Investigation of droplet distribution in electrohydrodynamic atomization (EHDA) using an ac-based electrical capacitance tomography (ECT) system with an internal-external electrode sensor

Measurement Science and Technology

Volumn 23, Issue 1, 2012, Pages

  Rezvanpour, Alireza ^a   Wang, Chi Hwa ^a   Liang, Yung C ^a   Yang, Wuqiang ^b  

^a NATIONAL UNIVERSITY OF SINGAPORE   (Singapore)

^b UNIVERSITY OF MANCHESTER   (United Kingdom)

Author keywords

droplet trajectory; EHDA encapsulation chamber; Electrical capacitance tomography (ECT); electrohydrodynamic atomization (EHDA); internal external electrode sensor

Indexed keywords

ATOMIZATION; CAPACITANCE; DROPS; ELECTRIC IMPEDANCE TOMOGRAPHY; ELECTRODES; ELECTROHYDRODYNAMICS; NANOPARTICLES; OBJECT DETECTION;

DROPLET TRAJECTORIES; EHDA ENCAPSULATION CHAMBER; ELECTRICAL CAPACITANCE TOMOGRAPHY; ELECTRICAL CAPACITANCE TOMOGRAPHY SYSTEMS; ELECTROHYDRODYNAMIC ATOMIZATION; NON-INVASIVE MEASUREMENT TECHNIQUE; PARTICLE TRAJECTORIES; PHARMACEUTICAL PARTICLES;

ENCAPSULATION;

EID: 84855376428     PISSN: 09570233     EISSN: 13616501     Source Type: Journal    
DOI: 10.1088/0957-0233/23/1/015301     Document Type: Article

References (38)

1. Jiang W L, Gupta R K, Deshpande M C and Schwendeman S P 2005 Biodegradable poly(lactic-co-glycolic acid) microparticles for injectable delivery of vaccine antigens Adv. Drug Deliv. Rev. 57 391-410 (Pubitemid 39550967)
2. Kreuter J 2001 Nanoparticulate systems for brain delivery of drugs Adv. Drug Deliv. Rev. 47 65-81 (Pubitemid 32209233)
3. Almekinders J C and Jones C 1999 Multiple jet electrohydrodynamic spraying and applications J. Aerosol Sci. 30 969-71 (Pubitemid 29281204)
4. Tatemoto Y, Ishikawa R, Takeuchi M, Takeshita T, Noda K and Okazaki T 2007 An electrospray method using a multi-capillary nozzle emitter Chem. Eng. Technol. 30 1274-9 (Pubitemid 47455499)
5. Rhodes M J 2008 Introduction to Particle Technology 2nd edn (Chichester: Wiley)
6. Ismail I, Gamio J C, Bukhari S F A and Yang W Q 2005 Tomography for multi-phase flow measurement in the oil industry Flow Meas. Instrum. 16 145-55 (Pubitemid 40735358)
7. Isaksen O 1996 A review of reconstruction techniques for capacitance tomography Meas. Sci. Technol. 7 325-37 (Pubitemid 126574905)
8. Yang W Q and Peng L H 2003 Image reconstruction algorithms for electrical capacitance tomography Meas. Sci. Technol. 14 R1-13
9. Warsito W and Fan L S 2001 Neural network based multi-criterion optimization image reconstruction technique for imaging two- and three-phase flow systems using electrical capacitance tomography Meas. Sci. Technol. 12 2198-210 (Pubitemid 34010449)
10. Dyakowski T, Edwards R B, Xie C G and Williams R A 1997 Application of capacitance tomography to gas-solid flows Chem. Eng. Sci. 52 2099-110 (Pubitemid 27275042)
11. Jaworski A J and Dyakowski T 2001 Application of electrical capacitance tomography for measurement of gas-solids flow characteristics in a pneumatic conveying system Meas. Sci. Technol. 12 1109-19 (Pubitemid 32760741)
12. Rao S M, Zhu K W, Wang C H and Sundaresan S 2001 Electrical capacitance tomography measurements on the pneumatic conveying of solids Ind. Eng. Chem. Res. 40 4216-26 (Pubitemid 33009798)
13. Zhu K W, Rao S M, Wang C H and Sundaresan S 2003 Electrical capacitance tomography measurements on vertical and inclined pneumatic conveying of granular solids Chem. Eng. Sci. 58 4225-45 (Pubitemid 37164375)
14. Zhu K W, Rao S M, Huang Q H, Wang C H, Matsusaka S and Masuda H 2004 On the electrostatics of pneumatic conveying of granular materials using electrical capacitance tomography Chem. Eng. Sci. 59 3201-13 (Pubitemid 38870667)
15. Williams R A, Luke S P, Ostrowski K and Dyakowski T 1998 Real time imaging of dense phase particulate flows in conveying and fluidization 1st Int. Symp. on On-line Flow Measurement of Particulate Solids (Chatham, UK) pp 172-81
16. Beck M S, Dyakowski T and Wang S J 1996 Measurement of fluidization dynamics in a fluidised bed using capacitance tomography Publication 29-02 UMIST, UK
17. Wang S, Dyakowski T and Beck M S 1996 Application of electrical capacitance tomography to measure gas-solid motion in fluidised bed Heat Transfer (AIChE Symposium Series) (Houston, TX: AIChE) pp 155-60
18. Liu S, Wang S, Mason D J, Dyakowski T and Geldart D 1997 Measurement of solids concentration in gas-solid flows using capacitance tomography and pressure sensors Proc. 8th Conf. on Sensors and their Applications (Glasgow, UK, 7-10 September) (Bristol: Institute of Physics Publishing) pp 101-5
19. Yang W Q, Conway W F, Beck M S and Byars M 1997 A demonstration unit for fluidization process analysis with capacitance tomography Frontiers in Industrial Process Tomography II (Delft, 8-12 April) pp 225-8
20. Dyakowski T, Luke S P, Ostrowski K L and Williams R A 1999 On-line monitoring of dense phase flow using real time dielectric imaging Powder Technol. 104 287-95
21. Halow J S, Fasching G E, Nicoletti P and Spenik J L 1993 Observations of a fluidized bed using capacitance imaging Chem. Eng. Sci. 48 643-59 (Pubitemid 23633933)
22. Wang S J, Dyakowski T, Xie C G, Williams R A and Beck N S 1995 Real-time capacitance imaging of bubble formation at the distributor of a fluidized-bed Chem. Eng. J. Biochem. Eng. 56 95-100
23. Du B, Warsito W and Fan L S 2005 ECT studies of gas-solid fluidized beds of difference diameters Ind. Eng. Chem. Res. 44 5020-30
24. Yang W Q and Liu S 1999 Electrical capacitance tomography with square sensor Electron. Lett. 35 295-6
25. Liu S, Wang H G, Jiang F and Yang W Q 2002 A new image reconstruction method for tomographic investigation of fluidized beds AIChE J. 48 1631-8 (Pubitemid 36173002)
26. Liu S, Yang W Q, Wang H, Jiang F and Su Y 2001 Investigation of square fluidized beds using capacitance tomography: preliminary results Meas. Sci. Technol. 12 1120-5 (Pubitemid 32760742)
27. Liu S, Fu L and Yang W Q 1999 Optimization of an iterative image reconstruction algorithm for electrical capacitance tomography Meas. Sci. Technol. 10 L37-9
28. Yang D Y, Xu C L, Zhou B, Wang S M and Wu X 2007 AC-based capacitance tomography system with small-diameter and high-pressure pipe Multiphase Flow: The Ultimate Measurement Challenge, AIP Conf. Proc. vol 914 pp 725-33
29. Huang S M, Xie C F, Thorn R, Snowden D and Beck M S 1992 Design of sensor electronics for electrical capacitance tomography IEE Proc. G 139 83-8
30. Chaplin G and Pugsley T 2005 Application of electrical capacitance tomography to the fluidized bed drying of pharmaceutical granule Chem. Eng. Sci. 60 7022-33 (Pubitemid 41260617)
31. York T 2001 Status of electrical tomography in industrial applications J. Electron. Imaging 10 608-19 (Pubitemid 32887801)
32. Yang W Q 1996 Hardware design of electrical capacitance tomography systems Meas. Sci. Technol. 7 225-32 (Pubitemid 126574896)
33. Yang W Q and York T A 1999 New AC-based capacitance tomography system IEE Proc., Sci. Meas. Technol. 146 47-53
34. Chen D, Yang W and Pan M 2010 The dynamic response of a Butterworth low-pass filter in an ac-based electrical capacitance tomography system Meas. Sci. Technol. 21 105505
35. Yang W Q 2001 Further developments in an ac-based capacitance tomography system Rev. Sci. Instrum. 72 3902-7 (Pubitemid 33607387)
36. Yang W Q 2010 Design of electrical capacitance tomography sensors Meas. Sci. Technol. 21 042001
37. Liu S, Yang W Q and Wang H 2001 An electrical capacitance tomography sensor with internal-external electrodes Proc. SPIE 4188 300-7 (Pubitemid 32385149)
38. Wohlfarth C (ed) 1991 Landolt-Börnstein: Numerical Data and Functional Relationships in Science and Technology vol 6 Static Dielectric Constants of Pure Liquids and Binary Liquid Mixtures (Berlin: Springer)