Electrostatic charge distribution and capacitance of isolated cylinders and truncated cones in free space

Chakraborty, C.; Поддар, Д. Р.; Chakraborty, Apurba; Das, B.N.

doi:10.1109/15.249403

Cited by 20 publications

(13 citation statements)

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“…Charge distribution of tilted plate and the variation in potential on the surface for different tilted angles is shown. For a cylindrical symmetry, the computation of capacitance for different ratios of height to radius is validated by the results obtained in [16]. The differential potential generated at the day-night interface is computed.…”

Section: Introductionmentioning

confidence: 95%

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Effect of Solar Illumination on Esd for Structure Used in Spacecraft

Alad¹,

Shah²,

Chakrabarty³

et al. 2017

PIER M

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Abstract-This paper presents the effect of solar illumination on the differential potential generated on the surfaces of spacecraft body in space. Two geometrical cases are considered: 1) Cylindrical symmetry and 2) Tilted metallic plates forming an angle with the adjacent side. The capacitance required for estimation of the body potential is computed by Method of Moment. Nonuniform triangular meshing is used for both the geometrical structures. The differential potential generated on surfaces of a geometrical body due to photoelectric effect results in electrostatic discharge. In the case of the tilted plates, the differential potential at various tilt-angles is computed along with the capacitance computation. In the case of the cylindrical object, the estimation of potential at the day-night interface is shown. The variation in the potential for different incident angles of the solar photons and the changing (h/r) ratio is analyzed. The validity of the analysis is established with that obtained in open literature.

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Section: Introductionmentioning

confidence: 95%

“…The potential at any arbitrary point r(x, y, z) in Fig. 2 due to charge distribution ρ at r (x , y , z ) on the conductor cylindrical surface is given by [15][16][17][18],…”

Section: Problem Formulationsmentioning

confidence: 99%

Effect of Solar Illumination on Esd for Structure Used in Spacecraft

Alad¹,

Shah²,

Chakrabarty³

et al. 2017

PIER M

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“…Details are found in Kwon [86]. This is the total Φ P (ρ, φ, z) In order to perform the charge simulation method, a combination of finite element analysis and integral equation formulation was used to compute the potentials on the potential cylinder.…”

Section: Real Six-pole Motormentioning

confidence: 99%

Multipole Analysis of Circular Cylindircal Magnetic Systems

Selvaggi

2005

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“…In view of the importance of electrostatic modeling of space-craft bodies for the studies of electrostatic discharges (ESD) problems, the capacitance and charge distribution of metallic structures in the form of a conducting cylinder of finite axial length, truncated cone, rectangular plates, paraboloidal, spherical reflectors etc. were analyzed using MoM [2][3][4][5][6][7][8]. Electrostatic modeling of dielectric coated metallic bodies based on MoM has also been reported [9][10][11].…”

Section: Introductionmentioning

confidence: 99%

“…There may be a number of sets of basis and testing functions that may be selected for a particular type of problem, some sets may give faster convergence than others, or give easier evaluation of matrix, or give acceptable results with smaller matrix size etc.. The choice of pulse function as basis function and delta function as testing functions as reported by Harrington [1] and subsequently by others [2][3][4][5][6][7][8] makes easier evaluation of matrix elements, however, the convergence is very slow and in order to achieve higher accuracy, the numbers of sections have to be increased and sometimes the matrix becomes ill-conditioned. The other limitation of this set of basis and testing functions is that when the observation and source points are the same representing the diagonal elements, the integrand becomes singular and thus the diagonal elements have to be treated separately.…”

Section: Introductionmentioning

confidence: 99%

Investigation of Different Basis and Testing Functions in Method of Moments for Electrostatic Problems

Alad¹,

Chakrabarty²

2012

PIER B

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Abstract-This paper presents comparative studies on different types of basis and testing functions used in Method of Moments (MoM) in terms of analytical complexity, convergence and condition number of the co-efficient matrix when applied to electrostatic problem of evaluating capacitance and charge distribution of conducting bodies. A thin conducting cylinder of finite length has been taken as a representative case study to evaluate the capacitance and charge distribution. The basis and testing functions which have been studied for this problem are pulse-delta, pulse-pulse, triangulardelta, triangular-pulse and triangular-triangular functions respectively. Numerical data on capacitance and charge distribution has been presented for each set of basis and testing functions in terms of condition number and convergence.

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Electrostatic charge distribution and capacitance of isolated cylinders and truncated cones in free space

Cited by 20 publications

References 1 publication

Effect of Solar Illumination on Esd for Structure Used in Spacecraft

Effect of Solar Illumination on Esd for Structure Used in Spacecraft

Multipole Analysis of Circular Cylindircal Magnetic Systems

Investigation of Different Basis and Testing Functions in Method of Moments for Electrostatic Problems

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