444 lines
14 KiB
HTML
444 lines
14 KiB
HTML
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Thermal Expansion Calculator | Chadwick Warner</title>
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<style>
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:root {
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--bg: #0a0a0a;
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--muted: #888888;
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--border: #2a2a2a;
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--success: #4ade80;
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--danger: #f87171;
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}
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* { box-sizing: border-box; margin: 0; padding: 0; }
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body {
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font-family: 'SF Mono', 'Menlo', monospace;
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background: var(--bg);
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color: var(--text);
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line-height: 1.6;
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min-height: 100vh;
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padding: 2rem 1rem;
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}
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.container {
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max-width: 900px;
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margin: 0 auto;
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display: grid;
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border-bottom: 1px solid var(--border);
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h1 {
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}
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.subtitle {
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border-radius: 8px;
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padding: 1.5rem;
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}
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.card h2 {
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font-size: 1.1rem;
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color: var(--primary);
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margin-bottom: 1rem;
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display: flex;
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align-items: center;
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gap: 0.5rem;
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}
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.control-group {
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display: grid;
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grid-template-columns: 1fr 1fr;
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gap: 1rem;
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margin-bottom: 1.5rem;
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}
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label {
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display: block;
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font-size: 0.85rem;
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color: var(--muted);
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margin-bottom: 0.5rem;
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}
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input[type="range"] {
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width: 100%;
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height: 4px;
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background: var(--border);
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outline: none;
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appearance: none;
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input[type="range"]::-webkit-slider-thumb {
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appearance: none;
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width: 18px;
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background: var(--primary);
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border-radius: 50%;
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cursor: pointer;
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}
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select {
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width: 100%;
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padding: 0.75rem;
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background: var(--bg);
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border: 1px solid var(--border);
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color: var(--text);
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font-family: inherit;
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font-size: 0.9rem;
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.value-display {
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font-size: 1.25rem;
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.result-grid {
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display: grid;
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grid-template-columns: repeat(3, 1fr);
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margin-top: 1.5rem;
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}
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.result-box {
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background: var(--bg);
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border: 1px solid var(--border);
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border-radius: 6px;
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padding: 1rem;
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text-align: center;
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}
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.result-label {
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font-size: 0.75rem;
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color: var(--muted);
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text-transform: uppercase;
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letter-spacing: 0.05em;
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margin-bottom: 0.5rem;
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.result-value {
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font-size: 1.5rem;
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.result-unit {
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font-size: 0.9rem;
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color: var(--muted);
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.alert {
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padding: 1rem;
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border-radius: 6px;
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margin-top: 1rem;
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font-size: 0.9rem;
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display: none;
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}
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.alert.active { display: block; }
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.alert.danger {
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background: rgba(248, 113, 113, 0.1);
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border: 1px solid var(--danger);
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color: var(--danger);
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}
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.alert.success {
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background: rgba(74, 222, 128, 0.1);
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border: 1px solid var(--success);
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color: var(--success);
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}
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.image-frame {
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position: relative;
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margin: 2rem 0;
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border-radius: 8px;
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overflow: hidden;
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border: 1px solid var(--border);
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}
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.image-frame img {
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width: 100%;
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height: auto;
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display: block;
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}
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.caption {
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position: absolute;
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bottom: 0;
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left: 0;
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right: 0;
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background: linear-gradient(transparent, rgba(0,0,0,0.9));
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color: var(--text);
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padding: 1rem;
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font-size: 0.8rem;
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}
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.formula {
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background: var(--bg);
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border-left: 3px solid var(--primary);
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padding: 1.5rem;
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margin: 2rem 0;
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font-family: 'SF Mono', monospace;
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font-size: 1.1rem;
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line-height: 1.8;
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}
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.citation-links {
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margin-top: 2rem;
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padding-top: 1rem;
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border-top: 1px dashed var(--border);
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display: flex;
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flex-wrap: wrap;
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gap: 1rem;
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}
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.citation-links a {
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color: var(--primary);
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font-size: 0.8rem;
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text-decoration: none;
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border: 1px solid var(--border);
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padding: 0.5rem 1rem;
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border-radius: 4px;
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transition: all 0.2s;
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}
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.citation-links a:hover {
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background: var(--primary);
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color: var(--bg);
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border-color: var(--primary);
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}
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.nav-links {
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display: flex;
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gap: 1.5rem;
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margin-top: 1rem;
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font-size: 0.85rem;
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}
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.nav-links a {
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color: var(--muted);
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text-decoration: none;
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}
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.nav-links a:hover {
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color: var(--primary);
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}
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@media (max-width: 600px) {
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.control-group { grid-template-columns: 1fr; }
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.result-grid { grid-template-columns: 1fr; }
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}
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</style>
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<script defer src="https://analytics.4ort.xyz/script.js" data-website-id="d3ed927c-888a-4a6c-ae5f-0b1c613ddf5b"></script>
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</head>
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<body>
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<div class="container">
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<header>
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<h1><span class="accent">ΔL</span> = α × L₀ × ΔT</h1>
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<p class="subtitle">
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Thermal expansion calculator for aerospace-grade alloys.
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In the vacuum, a 0.002-inch misalignment isn't art—it's a breach.
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</p>
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<nav class="nav-links">
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<a href="/">← Home</a>
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<a href="/scrap-log.html">Scrap Log</a>
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<a href="/tolerances.html">Tolerance Stack-Up</a>
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</nav>
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</header>
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<section class="card">
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<h2>⚙️ Material Selection</h2>
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<div class="control-group">
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<div>
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<label for="material">Alloy</label>
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<select id="material">
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<option value="6061">Aluminium 6061-T6</option>
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<option value="titanium">Titanium Ti-6Al-4V</option>
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<option value="316ss">Stainless Steel 316L</option>
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<option value="inconel">Inconel 718</option>
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<option value="carbon">Carbon Fiber (0°)</option>
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</select>
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</div>
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<div>
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<label for="alpha">α (×10⁻⁶/K)</label>
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<div class="value-display" id="alpha-display">23.6</div>
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</div>
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</div>
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</section>
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<section class="card">
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<h2>📐 Initial Dimensions</h2>
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<div class="control-group">
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<div>
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<label for="length">Initial Length (mm)</label>
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<input type="range" id="length" min="10" max="5000" value="500">
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<div class="value-display"><span id="length-value">500</span> mm</div>
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</div>
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<div>
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<label for="delta-t">Temperature Delta (K)</label>
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<input type="range" id="delta-t" min="-273" max="1500" value="300">
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<div class="value-display"><span id="dt-value">+300</span> K</div>
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</div>
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</div>
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</section>
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<section class="card">
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<h2>🎯 Results</h2>
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<div class="result-grid">
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<div class="result-box">
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<div class="result-label">Expansion</div>
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<div class="result-value" id="dl-mm">3.54</div>
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<div class="result-unit">mm</div>
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</div>
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<div class="result-box">
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<div class="result-label">Microns</div>
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<div class="result-value" id="dl-microns">3540</div>
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<div class="result-unit">μm</div>
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</div>
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<div class="result-box">
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<div class="result-label">Tolerance Check</div>
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<div class="result-value" id="tol-status" style="color: var(--success)">PASS</div>
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<div class="result-unit">@ ±0.05mm</div>
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</div>
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</div>
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<div id="alert-danger" class="alert danger">
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⚠️ EXPANSION EXCEEDS TOLERANCE BAND<br>
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<small>Current: <span id="overage-val">0</span>μm | Limit: 50μm</small>
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</div>
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<div id="alert-success" class="alert success">
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✓ Within Spec<br>
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<small>Marginal clearance: <span id="clearance-val">0</span>μm</small>
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</div>
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</section>
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<div class="image-frame">
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<img src="https://images-assets.nasa.gov/image/KSC-98pc620/KSC-98pc620~medium.jpg" alt="NASA Kennedy Space Center machined component">
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<div class="caption">
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KSC-98pc620 • Kennedy Space Center • Public Domain<br>
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Every micron counts when the atmosphere drops away.
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</div>
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</div>
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<section class="formula">
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<strong>The Equation:</strong><br>
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ΔL = α × L₀ × ΔT<br><br>
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Where:<br>
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• ΔL = Change in length (mm)<br>
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• α = Coefficient of thermal expansion (×10⁻⁶/K)<br>
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• L₀ = Initial length (mm)<br>
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• ΔT = Temperature difference (K)<br><br>
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<small>Citation: Wikidata Q45760 — coefficient of thermal expansion</small>
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</section>
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<section class="card">
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<h2>🔬 Constants Database</h2>
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<table style="width:100%; border-collapse: collapse; font-size: 0.85rem;">
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<thead>
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<tr style="border-bottom: 1px solid var(--border);">
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<th style="text-align:left; padding: 0.5rem;">Alloy</th>
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<th style="text-align:right; padding: 0.5rem;">α (×10⁻⁶/K)</th>
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<th style="text-align:left; padding: .5rem;">Source</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td style="padding: 0.5rem;">Aluminium 6061-T6</td>
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<td style="text-align:right; padding: 0.5rem;">23.6</td>
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<td style="padding: 0.5rem;"><a href="https://4ort.xyz/entity/aluminium-alloy" target="_blank" style="color:var(--primary);">Q447725</a></td>
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|||
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</tr>
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<tr>
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<td style="padding: 0.5rem;">Titanium Ti-6Al-4V</td>
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<td style="text-align:right; padding: 0.5rem;">8.6</td>
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<td style="padding: 0.5rem;"><a href="https://4ort.xyz/entity/titanium-based-alloy" target="_blank" style="color:var(--primary);">Q3300719</a></td>
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</tr>
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<tr>
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<td style="padding: 0.5rem;">Stainless Steel 316L</td>
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<td style="text-align:right; padding: 0.5rem;">16.0</td>
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<td style="padding: 0.5rem;"><a href="https://4ort.xyz/entity/stainless-steel" target="_blank" style="color:var(--primary);">Q447725</a></td>
|
|||
|
|
</tr>
|
|||
|
|
<tr>
|
|||
|
|
<td style="padding: 0.5rem;">Inconel 718</td>
|
|||
|
|
<td style="text-align:right; padding: 0.5rem;">13.0</td>
|
|||
|
|
<td style="padding: 0.5rem;">ASM Handbook Vol 1</td>
|
|||
|
|
</tr>
|
|||
|
|
<tr>
|
|||
|
|
<td style="padding: 0.5rem;">Carbon Fiber (0°)</td>
|
|||
|
|
<td style="text-align:right; padding: 0.5rem;">-1.5</td>
|
|||
|
|
<td style="padding: 0.5rem;">Hexcel Design Data</td>
|
|||
|
|
</tr>
|
|||
|
|
</tbody>
|
|||
|
|
</table>
|
|||
|
|
<div class="citation-links">
|
|||
|
|
<a href="https://4ort.xyz/entity/coefficient-of-thermal-expansion" target="_blank">Q45760: CTE Definition</a>
|
|||
|
|
<a href="https://4ort.xyz/entity/aluminium-alloy" target="_blank">Q447725: Aluminium Alloys</a>
|
|||
|
|
<a href="https://4ort.xyz/entity/titanium-based-alloy" target="_blank">Q3300719: Titanium Alloys</a>
|
|||
|
|
<a href="https://4ort.xyz/entity/stainless-steel" target="_blank">Stainless Steel Entity</a>
|
|||
|
|
</div>
|
|||
|
|
</section>
|
|||
|
|
|
|||
|
|
<footer style="margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--border); color: var(--muted); font-size: 0.8rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;">
|
|||
|
|
<div>Built by Chadwick Warner • Los Angeles Shop Floor</div>
|
|||
|
|
<div><a href="/thermal-expansion-data.json" style="color: var(--primary);">Download Constants (.json)</a></div>
|
|||
|
|
</footer>
|
|||
|
|
</div>
|
|||
|
|
|
|||
|
|
<script>
|
|||
|
|
const CONSTANTS = {
|
|||
|
|
"6061": { alpha: 23.6, name: "Aluminium 6061-T6" },
|
|||
|
|
"titanium": { alpha: 8.6, name: "Titanium Ti-6Al-4V" },
|
|||
|
|
"316ss": { alpha: 16.0, name: "Stainless Steel 316L" },
|
|||
|
|
"inconel": { alpha: 13.0, name: "Inconel 718" },
|
|||
|
|
"carbon": { alpha: -1.5, name: "Carbon Fiber (0°)" }
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
const TOLERANCE_BAND_MICRONS = 50; // ±0.05mm = 50μm
|
|||
|
|
|
|||
|
|
const materialSelect = document.getElementById('material');
|
|||
|
|
const alphaDisplay = document.getElementById('alpha-display');
|
|||
|
|
const lengthSlider = document.getElementById('length');
|
|||
|
|
const lengthValue = document.getElementById('length-value');
|
|||
|
|
const dtSlider = document.getElementById('delta-t');
|
|||
|
|
const dtValue = document.getElementById('dt-value');
|
|||
|
|
const dlMm = document.getElementById('dl-mm');
|
|||
|
|
const dlMicrons = document.getElementById('dl-microns');
|
|||
|
|
const tolStatus = document.getElementById('tol-status');
|
|||
|
|
const alertDanger = document.getElementById('alert-danger');
|
|||
|
|
const alertSuccess = document.getElementById('alert-success');
|
|||
|
|
const overageVal = document.getElementById('overage-val');
|
|||
|
|
const clearanceVal = document.getElementById('clearance-val');
|
|||
|
|
|
|||
|
|
function calculate() {
|
|||
|
|
const mat = materialSelect.value;
|
|||
|
|
const L0 = parseFloat(lengthSlider.value);
|
|||
|
|
const dT = parseFloat(dtSlider.value);
|
|||
|
|
const alpha = CONSTANTS[mat].alpha;
|
|||
|
|
|
|||
|
|
alphaDisplay.textContent = alpha.toFixed(1);
|
|||
|
|
lengthValue.textContent = L0;
|
|||
|
|
dtValue.textContent = (dT >= 0 ? '+' : '') + dT;
|
|||
|
|
|
|||
|
|
const dL_microns = alpha * L0 * dT;
|
|||
|
|
const dL_mm = dL_microns / 1000;
|
|||
|
|
|
|||
|
|
dlMm.textContent = dL_mm.toFixed(3);
|
|||
|
|
dlMicrons.textContent = Math.abs(Math.round(dL_microns));
|
|||
|
|
|
|||
|
|
const absExpansion = Math.abs(dL_microns);
|
|||
|
|
|
|||
|
|
if (absExpansion > TOLERANCE_BAND_MICRONS) {
|
|||
|
|
tolStatus.textContent = "FAIL";
|
|||
|
|
tolStatus.style.color = "var(--danger)";
|
|||
|
|
alertDanger.classList.add('active');
|
|||
|
|
alertSuccess.classList.remove('active');
|
|||
|
|
overageVal.textContent = Math.round(absExpansion - TOLERANCE_BAND_MICRONS);
|
|||
|
|
} else {
|
|||
|
|
tolStatus.textContent = "PASS";
|
|||
|
|
tolStatus.style.color = "var(--success)";
|
|||
|
|
alertSuccess.classList.add('active');
|
|||
|
|
alertDanger.classList.remove('active');
|
|||
|
|
clearanceVal.textContent = Math.round(TOLERANCE_BAND_MICRONS - absExpansion);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
materialSelect.addEventListener('change', calculate);
|
|||
|
|
lengthSlider.addEventListener('input', calculate);
|
|||
|
|
dtSlider.addEventListener('input', calculate);
|
|||
|
|
|
|||
|
|
calculate();
|
|||
|
|
</script>
|
|||
|
|
</body>
|
|||
|
|
</html>
|