Ol isu bilong luksave long ol plet hat eksenja

Apr 10, 2025 Larim wanpela toksave

Kain plet o kain i gat koroget i mas kamap bihainim ol nid tru bilong taim bilong senisim hat. Long bikpela flo na liklik presa drop i ken kamap, wanpela plet taip i gat liklik resistens i mas makim, na vice versa. Faenemaot sapos yu mas jusum wan kaen we yu save karemaot o wan kaen braz folem presa blong wota mo tempereja. Taem yu stap faenemaot taep blong plet, i no gud blong jusum wan plet we i gat wan smol plet nomo, blong mekem se i no gat tumas plet, i no gat tumas flo velositi bitwin ol plet, mo i no gat tumas hat transfer koefisen. Dispela hevi i mas kisim moa luksave long ol bikpela hat eksenja.
Flo i makim wanpela grup bilong ol paralel flo senel long wankain flo daireksen bilong wanpela medium insait long plet hit eksenja, na flo senel i makim medium flo senel i gat tupela plet i stap klostu long plet hit eksenja. Long jenerol, sam flow senel oli konektem long paralel o long series blong fomem ol difren kombinesen blong ol kolkol mo hot medium senel.
Kombinesn bilong ol flo i mas kamap bihainim hat eksens na fluid resistens kalkulesen na aninit long ol kondisen bilong ol kondisen proses kondisen. Traim long mekim ol koefisen bilong konveksen hit trensfe i go insait long ol kol na hat wara flow senel i wankain o klostu long narapela narapela long kisim gutpela hat trensfe ifek. Bikos hat trensfe koefisen i kisim bikpela veliu taim konveksen hit trensfer koefisen long tupela sait bilong hat trensfe pes i wankain o klostu. Nomata we flow rate bitwin ol plet blong plet hit eksenja i no ikwol, averes flo reit oli yusum yet blong kalkuletem hit eksenj mo wota resistens. From se ol play blong "U"-} we oli shepim ol singgel oli olsem ol paep we oli stap long plet blong klemem, oli isi blong disassemble mo assemblem.
Long disain na seleksen bilong ol plet hit eksenja, i gat sampela samting i mas kamap bilong daunim presa, olsem na ol i mas sekim. Sapos presa drop we oli jekem i bitim drop blong presa we i save alawem, disaen seleksen kalkulesen i nid blong re--i wok kasem taem we ol proses rikwaemen oli kamtru.

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