File:Friction d'une allumette.jpg
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Original file (4,432 × 3,324 pixels, file size: 5.05 MB, MIME type: image/jpeg)
Summary
| Description |
Français : Friction d'une allumette sur un grattoir capturé en haute vitesse à l'aide d'un automate de prise de vue. La technique de l'Open Flash a été utilisée : le déclenchement des flashs a été commandé par un capteur de vibrations (piezzo) avec un décalage de 20 ms. Vitesse de capture d'environ 1/35000ème.
English: Friction of a match on a scraper captured in high speed using an automated camera. The Open Flash technique was used: the triggering of the flashes was controlled by a vibration sensor (piezzo) with a delay of 20 ms. Capture speed of approximately 1/35000th.
Deutsch: Reibung eines Streichholzes auf einer Reibefläche, aufgenommen mit einer automatisierten Kamera in Hochgeschwindigkeit. Es wurde die Open-Flash-Technik verwendet: Die Auslösung der Blitze wurde durch einen Vibrationssensor (Piezometer) mit einer Verzögerung von 20 ms gesteuert. Aufnahmegeschwindigkeit von etwa 1/35000.
العربية: تم التقاط احتكاك عود الثقاب على مكشطة بسرعة عالية باستخدام كاميرا آلية. تم استخدام تقنية Open Flash: تم التحكم في تشغيل الومضات بواسطة مستشعر اهتزاز (بيزو) مع تأخير قدره 20 مللي ثانية. سرعة الالتقاط حوالي 1/35000th.
Українська: Момент загорання сірника від тертя, знятий на швидкісну автоматичну камеру. |
| Date | |
| Source | Own work |
| Author | Yann SEGALEN |
Assessment
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This image was selected as picture of the day on Vietnamese Wikipedia for 28 October 2025.
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I, the copyright holder of this work, hereby publish it under the following license:
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:13, 4 February 2018 | | 4,432 × 3,324 (5.05 MB) | wikimediacommons>Yann SEGALEN | Cross-wiki upload from fr.wikipedia.org |
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