{"product_id":"reynolds-dye-streak-plate-006-physics-poster","title":"Reynolds' Dye Streak – Plate 006 Physics Poster","description":"\u003cp\u003ePlate 6 speaks for itself: \u003cem\u003e“Same water. Faster. Then chaos.”\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eThe Physics\u003c\/h3\u003e\u003cp\u003eReynolds injected a thin dye streak into water flowing through a glass tube. At low speed the streak stayed straight (laminar); past a critical value of one dimensionless number it broke up into eddies (turbulent).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRe = ρ u D \/ μ\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRe: Reynolds number, dimensionless\u003c\/li\u003e\n\u003cli\u003eρ: fluid density, kg m⁻³\u003c\/li\u003e\n\u003cli\u003eu: mean flow speed, m s⁻¹\u003c\/li\u003e\n\u003cli\u003eD: pipe diameter, m\u003c\/li\u003e\n\u003cli\u003eμ: dynamic viscosity, Pa s\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eLower critical value ≈ 2000; engineering onset ≈ 2300. Manchester, 1883.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eHonest caveat:\u003c\/em\u003e Transition is not a sharp line: with very smooth inlets laminar flow has been kept far above 2000.\u003c\/p\u003e\u003ch3\u003eSources\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eO. Reynolds, Phil. Trans. R. Soc. 174, 935 (1883).\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eOn the poster\u003c\/h3\u003e\u003cp\u003ePlate 006, “Reynolds' Dye Streak”: the pixel-art plate with its slogan “Same water. Faster. Then chaos.”, the key equation and the facts panel shown above. Pixelated Physics. Physics. Personified.\u003c\/p\u003e","brand":"Printify","offers":[{"title":"9'' x 12\" (Vertical) \/ Matte","offer_id":50961484513383,"sku":"22655383406502279091","price":19.99,"currency_code":"USD","in_stock":true},{"title":"9'' x 12\" (Vertical) \/ Fine Art","offer_id":50961484546151,"sku":"15134149145496203411","price":29.99,"currency_code":"USD","in_stock":true},{"title":"9'' x 12\" (Vertical) \/ Semi Glossy","offer_id":50961484578919,"sku":"27556808002183991532","price":19.99,"currency_code":"USD","in_stock":true},{"title":"18″ x 24″ (Vertical) \/ Fine Art","offer_id":50961484611687,"sku":"15634426065217253615","price":44.99,"currency_code":"USD","in_stock":true},{"title":"18″ x 24″ (Vertical) \/ Semi Glossy","offer_id":50961484644455,"sku":"25409870234381075864","price":29.99,"currency_code":"USD","in_stock":true},{"title":"18″ x 24″ (Vertical) \/ Matte","offer_id":50961484677223,"sku":"10656136831318029127","price":29.99,"currency_code":"USD","in_stock":true},{"title":"36'' x 48\" (Vertical) \/ Matte","offer_id":50961484709991,"sku":"25052165348210901592","price":69.99,"currency_code":"USD","in_stock":true},{"title":"36'' x 48\" (Vertical) \/ Fine Art","offer_id":50961484742759,"sku":"41594932992958172670","price":119.99,"currency_code":"USD","in_stock":true},{"title":"36'' x 48\" (Vertical) \/ Semi Glossy","offer_id":50961484775527,"sku":"28498057057588544760","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/8746\/9159\/files\/13762568562553862320_2048.jpg?v=1793631980","url":"https:\/\/pixelatedphysics.com\/nl\/products\/reynolds-dye-streak-plate-006-physics-poster","provider":"Pixelated Physics","version":"1.0","type":"link"}