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calculator:helmholtz_coil_inductance_simple

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calculator:helmholtz_coil_inductance_simple [2025/01/15 16:02] stan_zurekcalculator:helmholtz_coil_inductance_simple [2025/01/19 00:45] (current) stan_zurek
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 <box 100% #efffef> <box 100% #efffef>
-|< 100% 2080% >| +|< 100% 1090% >| 
-|  {{/calculator/icon_calc.png?45&nolink}} \\ //This section is an interactive calculator//  | //[[user/Stan Zurek]], Calculator of Helmholtz coil inductance - simplified, Encyclopedia Magnetica//, \\ https://www.e-magnetica.pl/doku.php/calculator/helmholtz_coil_inductance_simple, {accessed: @YEAR@-@MONTH@-@DAY@}   | +|  {{/calculator/icon_calc.png?60&nolink}}  | //[[user/Stan Zurek]], Calculator of Helmholtz coil inductance - simplified, Encyclopedia Magnetica//, \\ https://www.e-magnetica.pl/doku.php/calculator/helmholtz_coil_inductance_simple, {accessed: @YEAR@-@MONTH@-@DAY@}   | 
-| ::: |  {{/wiki/logo.png?20&nolink}} //See more: [[/Calculators of inductance]]//  |+|  {{/wiki/logo.png?20&nolink}} //See more: [[/Calculators of inductance]]//  ||
 </box> </box>
  
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 <WRAP lo> <WRAP lo>
-^   Approximate inductance of Helmholtz coil (two halves connected in series)  ^^ +^   Approximate inductance of Helmholtz coil (two halves connected in series)  ^^^ 
-|  $$ L \approx 2 · π· \left( \frac{4}{5} \right)^{3/2} · μ_0 · r · N_{half}^2  $$  |  (H)  | +| //Source: [1] [[https://isbnsearch.org/isbn/9789813347816|Yuan Jiang, Qing Li, Vacuum Circuit Breaker for Aviation Variable Frequency Power System, Theory and Application of Arc in Electrical Apparatus, Springer Nature, 2021, ISBN 9789813347816]]//  ||| 
-| where: $N_{half}$ - number of turns in each half-coil (unitless), $r$ - radius of the coils (m) measured to the centre of the bunch of wires, $μ_0$ - [[/permeability of vacuum]] (H/m)  |+|  //[1], eq. (2.8), p. 38//  |  $$ L \approx 2 · π· \left( \frac{4}{5} \right)^{3/2} · μ_0 · r · N_{half}^2  $$  |  (H)  | 
-| //source: [[https://isbnsearch.org/isbn/9789813347816|Yuan Jiang, Qing Li, Vacuum Circuit Breaker for Aviation Variable Frequency Power System, Theory and Application of Arc in Electrical Apparatus, Springer Nature, 2021, ISBN 9789813347816]]//  ||+| where: $N_{half}$ - number of turns in each half-coil (unitless), $r$ - radius of the coils (m) measured to the centre of the bunch of wires, $μ_0$ - [[/permeability of vacuum]] (H/m)  |||
 </WRAP> </WRAP>
  
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 <input type="button" name="Button" value="== Calculate ==" onClick="calculate_function2(this.form)"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  <input type="button" name="Button" value="== Calculate ==" onClick="calculate_function2(this.form)"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
 +
 +<br><br>
  
 <b><i>Helmholtz coil inductance L</i></b> = <input type="text" name="result2" size="10" maxlength="10">  <b><i>Helmholtz coil inductance L</i></b> = <input type="text" name="result2" size="10" maxlength="10"> 
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            <OPTION value="1e3" selected="selected">(mH)</OPTION>            <OPTION value="1e3" selected="selected">(mH)</OPTION>
            <OPTION value="1e6">(μH)</OPTION>            <OPTION value="1e6">(μH)</OPTION>
-        </SELECT><br>+        </SELECT> (two halves in series)
  
  </form>  </form>
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 <!-- ==================== calculator ends here ============== --> <!-- ==================== calculator ends here ============== -->
 </HTML> </HTML>
- \\  
  
 //Note: The equation ignores the size/diameter of the wire bunches in each coil and therefore gives only an approximate value (an order of magnitude).// //Note: The equation ignores the size/diameter of the wire bunches in each coil and therefore gives only an approximate value (an order of magnitude).//
  
  
-<box 100% #efffef> +<box 100% #efffef></box> 
----- +{{page>insert/paypal}} 
-</box>+
 {{tag>Calculators Helmholtz_coil Inductance}} {{tag>Calculators Helmholtz_coil Inductance}}
calculator/helmholtz_coil_inductance_simple.1736953321.txt.gz · Last modified: 2025/01/15 16:02 by stan_zurek

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