Pract 06 - 2021. Convec - Libre - Calor

 

NXCJU LH R]JE\CEJU

=2=:

R]JE\CEJ 2?. EAD_HEECÕD KCM]H A DJ\X]JK C. 

CD\]ALXEECAD Hd hstj sheecõd eadsclhrjfas kj eadvheecõd djturjk, hd kj quh eujkquchr favcfchdta lhk okucla aeurrh par fhlcas djturjkhs, eafa kj okatjmckcljl. Hd kj eadvheecõd oarzjlj hk favcfchdta lhk okucla sh puhlh datjr mjstjdth, puhsta quh ud vhdtckjlar a udj mafmj puhlhd trjdsohrcr suocechdth ejdtcljl lh favcfchdta jk okucla pjrj lhspkjzjrka hd echrtj lcrheecõd. Ucd hfmjrna, hd kj eadvheecõd djturjk j fhdula da sh puhlh datjr hk favcfchdta lhk okucla lhmcla j kjs mj`js vhkaecljlhs quh cdthrvchdhd. Hk eahocechdth lh trjdsohrhdecj lh ejkar par eadvheecõd lhphdlh mjstjdth lh kj vhkaecljl0 hdtrh h dtrh fês jktj shj ãstj fês jkta hs hk eahocechdth. Kjs vhkaecljlhs lhk okucla jsaecjljs ead kj eadvheecõd djturjk sad mj`js, par ka eafðd fhdarhs j : f/s. Rar ka tjdta, kas eahocechdths lh trjdsohrhdecj lh ejkar quh sh hdeuhdtrjd hd kj eadvheecõd djturjk suhkhd shr fuega fês mj`as mj `as quh kas gjkkjlas hd kj k j eadvheecõd oarzjlj. Ucd hfmjrna, vjrcas tcpas lh hqucpa lh trjdsohrhdecj lh ejkar hstêd lcshújlas pjrj aphrjr hd eadlcecadhs lh eadvheecõd djturjk parquh hd hkkj da sh rhquchrh hk usa lh jkna quh fuhvj jk okucla.

CC.  AM@H\C_AU  

]hsakvhr h`hrececas jpkcejdla kj tharæj jlqucrclj lh kj \rjdsohrhdecj lh ejkar par eadvheecõd kcmrh hd pkjejs pkjdjs, eckcdlras, hsohrjs y hd rhecdtas ehrrjlas.

CCC.  OXDLJFHD\A \HA]CEA 5.: Dðfhra lh Nrjsgao Hk dðfhra lh Nrjsgao, hk eujk tjfmcãd hs jlcfhdscadjk y rhprhshdtj kj rjzõd hdtrh kj ouhrzj lh hfpu`h y kj ouhrzj vcseasj quh jetðjd samrh hk okucla, rcnh hk rãncfhd lh oku`a hd kj eadvheecõd djturjk.

Hd ladlh0 n 6 jehkhrjecõd nrjvctjecadjk, f/s=   6 eahocechdth lh hxpjdscõd vakufãtrcej, :/I ( 6 :/) pjrj kas njshs clhjkhs)   6 thfphrjturj lh kj suphrocech, ²E   6 thfphrjturj lhk okucla suocechdthfhdth kh`as lh kj suphrocech Ke 6 kadnctul ejrjethræstcej lh kj eadocnurjecõd nhafãtrcej, f  6 vcseascljl ecdhfêtcej lhk okucla, f=/s

5.= Eadvheecõd djturjk samrh suphrocechs

OHDAFHDAU LH \]JDUOH]HDECJ

Rêncdj M\X/g.