Vpliv strukture grelne površine na izboljšan prenos toplote in kritično gostoto toplotnega toka pri vrenju : doktorsko delo

Faculty of Mechanical Engineering, Lj. (FSLJ)

Vpliv strukture grelne površine na izboljšan prenos toplote in kritično gostoto toplotnega toka pri vrenju : doktorsko delo

Ferjančič, Klemen

Rast cene energije in vse strožje zahteve pogojujejo učinkovito in ekološko sprejemljivo rabo energije. Mehurčkasto vrenje je najbolj učinkovit in hkrati tehnično obvladljiv mehanizem prenosa ... toplote. Izboljšati prenos toplote pri vrenju pomeni zmanjšati pregretje površine pri danem sproščanju gostote toplotnega toka in povečati kritično gostoto toplotnega toka, kar je možno doseči s spremembo mikro in nanostrukture ter omočljivosti vrelne površine. Vpliv strukture grelne površine na prenos toplote je pomemben parameter pri dimenzioniranju grelnikov. V delu je analiziran vpliv površine horizontalno postavljenega in vertikalno orientiranega grelnega traku, narejenega iz različnih vrst jekla in titana, na kritično gostoto toplotnega toka pri nasičenem in podhlajenem mehurčkastem vrenju v FC-72 ali H2O. Obravnavan je vpliv na kritično gostoto toplotnega toka različno povzročenega strukturiranja grelne površine, ki je bila brušena, jedkana, lasersko strukturirana ali pa obdelana s tankoslojnimi in z modularnimi poroznimi nanosi v obliki grozdnate strukture iz 50 in 200 m sferičnih bakrenih delcev. Prikazane so tudi strukturne površinske spremembe grelne površine po doseženi kritični gostoti toplotnega toka pri mehurčkastem vrenju.

Type of material - dissertation ; adult, serious

Publication and manufacture - Ljubljana : [K. Ferjančič], 2022

Language - slovenian

COBISS.SI-ID - 129047299

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Dr FERJANČIČ K. Vpliv IN: 00061307	available - reading room

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Year	Impact factor		Edition		Category		Classification
Year	JCR	SNIP	JCR	SNIP	JCR	SNIP	JCR	SNIP

Links to authors' personal bibliographies	Links to information on researchers in the SICRIS system
Ferjančič, Klemen	19412
Golobič, Iztok	05566

Source: Personal bibliographies and: SICRIS

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