{"id":49002,"date":"2025-12-07T15:04:02","date_gmt":"2025-12-07T15:04:02","guid":{"rendered":"https:\/\/idea.membrane.com\/songwriter\/?p=49002"},"modified":"2025-12-07T15:04:02","modified_gmt":"2025-12-07T15:04:02","slug":"permeability","status":"publish","type":"post","link":"https:\/\/kingarthur.com\/songwriter\/2025\/12\/07\/permeability\/","title":{"rendered":"Permeability"},"content":{"rendered":"<p><a href=\"http:\/\/kingarthur.com\/MegaEpix-Enormous\/multimedia\/XVIII\/Permeability-Best-Of.mp3\">Permeability-Best-Of.mp3<\/a><br \/>\n<a href=\"http:\/\/kingarthur.com\/MegaEpix-Enormous\/multimedia\/XVIII\/Permeability-Best-Of.mp4\">Permeability-Best-Of.mp4<\/a><br \/>\n<a href=\"http:\/\/kingarthur.com\/MegaEpix-Enormous\/multimedia\/XVIII\/Permeability.mp3\">Permeability.mp3<\/a><br \/>\n<a href=\"http:\/\/kingarthur.com\/MegaEpix-Enormous\/multimedia\/XVIII\/Permeability.mp4\">Permeability.mp4<\/a><br \/>\n<a href=\"http:\/\/kingarthur.com\/MegaEpix-Enormous\/multimedia\/XVIII\/Permeability-Animation-1.mp4\">Permeability-Animation-1.mp4<\/a><br \/>\n<a href=\"http:\/\/kingarthur.com\/MegaEpix-Enormous\/multimedia\/XVIII\/Permeability-Animation-2.mp4\">Permeability-Animation-2.mp4<\/a><br \/>\n<a href=\"http:\/\/kingarthur.com\/MegaEpix-Enormous\/multimedia\/XVIII\/Permeability-Best-Of.mp4\">Permeability-Best-Of.mp4<\/a><\/p>\n<p>[Intro]<br \/>\nPorosity<br \/>\n(Versus permeability)<br \/>\nFluid reality<\/p>\n<p>[Verse 1]<br \/>\nFluid dynamic<br \/>\n(Nature&#8217;s music)<br \/>\nThe ebb and flow<br \/>\n(Oh, you know, you know)<\/p>\n<p>[Bridge]<br \/>\nWhat&#8217;s our ability<br \/>\nPorosity<br \/>\n(Versus permeability)<\/p>\n<p>[Chorus]<br \/>\nFluid reality<br \/>\n(Pressure gradient)<br \/>\nPhysical geometry<br \/>\n(Capacity to transmit)<\/p>\n<p>[Verse 2]<br \/>\nIs man at our prime<br \/>\n(Of anthropic crime)<br \/>\nIt&#8217;s an empirical law<br \/>\n(After all&#8230;.)<\/p>\n<p>[Bridge]<br \/>\nWhat&#8217;s our ability<br \/>\nPorosity<br \/>\n(Versus permeability)<\/p>\n<p>[Chorus]<br \/>\nFluid reality<br \/>\n(Pressure gradient)<br \/>\nPhysical geometry<br \/>\n(Capacity to transmit)<\/p>\n<p>[Bridge]<br \/>\nWhat&#8217;s our ability<br \/>\nPorosity<br \/>\n(Versus permeability)<\/p>\n<p>[Outro]<br \/>\nFluid reality<br \/>\n(Pressure gradient)<br \/>\nPhysical geometry<br \/>\n(Capacity to transmit)<br \/>\nCan the knowledge flow<br \/>\n(Can the knowledge go)<br \/>\n&#8230; flow and go to know<br \/>\n(Seriously&#8230;)<br \/>\nWhat&#8217;s our permeability?<\/p>\n<p>ABOUT THE SCIENCE<br \/>\nPorosity vs. Permeability: These two terms are related but distinct.<br \/>\n* Porosity is the amount of empty space available.<br \/>\n* Permeability is a measure of how easily fluids can flow through those spaces (e.g., clay can be highly porous, but its tiny, disconnected pores give it very low permeability, trapping water).<\/p>\n<p>The physics of permeability center on fluid dynamics and the physical geometry of the material&#8217;s pore spaces. It is an intrinsic property that describes a porous material&#8217;s capacity to transmit a fluid under the influence of a pressure gradient.\u00a0The fundamental governing principle for fluid flow through porous media at low velocities is Darcy&#8217;s Law.<\/p>\n<p>Darcy&#8217;s Law: The Core Physics\u00a0Henry Darcy, a French engineer, formulated an empirical law in 1856 which established the relationship between flow rate and pressure drop through a sand filter. Darcy&#8217;s Law states that the volumetric flow rate (Q) is proportional to the pressure difference (Delta P) and the cross-sectional area (A), and inversely proportional to the fluid&#8217;s dynamic viscosity (mu) and the length of the flow path (L).<\/p>\n<p><strong>From the album &#8220;<a href=\"\/songwriter\/tag\/porous\/\">Porous<\/a>&#8220;<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Permeability-Best-Of.mp3 Permeability-Best-Of.mp4 Permeability.mp3 Permeability.mp4 Permeability-Animation-1.mp4 Permeability-Animation-2.mp4 Permeability-Best-Of.mp4 [Intro] Porosity (Versus permeability) Fluid reality [Verse 1] Fluid dynamic (Nature&#8217;s music) The ebb and flow (Oh, you know, you know) [Bridge] What&#8217;s our ability Porosity (Versus permeability) [Chorus] Fluid reality (Pressure gradient) Physical geometry (Capacity to transmit) [Verse 2] Is man at our prime (Of anthropic crime) [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[3,9,14],"tags":[4187],"class_list":["post-49002","post","type-post","status-publish","format-standard","hentry","category-4d-music","category-daniel","category-lyrics","tag-porous"],"_links":{"self":[{"href":"https:\/\/kingarthur.com\/songwriter\/wp-json\/wp\/v2\/posts\/49002","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kingarthur.com\/songwriter\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kingarthur.com\/songwriter\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kingarthur.com\/songwriter\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kingarthur.com\/songwriter\/wp-json\/wp\/v2\/comments?post=49002"}],"version-history":[{"count":2,"href":"https:\/\/kingarthur.com\/songwriter\/wp-json\/wp\/v2\/posts\/49002\/revisions"}],"predecessor-version":[{"id":49027,"href":"https:\/\/kingarthur.com\/songwriter\/wp-json\/wp\/v2\/posts\/49002\/revisions\/49027"}],"wp:attachment":[{"href":"https:\/\/kingarthur.com\/songwriter\/wp-json\/wp\/v2\/media?parent=49002"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kingarthur.com\/songwriter\/wp-json\/wp\/v2\/categories?post=49002"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kingarthur.com\/songwriter\/wp-json\/wp\/v2\/tags?post=49002"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}