Worthington jet wiki. Comparisons to energy transfer are presented.

Worthington jet wiki. Jets refer to the ligament of fluid that extends normal to the water surface. Beating Worthington jet by surfactants The Worthington jet can result in pathogen transmission, environmental pollution, and bodily injury. Jan 29, 2023 · 這種從液滴落在流體表面形成的隕石坑中心突出的中央射流，稱為沃辛頓射流（Worthington Jet）跳臺跳水則是儘量減少沃辛頓射流所造成的水花：影片4分17秒，相對於將手以楔形方式直接插水，這種翻轉手掌而以掌心壓水的動作可減少濺起的水花。 Feb 26, 2018 · Ken Yamamoto, Masahiro Motosuke, Satoshi Ogata Deformation of liquid droplets by impingement induces Worthington jet in certain range of the impact velocity. Comparisons to energy transfer are presented. The jet is also called a Worthington jet. Sep 1, 2020 · In this paper, air cavity and Worthington jet formations due to the entrance of a hydrophilic steel sphere into three different target liquids are stu… Get Wet 2 PHYSICS : DROPLET REBOUND, JETS,AND PINCH-OFF In my image, a Worthington jet rises from the surface surrounded by radiating waves. The time at which the first jet breaks up is proportional to Froude number, while the time of breakup for the second jet is nearly constant. [14][16] If the impact energy is high enough, the jet rises to the point where it pinches off, sending one or more droplets upward out of the surface. Worthington jets appear as a result of the impact of a droplet of fluid with a fluid surface. Mar 16, 2022 · Worthington jet generated by a drop impacting onto an aqueous pool will make the secondary droplets and aerosols splash into the air, causing air poll… At the beginning of the last century Worthington and Cole discovered that the high-speed jets ejected after the impact of an axisymmetric solid on a liquid surface are intimately related to the formation and collapse of an air cavity created in the wake of the impactor. The typical diameter of the jet is tens or hundreds of micrometer and the jet velocity Ujet reaches close to or more than 10 folds of the impact velocity of the droplet. Herein, Cai et al. This provides a cheap and universal method to inhibit the Worthington jets. demonstrate that some surfactants can effectively inhibit the Worthington jet at very low concentrations by the surface tension gradient after the impact. Although the growth of the jet as well as its tip velocity is predicted from similar cases to the droplet impact, the mechanism of the jet generation is yet to be understood. . This image also captures the beginning of jet “pinch-off,” where the upper portion of the Worthington jet bifurcates from the lower portion of the jet to form another droplet. [citation needed] Splashes are characterized by transient ballistic flow, and are governed by the Reynolds number and the Weber number. However, not all drops that collide with a pool generate Worthington jets. 19,21–23 The generation and growth of the Worthington jet is modeled as a shrinking conical air cavity12,13,17,24: the cavity is axisymmetrically squeezed and collapsed. Categories: English lemmas English nouns English countable nouns English multiword terms English eponyms Historically, Worthington (1908) was the first one who systematically investigated the splash dynamics using photographs. Three different pinch-off modes are identified in experiments, which depend solely on the release height H and the diameter of the sphere D, regardless of the material of the sphere. In the hydrophobic cases, the Worthington jet results from the collapse of the cavity formed below the free surface. Feb 4, 2025 · Here, we investigate the Worthington jets generated during the water entry of solid spheres with no cavity formed experimentally and theoretically. Additionally, a central jet, called the Rayleigh jet or Worthington jet, protrudes from the center of the crater. ah nzqsdc y274h ap 9j34f kfsg c4ff gw3lquh qqyz gmnz