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kozmoforum.hu Tudományos és ismeretterjesztő beszélgetések az Életről, a Világmindenségről, meg Mindenről. 2018-02-04T21:33:01+02:00 https://www.teszt.kozmoforum.hu/feed.php?f=9&t=328 2018-02-04T21:33:01+02:00 2018-02-04T21:33:01+02:00 https://www.teszt.kozmoforum.hu/viewtopic.php?t=328&p=15111#p15111 <![CDATA[Re: Viccelődünk? Viccelődünk?]]> Statisztika: Elküldve Szerző: dgy — 2018.02.04. 21:33

]]> 2018-02-04T16:42:49+02:00 2018-02-04T16:42:49+02:00 https://www.teszt.kozmoforum.hu/viewtopic.php?t=328&p=15101#p15101 <![CDATA[Re: Viccelődünk? Viccelődünk?]]> Statisztika: Elküldve Szerző: takacs.ferenc.bp — 2018.02.04. 16:42

]]> 2018-02-04T13:36:39+02:00 2018-02-04T13:36:39+02:00 https://www.teszt.kozmoforum.hu/viewtopic.php?t=328&p=15093#p15093 <![CDATA[Re: Viccelődünk? Viccelődünk?]]> Statisztika: Elküldve Szerző: takacs.ferenc.bp — 2018.02.04. 13:36

]]> 2018-02-04T11:53:12+02:00 2018-02-04T11:53:12+02:00 https://www.teszt.kozmoforum.hu/viewtopic.php?t=328&p=15089#p15089 <![CDATA[Re: Viccelődünk? Viccelődünk?]]> Statisztika: Elküldve Szerző: takacs.ferenc.bp — 2018.02.04. 11:53

]]> 2017-06-15T10:04:59+02:00 2017-06-15T10:04:59+02:00 https://www.teszt.kozmoforum.hu/viewtopic.php?t=328&p=12206#p12206 <![CDATA[Re: Fotongáz összenyomhatósága]]> Statisztika: Elküldve Szerző: G.Á — 2017.06.15. 10:04

]]> 2017-06-15T07:00:21+02:00 2017-06-15T07:00:21+02:00 https://www.teszt.kozmoforum.hu/viewtopic.php?t=328&p=12205#p12205 <![CDATA[Re: Fotongáz összenyomhatósága]]> Statisztika: Elküldve Szerző: Zsolt68 — 2017.06.15. 07:00

]]> 2017-06-15T03:16:43+02:00 2017-06-15T03:16:43+02:00 https://www.teszt.kozmoforum.hu/viewtopic.php?t=328&p=12203#p12203 <![CDATA[Re: Fotongáz összenyomhatósága]]> Statisztika: Elküldve Szerző: G.Á — 2017.06.15. 03:16

]]> 2017-06-13T15:04:16+02:00 2017-06-13T15:04:16+02:00 https://www.teszt.kozmoforum.hu/viewtopic.php?t=328&p=12188#p12188 <![CDATA[Re: Fotongáz összenyomhatósága]]> Statisztika: Elküldve Szerző: Rigel — 2017.06.13. 15:04

]]> 2017-06-13T11:45:24+02:00 2017-06-13T11:45:24+02:00 https://www.teszt.kozmoforum.hu/viewtopic.php?t=328&p=12181#p12181 <![CDATA[Re: Fotongáz összenyomhatósága]]> Statisztika: Elküldve Szerző: G.Á — 2017.06.13. 11:45

]]> 2017-06-04T21:41:23+02:00 2017-06-04T21:41:23+02:00 https://www.teszt.kozmoforum.hu/viewtopic.php?t=328&p=11974#p11974 <![CDATA[Re: Fotongáz összenyomhatósága]]> Statisztika: Elküldve Szerző: Macska Bonifác — 2017.06.04. 21:41

]]> 2017-06-04T19:40:23+02:00 2017-06-04T19:40:23+02:00 https://www.teszt.kozmoforum.hu/viewtopic.php?t=328&p=11971#p11971 <![CDATA[Re: Fotongáz összenyomhatósága]]> Statisztika: Elküldve Szerző: Zsolt68 — 2017.06.04. 19:40

]]> 2017-06-04T19:16:54+02:00 2017-06-04T19:16:54+02:00 https://www.teszt.kozmoforum.hu/viewtopic.php?t=328&p=11970#p11970 <![CDATA[Re: Fotongáz összenyomhatósága]]> Statisztika: Elküldve Szerző: G.Á — 2017.06.04. 19:16

]]> 2017-06-04T15:27:13+02:00 2017-06-04T15:27:13+02:00 https://www.teszt.kozmoforum.hu/viewtopic.php?t=328&p=11964#p11964 <![CDATA[Fotongáz tulajdonságai]]> Mennyi termikus foton van 1 m-ben szobahőmérsékleten?
Ha fogok egy nagy dobozt, és annak az egyik falát mozgathatóra alakítom ki, össze tudom préselni a dobozban a termikus sugárzást?
Lehet ezzel esetleg a szobát hűteni? (Ilyenkor nyáron nem lenne hátrány.) Kellenek hozzá a tükrök?

Például...
Leveszem a doboz tetejét, a szobából beözönlenek a fotonok, kialakul a termikus egyensúly. (Mennyi idő alatt?)
Bezárom a doboz tetejét. Adiabatikusan benyomom a doboz mozgathatóra átalakított oldalát.
Az összesűrített fotonokat üvegszálon kivezetem a szabadba.
Aztán ugyanígy tovább...

Statisztika: Elküldve Szerző: Zsolt68 — 2017.06.04. 15:27

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