Imperial College London

Emeritus ProfessorGeoffreyHewitt

Faculty of EngineeringDepartment of Chemical Engineering

Emeritus Professor
 
 
 
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Contact

 

+44 (0)20 7594 5562g.hewitt

 
 
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Assistant

 

Mrs Sarah Payne +44 (0)20 7594 5567

 
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Location

 

507aACE ExtensionSouth Kensington Campus

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Summary

 

Publications

Publication Type
Year
to

224 results found

Hewitt GF, 2002, Heat exchanger design handbook 2002 (HEDH 2002), York, Publisher: Begell House, ISBN: 9781567001822

Book

Falcone G, Hewitt GF, Alimonti C, Harrison Bet al., 2001, Multiphase Flow Metering: Current Trends and Future Developments, Proceedings - SPE Annual Technical Conference and Exhibition, Pages: 1291-1303

Over the last decade the development, evaluation and use of MFM systems has been a major focus for the Oil & Gas industry worldwide. So far, many alternative metering systems have been developed, but none of them can be referred to as generally applicable or universally accurate. Both established and novel technologies suitable to measure the flow rates of gas, oil and water in a three-phase flow are reviewed and assessed within this framework. Those technologies already implemented in the various commercial meters are then evaluated in terms of operational and economical advantages or shortcomings from an operator point of view. The lessons learned about the practical reliability, accuracy and use of the available technology are discussed. As operators now realise, incorporation of MFM's is an essential step in exploiting marginal fields. A new approach to flow assurance, deep water developments, downhole/seabed separation systems and wet gas fields is foreseen. The paper suggests where the research to develop the next generation of MFM devices will be focused in order to meet the as yet unsolved problems.

Journal article

Barbosa JR, Govan AH, Hewitt GF, 2001, Visualisation and modelling studies of churn flow in a vertical pipe, INTERNATIONAL JOURNAL OF MULTIPHASE FLOW, Vol: 27, Pages: 2105-2127, ISSN: 0301-9322

Journal article

Yeo LY, Matar OK, de Ortiz ESP, Hewitt GFet al., 2001, The dynamics of Marangoni-driven local film drainage between two drops, JOURNAL OF COLLOID AND INTERFACE SCIENCE, Vol: 241, Pages: 233-247, ISSN: 0021-9797

Journal article

Badie S, Lawrence CJ, Hewitt GF, 2001, Axial viewing studies of horizontal gas-liquid flows with low liquid loading, INTERNATIONAL JOURNAL OF MULTIPHASE FLOW, Vol: 27, Pages: 1259-1269, ISSN: 0301-9322

Journal article

Ng TS, Lawrence CJ, Hewitt GF, 2001, Interface shapes for two-phase laminar stratified flow in a circular pipe, INTERNATIONAL JOURNAL OF MULTIPHASE FLOW, Vol: 27, Pages: 1301-1311, ISSN: 0301-9322

Journal article

Sun G, Hewitt GF, 2001, Evaporation and condensation of steam-water in a vertical tube, NUCLEAR ENGINEERING AND DESIGN, Vol: 207, Pages: 137-145, ISSN: 0029-5493

Journal article

Hunt JCR, Sandham ND, Vassilicos JC, Launder BE, Monkewitz PA, Hewitt GFet al., 2001, Developments in turbulence research: a review based on the 1999 Programme of the Isaac Newton Institute , Cambridge, JOURNAL OF FLUID MECHANICS, Vol: 436, Pages: 353-391, ISSN: 0022-1120

Journal article

Wolf A, Jayanti S, Hewitt GF, 2001, Flow development in vertical annular flow, CHEMICAL ENGINEERING SCIENCE, Vol: 56, Pages: 3221-3235, ISSN: 0009-2509

Journal article

Ng TS, Lawrence CJ, Hewitt GF, 2001, Gravity-driven laminar flow in a partially-filled pipe, CHEMICAL ENGINEERING RESEARCH & DESIGN, Vol: 79, Pages: 499-511, ISSN: 0263-8762

Journal article

Barbosa JR, Hewitt GF, 2001, Forced convective boiling of binary mixtures in annular flow. Part II: heat and mass transfer, INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, Vol: 44, Pages: 1475-1484, ISSN: 0017-9310

Journal article

Barbosa JR, Hewitt GF, 2001, Forced convective boiling of binary mixtures in annular flow. Part I: liquid phase mass transport, INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, Vol: 44, Pages: 1465-1474, ISSN: 0017-9310

Journal article

Hawkes NJ, Lawrence CJ, Hewitt GF, 2001, Prediction of the transition from annular to wispy-annular flow using linear stability analysis of the gas-droplet core, CHEMICAL ENGINEERING SCIENCE, Vol: 56, Pages: 1925-1932, ISSN: 0009-2509

Journal article

Hewitt GF, 2001, Flow pattern: Friend or foe?, 2nd International Symposium on Multi-Phase Flow and Transport Phenomena, Publisher: BEGELL HOUSE, INC, Pages: 3-24

Conference paper

Yeo LY, Matar OK, de Ortiz SP, Hewitt GFet al., 2001, Predicting phase inversion behaviour using a Monte Carlo technique, 2nd International Symposium on Multi-Phase Flow and Transport Phenomena, Publisher: BEGELL HOUSE, INC, Pages: 144-151

Conference paper

Hale CP, Hewitt GF, King MJS, Lawrence CJ, Manfield P, Mendes-Tatsis MA, Odozi UA, Ujang PM, Wong WLet al., 2001, Slugs, waves and the law of the jungle, Cranfield, 10th international conference on multiphase, Cannes, France, Publisher: BHR Group, Pages: 25-48

Conference paper

Richardson SM, Saville G, 2001, Results of Spadeadam experimental validation, Guidelines for the safe and optimum design of hydrocarbon pressure relief and blowdown systems, Editors: Hewitt, Hewitt, Hewitt, Publisher: Institute of Petroleum, ISBN: 9780852932872

Book chapter

Barbosa JR, Richardson SM, Hewitt GF, 2001, Churn flow: myth, mystery and magic, Proceedings of European two-phase flow group meeting, Aveiro, 2001

Conference paper

Soleimani A, Lawrence CJ, Hewitt GF, 2000, Spatial distribution of oil and water in horizontal pipe flow, 1999 SPE Annual Technical Conference and Exhibition, Publisher: SOC PETROLEUM ENG, Pages: 394-401, ISSN: 1086-055X

Conference paper

Hawkes NJ, Lawrence CJ, Hewitt GF, 2000, Studies of wispy-annular flow using transient pressure gradient and optical measurements, INTERNATIONAL JOURNAL OF MULTIPHASE FLOW, Vol: 26, Pages: 1565-1582, ISSN: 0301-9322

Journal article

Badie S, Hale CP, Lawrence CJ, Hewitt GFet al., 2000, Pressure gradient and holdup in horizontal two-phase gas-liquid flows with low liquid loading, INTERNATIONAL JOURNAL OF MULTIPHASE FLOW, Vol: 26, Pages: 1525-1543, ISSN: 0301-9322

Journal article

Angeli P, Hewitt GF, 2000, Drop size distributions in horizontal oil-water dispersed flows, CHEMICAL ENGINEERING SCIENCE, Vol: 55, Pages: 3133-3143, ISSN: 0009-2509

Journal article

Angeli P, Hewitt GF, 2000, Flow structure in horizontal oil-water flow, INTERNATIONAL JOURNAL OF MULTIPHASE FLOW, Vol: 26, Pages: 1117-1140, ISSN: 0301-9322

Journal article

Hewitt GF, 2000, Standard nomenclature list, JOURNAL OF HEAT TRANSFER-TRANSACTIONS OF THE ASME, Vol: 122, Pages: 404-404, ISSN: 0022-1481

Journal article

Hewitt GF, Collier JG, 2000, Introduction to Nuclear Power, Publisher: Hemisphere Publishing Corporation

Book

Watson MJ, Hewitt GF, 1999, Pressure effects on the slug to churn transition, INTERNATIONAL JOURNAL OF MULTIPHASE FLOW, Vol: 25, Pages: 1225-1241, ISSN: 0301-9322

Journal article

Hewitt GF, 1999, Into and out of annular flow, 6th UK National Conference on Heat Transfer, Publisher: PROFESSIONAL ENGINEERING PUBLISHING LTD, Pages: 481-500, ISSN: 1356-1448

Conference paper

Hewitt GF, 1999, Multiphase flow: views of the future, Multiphase Science and Technology, Vol: 11, Pages: 59-77, ISSN: 0276-1459

The Third Workshop on Two-Phase Flow Fundamentals was held at Imperial College, London in June 1992. The Workshop included a wide range of presentations and Invited Lectures. However, the most important ingredient was to bring together the leaders in the field and to promote structured discussion, leading to positive conclusions about the state of the art and the future direction. To this end, the attendees were divided into three caucus groups.

Journal article

Shaha J, Manolis IG, Hewitt GF, 1999, Interfacial shear stress in transient stratified two-phase flow, 9th International Conference on Multiphase 99 - Frontier Technology Comes of Age, Publisher: PROFESSIONAL ENGINEERING PUBLISHING LTD, Pages: 133-147

Conference paper

Barbosa JR, Hewitt GF, 1999, A model for forced convective boiling of ternary mixtures, 6th UK National Conference on Heat Transfer, Publisher: PROFESSIONAL ENGINEERING PUBLISHING LTD, Pages: 169-174, ISSN: 1356-1448

Conference paper

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