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Update magloop.html 

Changed getInductance() function to use Nagaoka correction for multi-turn loops.
pull/2/head
miguel 2021-08-31 21:23:56 +10:00
rodzic 2baeb5bcf3
commit 31fb346817
1 zmienionych plików z 24 dodań i 3 usunięć
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magloop.html
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@ -17,11 +17,11 @@
<div class="slider_container">
<div class="sliders">
<label for="conductor_diameter_slider">&#8960a:</label>
<input type="range" id="conductor_diameter_slider" min="5" max="40" value="19" step="0.2">
<input type="range" id="conductor_diameter_slider" min="5" max="40" value="19" step="0.5">
</div>
<div class="sliders">
<label for="loop_diameter_slider">&#8960b:</label>
<input type="range" id="loop_diameter_slider" min="0.2" max="4.0" value="1.0" step="0.02">
<input type="range" id="loop_diameter_slider" min="0.2" max="5.0" value="1.0" step="0.01">
</div>
<div class="sliders">
<label for="loop_turns_slider">N:</label>
@ -33,7 +33,7 @@
</div>
<div class="sliders">
<label for="transmit_power_slider">Tx:</label>
<input type="range" id="transmit_power_slider" min="5" max="1500" value="400" step="5">
<input type="range" id="transmit_power_slider" min="5" max="1500" value="100" step="5">
</div>
<div class="radios">
<label>Metric</label>
@ -133,6 +133,7 @@
// Update the frequencies, now that we have the sliders available:
updateFrequencies();
/*
function getInductance() {
const a_coil_radius = loop_diameter_slider.value * 0.5;
const b_conductor_radius = conductor_diameter_slider.value * 0.0005;
@ -141,6 +142,26 @@
var retval = (n_turns ** 2.0) * mu0 * a_coil_radius * (Math.log(8.0 * a_coil_radius / b_conductor_radius) - 2.0);
return retval;
}
*/
function getInductance() {
const mu0 = Math.PI * 4e-7;
const loop_diameter_meters = loop_diameter_slider.value;
const cond_diameter_meters = conductor_diameter_slider.value * 1e-3;
const spacing_ratio = loop_spacing_slider.value;
const loop_turns = loop_turns_slider.value;
const a_coil_radius = loop_diameter_meters * 0.5;
const coil_length = cond_diameter_meters * spacing_ratio * loop_turns;
var retval = 0.0;
if(loop_turns > 1) {
retval = (loop_turns**2.0) * mu0 * Math.PI * (a_coil_radius**2.0) * nagaokaCoefficient() / coil_length;
} else {
const b_conductor_radius = cond_diameter_meters * 0.5;
retval = (loop_turns ** 2.0) * mu0 * a_coil_radius * (Math.log(8.0 * a_coil_radius / b_conductor_radius) - 2.0);
}
return retval; // In Henries
}
function radiationResistance(frequency) {
const n_turns = loop_turns_slider.value;