006, 8, pp 988 – 994.

Ng, SY, Priestman, GH, Allen, RWK,
“Investigation of Flooding, Re-Entrainment And Grade Efficiency in Axial Flow Cyclones”
Chemical Engineering Research & Design, 2006, 84, pp 884 - 894

Bown, MR, MacInnes, JM, Allen, RWK, Zimmerman, WBJ,
“Three-Dimensional, Three-Component Velocity Measurements Using Stereoscopic Micro-PIV and PTV”
Measurement Science & Technology, 2006, 17, pp 2175 – 2185.

Elder, R.H., Priestman, G.H., Ewan, BC and Allen, R.W.K.,
”The Separation of HIx in the Sulphur-Iodine Thermochemical Cycle for Sustainable Hydrogen Production”
2005, Invited Publication, Trans I ChemE, Part B, July, pp 343-350

Tesar, V., Tippetts, J.R., Low, Y.Y., and R.W.K.Allen
“Subdynamic Asymptotic Behaviour of Microfluidic Valves”
J. Microelectricalmechanical Systems, Vol 14, No2, April
2005

Tippetts, J.R., Allen R.W.K. and Y Y Low
“A planar jet pump for use as a micro-scale flow diverter”
Accepted for publication in ASME J Fluids Engineering
2005

Bown, M.R., MacInnes. J.M. and R.W.K.Allen
“Micro PIV Simulation and Measurement in Complex Microchannel Geometries”
Accepted for publication in Measurement Science and Technology
2005

Ewan, B.C., and R.W.K.Allen
“A Figure of Merit Assessment of the Routes to Hydrogen”
International Journal of Hydrogen Energy, 30, pp 809-819
2005

Elder, R.H., Priestman, G.H., Ewan, B.C. and R.W.K. Allen
“The Separation of HIx in the Sulphur-Iodine Thermochemical Cycle for Sustainable Hydrogen Production”
Presented to the World Congress of Chemical Engineering, Glasgow, July
2005

MacInnes, J.M., Priestman, G.H. and Allen, R.W.K.
“Fluid Film Stability in a Spinning Micro-channel Multiphase Contactor”
Presented to the World Congress of Chemical Engineering, Glasgow, July
2005

Wu, Y., Allen, R.W.K. and Ewan, B.C.
“Safety Issues and Risk Analysis of Various Routes to Hydrogen Production”
Presented to the World Congress of Chemical Engineering, Glasgow, July
2005

Shaw, A., Brennan, A., O Sullivan, B., MacInnes, J. M. and Allen, R.W.K.
“Ionic Liquid Viscosaity Measurement using a Simple Microchannel Chip”
Presented to the World Congress of Chemical Engineering, Glasgow, July
2005

Le Duigou, A.,, Allen, R.W.K., Roeb, M et al
“HYTHEC: A Search for a long Term, Massive Scale Hydrogen Production Route”
Proc Int Hydrogen Energy Conference, IHEC, Istanbul, July
2005

MacInnes, J.M., Chen, Z and R.W.K.Allen
“Investigation of Alternating-Flow Mixing in Microchannels”
Chem Eng Science, 60, pp 3453 - 3467
2005

Broadwell, I., Fletcher, P.D.I., Haswell, S.I., Zhang, X., Allen, R.W.K., MacInnes, J.M., and X. Du
“Pressure-Driven and Electroosmotic Flows and Electrical Currents in Lab-on-a-Chip Micro Reactor Devices”
Trends in Physical Chemistry, 10, 117-133
2004

Adams, H., Allen, R.W.K., Chin, J.K., O Sullivan, B., Styring, P. and L. Sutton
“4’-(Dimethylamino)-4-nitroazobenzene”
Acta Crystallographica, Structure Reports, E 60, p289 - p290
2004

Tesar V., Tippetts J.R., Allen R. W.K.
" 'Failure' of Steady CFD solutions caused by Vortex Shedding"
Developments in Machinery Design and Control, Vol. 3, p. 87 – 94
2004

Tesar, V., Tippetts, J.R., Low, Y.Y. and R.W.K.Allen
“Development of a Microfluidic Unit for Sequencing Fluid Samples for Composition Analysis”
Trans I Chem E, Part A, 82, (6), 1-11
2004

MacInnes, J. M., X. Du and R. W. K. Allen
,”Dynamics of Electroosmotic Switching of Reacting Microfluidic Flows”
Transactions of the IChemE, Part A, 81 (7), 773-786
2003

MacInnes, J. M., X. Du and R. W. K. Allen
“Prediction of Electrokinetic and Pressure Flow in a Microchannel T-junction”
Physics of Fluids, 15(7), 1992-2005
2003

Archer, E. and Allen R. W. K.
“Dry Scrubbing of Flue Gases”
Transactions of the Filtration Society, Vol 3 No 3, pp 169-180
2003

Wilkin O.M., Allen R.W.K., Maitlis P.M., Tippetts J.R., Tesar V., Turner M.L., Haynes A., Pitt M.J., Low Y.Y., Sowerby B.
"High Throughput Testing of Catalysts for the Hydrogenation of Carbon Monoxide to Ethanol"
Principles and Methods for Accelerated Catalyst Design and Testing", p. 299-303, ISBN 1402007205, Kluwer Acad. Publishers, the Netherlands
2002

Allen, R.W.K., E.D. Archer and J.M. MacInnes
“Theoretical Account of a Dry Sorption Injection Experiment”
AIChE Journal, 47 (12), 2684-2694
2001

Allen RWK
“Microchannel Reactors: Chemical Engineering in another Dimension?”
Ingenia, April 2001

Allen, R.W.K., E.D. Archer and J.M. MacInnes
“Adsorption by Particles Injected into a Gas Stream”
Chemical Engineering Journal, 83, 165-174
2001

Conference Presentations

Atkin, I, Priestman, G.H., Allen, R.W.K.,
“High temperature oxygen separation membranes for hydrogen producing thermochemical cycles”
Building the Hydrogen and Fuel Cells Future, March 2009, Birmingham, UK

Elder, R.H., Elbakhbakhi, N.M., Priestman, G.H., Allen, R.W.K., “Application of Nafion Membranes to the Sulphur Iodine Cycle”, AIChE Annual Meeting, 2008, Philadelphia, PA.

Taylor, M., Styring, P. & Allen, R. W. K.,
“The Operation of the Bunsen Reaction in the Presence of Novel Organic Solvents”
AIChE Annual Meeting. 2008, Phildelphia, PA.

Atkin, I., Priestman, G. H. & Allen, R. W. K.,
“Improving Sulphur Dioxide Yield in the Sulphuric Acid Thermal Decomposition Process through the Application of Membrane Separation”
2008, AIChE Annual Meeting. Philadelphia, PA.

Elder, R.H., Priestman, G.H., Allen, R.W.K.,
“Improving the Efficiency of the Sulphur Iodine Thermochemical Cycle for Hydrogen Production Using Membrane Separations”
2007, AIChE Annual Meeting, Salt Lake City, UT.

Shaw, A., Ewan, B. C. & Allen, R. W. K.,
“Measurements of the Simultaneous Solubility of Oxygen and Sulphur Dioxide in Water for the Hybrid Sulphur Thermochemical Cycle"
2007, AIChE Annual Meeting. Salt Lake City, UT.

Allen, R.W.K., Le Duigou, et al
Results of the EC Funded Project, HYTHEC on Massive Scale Hydrogen via Thermochemical Cycles
Presented to the AIChemE Annual Meeting, Salt Lake City, USA, November 2007

Elder, R, Priestman, GH and Allen, RWK
Improving the Efficiency of the Sulphur Iodine Cycle for Hydrogen Production using Membrane Separations
Presented to the AIChemE Annual Meeting, Salt Lake City, USA, November 2007

Shaw, A.C. Ewan, B.C. and Allen, R.W.K.
Measurements of the Simultaneous Solubility of Oxygen and Sulphur Dioxide in Water for the Hybrid Sulphur Thermochemical Cycle
Presented to the AIChemE Annual Meeting, Salt Lake City, USA, November 2007

Ewan BC, Allen RWK
Limiting thermodynamic efficiencies of thermochemical cycles used for hydrogen generation
Green Chemistry 8 (11): 988-994, 2006

Shaw, A.C. Ewan, B.C. and Allen, R.W.K.
Sulphuric Acid Decomposition Reactions in the Sulphur Iodine and Westinghouse Processes for Hydrogen Generation
Presented to the WHEC, Lyon, June 2006

R.W.K.Allen and W.B.J.Zimmerman
“Challenges in the Use of Process Heat from High Temperature Nuclear Reactors”
Invited Keynote Lecture, Turbulence, Heat and Mass Transfer Conference, Dubrovnik, September
2006

Allen, R.W.K., Le Duigou, A., Roeb, M et al
“HYTHEC: A Search for a long Term, Massive Scale Hydrogen Production Route”
Presented to the A I Chem E Annual Meeting, Cincinnati, November
2005

Ewan, B.C., and Allen, R.W.K.
“A representation of Limiting Efficiencies of Thermochemical Cycles”
Presented to the A I Chem E Annual Meeting, Cincinnati, November
2005

Elder, R.H., Borgard, J.M., Ewan, B.C. and Allen, R.W.K.
“Use of Membranes and Reactive Distillation for the Separation of HIx in the Sulphur Iodine Cycle”
Presented to the A I Chem E Annual Meeting, Cincinnatti, November
2005

M. Bown, J,M, MacInnes, R.W.K. Allen and W.B.J. Zimmerman
“Three-Component Microfluidic Velocity Measurements Using Steroscopic PIV”
Paper presented at 6th International Symposium on PIV, Pasadena, September
2005

Elder, R.H., Priestman, G.H., Ewan, BC and Allen, R.W.K.
”The Separation of HIx in the Sulphur-Iodine Thermochemical Cycle for Sustainable Hydrogen Production”
Invited Publication, Trans I ChemE, Part B, July, pp 343-350
2005

MacInnes, J.M., Priestman, G.H. and Allen, R.W.K., 2005
“Fluid Film Stability in a Spinning Micro-channel Multiphase Contactor”
Presented to the World Congress of Chemical Engineering, Glasgow, July

Wu, Y., Allen, R.W.K. and Ewan, B.C., 2005,
“Safety Issues and Risk Analysis of Various Routes to Hydrogen Production”
Presented to the World Congress of Chemical Engineering, Glasgow, July

Shaw, A., Brennan, A., O Sullivan, B., MacInnes, J. M. and Allen, R.W.K., 2005
“Ionic Liquid Viscosaity Measurement using a Simple Microchannel Chip”
Presented to the World Congress of Chemical Engineering, Glasgow, July

Le Duigou, A.,, Allen, R.W.K., Roeb, M and others, 2005
“HYTHEC: A Search for a long Term, Massive Scale Hydrogen Production Route”
Proc Int Hydrogen Energy Conference, IHEC, Istanbul, July

Tesar, V., Tippetts, J. R., Allen, R. W. K., 2002
“Vortex Shedding Enigma in a Microfluidic Valve”, 10th International Symposium on Flow Visualization
Kyoto, 26th – 29th August, 2002.

Allen RWK, Archer, E and MacInnes, J
“The Effect of Particle Shape and Size Distribution on the Uptake of Organic Vapours in a Dry Sorption System”
Keynote Lecture, 3rd International Conference of Incineration and Flue Gas Treatment, Brussels, 3rd July, 2001

Low, Y. Y., Tesar, V., Tippetts, J. R., Pitt, M. J., Allen, R. W. K., 2001, “Multichannel Catalyst-Testing Reactor with Microfluidic Flow Control”
3rd European Congress of Chemical Engineering, Nuremberg, 26th – 28th June, 2001

Tesar, V., Low, Y. Y., Tippetts, J. R., Allen, R. W. K., 2001, “Microfluidics for MEMS - Microfluidic valve”
4th Pacific International Conference on Aerospace Science and Technology, Kaohsiung, 21st – 23rd May 2001.

Allen, R <. W . K.
“Design of a Multi-channel High Throughput Catalyst Testing Reactor Incorporating Low Reynolds Number fluid switching”
Institute of Applied Catalysis, Annual General Meeting, London, June 12th 2001.

Swithenbank, J, Allen RWK and Sharifi, VN,
“The Incineration Option”
The Chemical Engineer, May 2001, pp 64 –65.

Allen R.W.K. and Darton R.
“Accreditation by Learning Outcomes”
The chemical Engineer, March 2001.