2009年8月16日 · 1. Can anyone please explain in detail How a Vortex if formed. I mean what are the reasons and physical phenomena that cause the water entering a bath tub sink to gain a …

2010年12月28日 · In a stirred vessels it can occur that a vortex is present which is unwanted because it decreases the mixing. The dimensionless Froude number is a value that can be …

2017年5月5日 · can anyone tell me how the orifice diameter can affect the vortex forming ? no much info from internet , thanks for help~:smile:

2015年6月13日 · Hi Guys, Please excuse my ignorance. I was wondering about the physics involved in the vortex created by using a stirrer bar in a beaker of water. Is this Bernoulli's …

2024年2月10日 · Greetings! An aerofoil experiences life because the velocity of flow at the top surface of the airfoil is higher, causing a pressure difference. This higher velocity is attained as …

2007年4月8日 · Why does a whirlpool form in your bathtub, sink or toilet when the water is draining? And what factors are responsible for which way the whirlpool rotates? Thanks

2018年4月11日 · The formation of a single hurricane vortex at the centre of a depression / cyclone can be explained in terms of Coriolis effect but I think the small scale effect in tornados is …

2014年8月7日 · Vortex shedding will cause a pressure drop across the cylinder, but are we able to calculate that drop? I cannot seem to find any literature on this specific question.

2013年3月16日 · The main driver of the vortex is the conservation of angular momentum. Just like the figure skater who speeds up when she draws the arms close, the minute rotation of the …

2010年7月3日 · I would like to make a vortex without a screen obstructing my view of it. Do simple electrical fans, like computer fans, actually cause air to "swirl" effectively?