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Abstrakty
Measuring changes of bulk materials concentration during gravitational flow, a silo emptying is essential information for the assessment of the behaviour and condition of the material during the emptying of the silo. Parameters obtained during this process are important both in terms of process economics and safety, are the basis for monitoring and diagnostics of the process. Affect the current process, but primarily are the result of their filling the silo, and the process of storing the material. Previous studies, conducted by a team of authors, the laboratory-scale silos and numerical calculations and simulations of its increase, helped build the ECT sensor on a large scale. Results related to the change of scale of the sensor and the actual measurements will be discussed in the article. Proposed by the authors of the paper, the method of visualization, performed in the measuring process, helps to ask about the process and suggests a methodology for dealing with the material stored in the silo.
Słowa kluczowe
Wydawca
Czasopismo
Rocznik
Tom
Strony
327--338
Opis fizyczny
Bibliogr. 29 poz., rys.
Twórcy
autor
- Institute of Applied Computer Science, Lodz University of Technology, Poland
autor
- Institute of Applied Computer Science, Lodz University of Technology, Poland
autor
- Institute of Applied Computer Science, Lodz University of Technology, Poland
autor
- Institute of Applied Computer Science, Lodz University of Technology, Poland
autor
- Institute of Applied Computer Science, Lodz University of Technology, Poland
autor
- Institute of Applied Computer Science, Lodz University of Technology, Poland
Bibliografia
- [1] A. Plaskowski, M.S. Beck, R. Thorn, T. Dyakowski, Imaging Industrial Flows: Applications of Electrical Process Tomography, Taylor & Francis, pp. 232, 1995
- [2] R.A. Williams, M.S. Beck, Process Tomography: Principles, Techniques and Applications, Butterworth-Heinemann, pp. 384, 1995
- [3] D.M. Scott, H. McCann, Process imaging for automatic control, Taylor and Francis, pp. 439, 2005
- [4] A. Jaworski, T. Dyakowski, Application of electrical capacitance tomography for measurement of gassolids flow characteristics in a pneumatic conveying system, Measurement Science and Technology, Vol. 12, pp. 1109-1119, 2001
- [5] K.L. Ostrowski, S.P. Luke, M.A. Bennett, R.A. Williams, Real Time Visualisation and Analysis of Dense Phase Powder Conveying, Powder Technol., Vol. 102, pp. 1-13, 1999
- [6] W.Q. Yang, S. Liu, Role of tomography in gas/solids flow measurement, Flow Meas. and Instrum., Vol. 11, pp. 237-244, 2000
- [7] K. Grudzie´n, A. Romanowski, R.G. Aykroyd, R.A. Williams, Advanced Statistical Analysis as a Novel Tool to Pneumatic Conveying Monitoring and Control Strategy Development, Part. Part. Syst. Charact., Vol. 23, pp. 289-296, 2006
- [8] Z. Chaniecki, T. Dyakowski, M. Niedostatkiewicz, D. Sankowski, Bulk Solids Flow Analysis in Silos by Electrical Capacitance Tomography, Proceedings of 4th World Congress on Industrial Process Tomography, Aizu, Japan, pp. 1024-1029, 2005
- [9] Z. Chaniecki, T. Dyakowski, M. Niedostatkiewicz, D. Sankowski, Application of electrical capacitance tomography for bulk solids flow analysis in silos, Particle & Particle Systems Characterization, Vol. 23, No. 3-4, pp. 306-312, , 2006
- [10] K. Grudzie´n, A. Romanowski, R.A. Williams, D. Sankowski, Methods for analysis of hopper flow behaviour using electrical capacitance tomography, Proceedings of 4th World Congress on Industrial Process Tomography, Aizu, Japan, pp. 892-897, 2005
- [11] K. Wilde, J. Tejchman, M. Rucka, M. Niedostatkiewicz, Experimental and theoretical investigations of silo music, Powder Technology, Vol. 198, pp. 14-24, 2009
- [12] M. Niedostatkiewicz, J. Tejchman, Z. Chaniecki, K. Grudzień, Determination of bulk solid concentration changes during granular flow in a silo with ECT sensors, Chemical Engineering Science, Vol. 64, pp. 20-30, 2008
- [13] K. Grudzień, A. Romanowski, Z. Chaniecki, M. Niedostatkiewicz, D. Sankowski, Description of the silo flow and bulk solid pulsation detection using ECT, Flow Measurements and Instrumentation, Vol. 21, pp. 198-206, 2010
- [14] F.T. Kuhn, J.C. Schouten, R.F. Mudde, C.M. van den Bleek, B. Scarletty, Analysis of chaos in fluidization using electrical capacitance tomography, Meas. Sci. Technol., Vol. 7, pp. 361-368, 1996
- [15] S. Liu, W.Q. Yang, H. Wang, G. Yan, Z. Pan, Flow pattern identification of fluidized beds using ECT , Journal of Thermal Science, Vol. 10, pp. 176-181, 2000
- [16] H.G. Wang, W.Q. Yang, Measurement of fluidised bed dryer by different frequency and different normalisation methods with electrical capacitance tomography, Powder Technology, Vol. 199, pp. 60-69, 2009
- [17] H. Wang, W.Q. Yang, Scale-up of an electrical capacitance tomography sensor for imaging pharmaceutical fluidized beds and validation by computational fluid dynamics, Meas. Sci. Technol. Vol. 22, 2011
- [18] K. Grudzień, Z. Chaniecki, A. Romanowski, J. Betiuk, B. Matusiak, D. Sankowski, Monitorowanie przemysłowych systemów przepływu grawitacyjnego materiałów sypkich w siosach o dużych gabarytach z użyciem tomografii ECT - badania wstępne, Automatyka, pp. 561-570, 2011
- [19] K. Brandisky, A. Romanowski, K. Grudzień, D. Sankowski, Electrical Field Simulations in the Analysis and Design of Electrical Capacitance Tomography Sensor, Automatyka, pp. 655-669, 2010
- [20] W.R.B. Lionheart, Reconstruction algorithms for permittivity and conductivity imaging, Proc. of 2nd Congress Industrial Process Tomography, Hannover, 4-11, 2001
- [21] W.Q. Yang, Design of electrical capacitance tomography sensor, Meas. Sci. Technol.,Vol. 21, pp. 13, 2001
- [22] R. Wajman, D. Sankowski, Sensitivity analysis for capacitance tomography, Electrical Capacitance Tomography, Theoretical Basis and Applications, Instytut Elektrotechniki, Warszawa, pp. 108-117, 2010
- [23] Agilent, http://www.home.agilent.com
- [24] S. Bangliang, Z.Yiheng, P. Lihui, Y. Danya, Z Baofen, The use of simultaneous iterative reconstruction technique for electrical capacitance tomography, Chemical Engineering Journal, Vol. 77, No. 1, pp. 37-41, April 2000
- [25] W.Q. Yang, T.A. Yort, New AC-based capacitance tomography system, Science, Measurement and Technology, IEEE Proceedings, pp. 47-53, 1999
- [26] M. Niedostatkiewicz, J. Tejchman, Measurements of changes of the bulk solid density during granular flow in silos, Powder Handling & Processing, Vol. 17, No. 2, pp. 76-83, 2005
- [27] M. Niedostatkiewicz, J. Tejchman, Experimental and theoretical studies on resonance dynamic effects during silo flow, Powder Handling & Processing, Vol. 15, No. 1, pp. 36-42, 2003
- [28] K. Wilde, M. Rucka, J. Tejchman, Silo musicmechanism of dynamic flow and structure interaction, Powder Technology, Vol. 186, pp. 113-129, 2008
- [29] J. Tejchman, Technical concept to prevent the silo honking, Powder Technology, Vol. 106, pp. 7-22, , 1999
Typ dokumentu
Bibliografia
Identyfikator YADDA
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