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| //[[user/Stan Zurek]], Approximation of Grover's T(x) function - auxiliary data, Encyclopedia Magnetica//, \\ @PAGEL@, {accessed: @YEAR@-@MONTH@-@DAY@} |

|< 100% >|
| {{/wiki/logo.png?20&nolink}} //Go back to: [[/calculator/inductance_of_straight_round_wire_vs_frequency|Calculator of inductance of a straight round wire with frequency effects]].// |


^  [1] [[https://isbnsearch.org/isbn/0876645570|Frederick W. Grover, Inductance Calculations: Working Formulas and Tables, ISA, New York, 1982, ISBN 0876645570]] \\ [2] [[https://isbnsearch.org/isbn/0890064369|B.C. Wadell, Transmission Line Design Handbook, Artech House, Norwood, 1991, ISBN 0890064369]]  ^^^^
^  Table 52 in [1]  ^^^^
^  x  ^  T(x)  ^  approx. by Wadell [2] \\ T<sub>W</sub>(x) = \\ √[ (0.873011+0.00186128*x) / (1-0.278381*x+0.127964*x<sup>2</sup>) ]  ^  Wadell's approx. Wadell with [[/user/Stan Zurek|Zurek]]'s correction \\ T<sub>W,Z</sub>(x) = T<sub>W</sub>(x) + 0.06/(x+1)<sup>6</sup> \\ (published here only)  ^
|  0    |  1.0000  |  0.9344  |  0.9944  |
|  0.5  |  0.9998  |  0.9894  |  0.9946  |
|  0.6  |  0.9997  |  0.9972  |  1.0008  |
|  0.8  |  0.9989  |  1.0089  |  1.0106  |
|  1    |  0.9974  |  1.0148  |  1.0157  |
|  1.5  |  0.9871  |  1.0031  |  1.0034  |
|  2    |  0.9611  |  0.9581  |  0.9582  |
|  3    |  0.8452  |  0.8169  |  0.8169  |
|  4    |  0.6863  |  0.6747  |  0.6747  |
|  5    |  0.5560  |  0.5606  |  0.5606  |
|  10   |  0.2816  |  0.2845  |  0.2845  |
|  15   |  0.1947  |  0.1875  |  0.1875  |
|  20   |  0.1413  |  0.1397  |  0.1397  |
|  50   |  0.0566  |  0.0561  |  0.0561  |
|  80   |  0.0354  |  0.0358  |  0.0358  |
|  100  |  0.0283  |  0.0291  |  0.0291  |

Additional note: The following online calculators were useful for comparing the calculated results:
  * CHEMANDY ELECTRONICS, Round Wire Inductance Calculator, https://chemandy.com/calculators/round-wire-inductance-calculator.htm {accessed 2025-01-12}
  * Hosoda Takayuki, Inductance of a straight conductor of circular section, http://www.finetune.co.jp/~lyuka/technote/inductor/inductor-straight-circular.html {accessed 2024-01-12}

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