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Measurement techniques for multiphase flows
Flow Measurement and Instrumentation 40 (2014) 162
Contents lists available at ScienceDirect
Flow Measurement and Instrumentation journal homepage: www.elsevier.com/locate/flowmeasinst
Editorial
Measurement techniques for multiphase flows Multiphase flows are seen in a wide range of engineering systems and processes. Measurement techniques for multiphase flows are not only of academic interest but also important in a diverse range of engineering applications. Despite many decades of effort in developing multiphase flow measurement techniques, they continue to pose a significant challenge to research scientists and industrial practitioners alike. This special issue contains 13 papers selected from those presented at the 8th International Symposium on Measurement Techniques for Multiphase Flows (ISMTMF) held in Guangzhou in December 2013. The papers have been thoroughly reviewed and modified to take account of the reviewers' comments. We have grouped the papers into four main areas. (1) Acoustic Techniques. In this area we have included papers on online continuous measurement of the size distribution of pneumatically conveyed particles by acoustic emission methods (Hu et al.), on on-line measurement of the size distribution of particles in a gas–solid two-phase flow through acoustic sensing and advanced signal analysis (Guo et al.), and on an ultrasonic level measuring technique based on radiation dissipation and its industrial application (He et al.). (2) Electrical Techniques. Pulverized coal flow metering on a full-scale power plant using electrostatic sensor arrays is presented by Qian et al. Multiple parameters' estimation in horizontal well logging using a conductance-probe array is demonstrated by Xu et al. Voidage measurement of gas–liquid two-phase flow based on capacitively coupled contactless conductivity detection by Ji et al. (3) Process Tomography. The improvement in image reconstruction is, of course, a key problem encountered in industrial process tomography applications. A reference conductivity fitting method for ERT systems to achieve the void fraction measurement of gas/ liquid flow is presented by Ma et al. and an image reconstruction algorithm for capacitively coupled electrical resistance tomography is addressed by Huang et al. (4) Sensors and Methods. Novel sensors and analytical techniques for multiphase flow measurement have attracted significant attention in recent years. In this category there are five papers, including one on an improved global rainbow refractometry
http://dx.doi.org/10.1016/j.flowmeasinst.2014.10.004 0955-5986/& 2014 Published by Elsevier Ltd.
for spray droplets characterization based on five-point method and optimization process (Song et al.), one on experimental investigations on heat transfer mechanisms of pneumatically conveyed solids' plugs as a means to mass flow rate measurement (Zheng et al.), one on non-equilibrium condensation process of water vapor in moist air expansion through a sonic nozzle (Ding et al.), one on wet gas overreading characteristics of a long-throat Venturi at high pressure based on CFD (Xu et al.), and one on coil shape optimization of the electromagnetic flowmeter for different flow profiles (Cao et al.). As guest editors we hope that this special issue helps to further developments in the very challenging field of multiphase flow metering. We wish to express our thanks to the authors, the reviewers and the Organizing Committee of ISMTMF 2013 for their roles in bringing this important new information to the special issue of JFMI. This special issue would not have been possible without the support of Professor Jerker Delsing, Editor-in-Chief of JFMI, who stood behind our effort on this special issue on measurement techniques for multiphase flows. We would also like to thank the Journal Manager, Ms. Annie Grace Arulanandaraj, who has done an excellent job in coordinating the submission and reviews of papers for this special issue.
Yingna Zheng School of Information Engineering, Guangdong University of Technology, Guangzhou 510006, PR China E-mail address: [email protected]
Don McGlinchey School of Engineering and Built Environment, Glasgow Caledonian University, Glasgow G4 0BA, UK E-mail address: [email protected]
Available online 28 October 2014
Contents lists available at ScienceDirect
Flow Measurement and Instrumentation journal homepage: www.elsevier.com/locate/flowmeasinst
Editorial
Measurement techniques for multiphase flows Multiphase flows are seen in a wide range of engineering systems and processes. Measurement techniques for multiphase flows are not only of academic interest but also important in a diverse range of engineering applications. Despite many decades of effort in developing multiphase flow measurement techniques, they continue to pose a significant challenge to research scientists and industrial practitioners alike. This special issue contains 13 papers selected from those presented at the 8th International Symposium on Measurement Techniques for Multiphase Flows (ISMTMF) held in Guangzhou in December 2013. The papers have been thoroughly reviewed and modified to take account of the reviewers' comments. We have grouped the papers into four main areas. (1) Acoustic Techniques. In this area we have included papers on online continuous measurement of the size distribution of pneumatically conveyed particles by acoustic emission methods (Hu et al.), on on-line measurement of the size distribution of particles in a gas–solid two-phase flow through acoustic sensing and advanced signal analysis (Guo et al.), and on an ultrasonic level measuring technique based on radiation dissipation and its industrial application (He et al.). (2) Electrical Techniques. Pulverized coal flow metering on a full-scale power plant using electrostatic sensor arrays is presented by Qian et al. Multiple parameters' estimation in horizontal well logging using a conductance-probe array is demonstrated by Xu et al. Voidage measurement of gas–liquid two-phase flow based on capacitively coupled contactless conductivity detection by Ji et al. (3) Process Tomography. The improvement in image reconstruction is, of course, a key problem encountered in industrial process tomography applications. A reference conductivity fitting method for ERT systems to achieve the void fraction measurement of gas/ liquid flow is presented by Ma et al. and an image reconstruction algorithm for capacitively coupled electrical resistance tomography is addressed by Huang et al. (4) Sensors and Methods. Novel sensors and analytical techniques for multiphase flow measurement have attracted significant attention in recent years. In this category there are five papers, including one on an improved global rainbow refractometry
http://dx.doi.org/10.1016/j.flowmeasinst.2014.10.004 0955-5986/& 2014 Published by Elsevier Ltd.
for spray droplets characterization based on five-point method and optimization process (Song et al.), one on experimental investigations on heat transfer mechanisms of pneumatically conveyed solids' plugs as a means to mass flow rate measurement (Zheng et al.), one on non-equilibrium condensation process of water vapor in moist air expansion through a sonic nozzle (Ding et al.), one on wet gas overreading characteristics of a long-throat Venturi at high pressure based on CFD (Xu et al.), and one on coil shape optimization of the electromagnetic flowmeter for different flow profiles (Cao et al.). As guest editors we hope that this special issue helps to further developments in the very challenging field of multiphase flow metering. We wish to express our thanks to the authors, the reviewers and the Organizing Committee of ISMTMF 2013 for their roles in bringing this important new information to the special issue of JFMI. This special issue would not have been possible without the support of Professor Jerker Delsing, Editor-in-Chief of JFMI, who stood behind our effort on this special issue on measurement techniques for multiphase flows. We would also like to thank the Journal Manager, Ms. Annie Grace Arulanandaraj, who has done an excellent job in coordinating the submission and reviews of papers for this special issue.
Yingna Zheng School of Information Engineering, Guangdong University of Technology, Guangzhou 510006, PR China E-mail address: [email protected]
Don McGlinchey School of Engineering and Built Environment, Glasgow Caledonian University, Glasgow G4 0BA, UK E-mail address: [email protected]
Available online 28 October 2014