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02: Introduction to the fluid mechanics and thermodynamics of cavitation in plants, 09.08.2017

Autor

Wilfried Konrad

Herausgeber

KIT | Webcast

Beteiligtes Institut

KIT-Bibliothek (BIB)

Genre

Vorlesung

Beschreibung

02 |
0:00:00 Start
0:01:05 Structure of Talk
0:01:44 Very short history of land plant evolution
0:04:41 Rapid radiation of vascular plants
0:05:16 Xylem structure of vascular plants
0:07:45 Part 1 – Outline of the cohesion - tension theory
0:07:48 Anatomic features of the plant water transport system
0:08:19 Experimental evidence for sap flow
0:10:06 Outline of the cohesion – tension theory
0:15:44 Description of sap flow
0:21:14 Hazards to water transport
0:21:46 Experimental evidence for cavitation
0:22:19 Hazards to water transport – spontaneous cavitation
0:27:25 Hazards to water transport – air seeding
0:33:31 Safety measures against embolism
0:45:27 Condition for dissolution of mechanically stable bubbles
0:51:33 Xylem structure of vascular plants
0:53:53 Part2 – Restoration of conductivity and possible complications
0:53:56 Restoration of conductivity – basic idea of repair scenario
0:59:43 Bubble evolution after cavitation
1:02:10 Evolution of lumen bubble after cavitation
1:04:34 Evolution of pit bubble after caviation
1:07:07 Evolution of pit bubble near restoration of conductivity
1:09:22 Complications of the repair scenario
1:14:27 Summary

Laufzeit (hh:mm:ss)

01:17:05

Serie

MICMoR Summer School 2017: Transport Phenomena and the Limits of Life in the Biosphere

Publiziert am

29.01.2018

Fachgebiet

Geowissenschaften

Lizenz

KITopen-Lizenz

Auflösung 1280 x 720 Pixel
Seitenverhältnis 16:9
Audiobitrate 128000 bps
Audio Kanäle 2
Audio Codec aac
Audio Abtastrate 48000 Hz
Gesamtbitrate 933999 kbps
Farbraum yuv420p
Container mov,mp4,m4a,3gp,3g2,mj2
Medientyp video/mp4
Dauer 4625 s
Dateiname DIVA-2018-112_hd.mp4
Dateigröße 539.926.777 byte
Bildwiederholfrequenz 25
Videobitrate 799897 kbps
Video Codec h264

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