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www-fuer-alle:bluemat [2026/03/20 08:53] – [GYPT/IYPT - Wasserprobleme] bieblwww-fuer-alle:bluemat [2026/03/20 09:25] (aktuell) – [GYPT/IYPT - Wasserprobleme] biebl
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 ====== WWW: BlueMat ====== ====== WWW: BlueMat ======
  
-  * [[https://www.tuhh.de/bluemat/homepage|BlueMat: Water-Driven Materials ]] 
  
-==== GYPT/IYPT - Wasserprobleme ====+  * [[https://www.tuhh.de/bluemat/homepage|JUST LAUNCHED: New Cluster of Excellence "BlueMat"]]  
 +  * [[https://www.mxp.tuhh.de/index.php/en/group/2-patrick|Prof. Dr. Patrick Huber]] 
 +  * [[https://www.chemie.uni-hamburg.de/forschung/lff-h2o.html|Kontrolle der besonderen Eigenschaften von Wasser in Nanoporen]] 
 +  * [[https://www.zhm-nord.de/participants/079339/index.php.en|Institute of Materials Physics and Technology]] 
 +  * [[https://www.csmc.uni-hamburg.de/uwa-i/cluster-projects/field-a/rfa18.html|Multiscale materials characterisation as a function of processing methods for novel and ancient writing surfaces]] 
 + 
 +===== GYPT/IYPT - Wasserprobleme =====
   * [[https://www.iypt.org/problems/problems-iypt-2024/|2024: 2. Droplet Microscope]]   * [[https://www.iypt.org/problems/problems-iypt-2024/|2024: 2. Droplet Microscope]]
     * By looking through a single water droplet placed on a glass surface, one can observe that the droplet acts as an imaging system. Investigate the magnification and resolution of such a lens.     * By looking through a single water droplet placed on a glass surface, one can observe that the droplet acts as an imaging system. Investigate the magnification and resolution of such a lens.
-  * [[https://www.iypt.org/problems/problems-for-the-34th-iypt-2021/|2021: 14. Dynamic HydrophobicitY]]+  * [[https://gypt.org/aufgaben-archiv/14-dynamic-hydrophobicity.html|2021: 14. Dynamic HydrophobicitY]] - [[https://www.iypt.org/problems/problems-for-the-34th-iypt-2021/ |IYPT]]
     * When a drop of liquid impacts on a horizontally moving surface, the droplet may be reflected or not, depending on the speed of the surface. Investigate the interaction between a moving surface and a liquid drop.     * When a drop of liquid impacts on a horizontally moving surface, the droplet may be reflected or not, depending on the speed of the surface. Investigate the interaction between a moving surface and a liquid drop.
     * [[https://www.youtube.com/watch?v=9DV2Jdhsydk|Nature of Dynamic Friction in a Humid Hydrophobic Nanocontact]]     * [[https://www.youtube.com/watch?v=9DV2Jdhsydk|Nature of Dynamic Friction in a Humid Hydrophobic Nanocontact]]
-    *  
   * [[https://www.iypt.org/problems/iypt-2017-problems/|2017: 5. Leidenfrost Stars]]   * [[https://www.iypt.org/problems/iypt-2017-problems/|2017: 5. Leidenfrost Stars]]
     * In the Leidenfrost effect, a water drop placed on a hot surface can survive for minutes. Under certain circumstances, such a drop develops oscillating star shapes. Induce different oscillatory modes and investigate them.     * In the Leidenfrost effect, a water drop placed on a hot surface can survive for minutes. Under certain circumstances, such a drop develops oscillating star shapes. Induce different oscillatory modes and investigate them.
     * [[https://www.youtube.com/shorts/pTSwuarz1C8|I Made a Leidenfrost Star with Liquid Nitrogen ]]     * [[https://www.youtube.com/shorts/pTSwuarz1C8|I Made a Leidenfrost Star with Liquid Nitrogen ]]
     * [[https://www.tiktok.com/@pchemstud/video/7456746780357643566|Zeitlupe]]     * [[https://www.tiktok.com/@pchemstud/video/7456746780357643566|Zeitlupe]]
 +  * [[https://www.iypt.org/problems/iypt-2016-problems/|2016: 5. Ultrahydrophobic Water ]]
 +    * [[https://www.youtube.com/watch?v=OU3953k7tIQ&t=6s|Water + Soap + Sound]]
 +    * Set a dish filled with soapy water onto a loudspeaker or other vibrator. When it oscillates, it is possible to hold small droplets on its surface for a long time. Explain and investigate the phenomenon.
 +  * [[https://www.iypt.org/problems/iypt-2016-problems/|2016: 9. Water Waves]]
 +    * Generate a water wave with a vertically oscillating horizontal cylinder. When varying the excitation frequency and/or amplitude, the water seems to drift away from or towards the cylinder. Investigate the phenomenon.]]
   * [[https://www.iypt.org/problems/iypt-2014-problems/|2014: 8. Freezing droplets]]   * [[https://www.iypt.org/problems/iypt-2014-problems/|2014: 8. Freezing droplets]]
     * Place a water droplet on a plate cooled down to around -20 °C. As it freezes, the shape of the droplet may become cone-like with a sharp top. Investigate this effect.     * Place a water droplet on a plate cooled down to around -20 °C. As it freezes, the shape of the droplet may become cone-like with a sharp top. Investigate this effect.
     * [[https://youtu.be/R_q-N_4qCh8|GYPT 2014 freezing droplet]]     * [[https://youtu.be/R_q-N_4qCh8|GYPT 2014 freezing droplet]]
     * [[https://www.youtube.com/watch?v=ZgJHptCRg04|Surfaces that force freezing droplets to scrape themselves off]]     * [[https://www.youtube.com/watch?v=ZgJHptCRg04|Surfaces that force freezing droplets to scrape themselves off]]

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