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helpmehelpme
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Can laminar and turbulent flow be used to explain dripping blood? Be it blood dripping from a weapon/ impacting on an uneven surface?
Laminar and turbulent flow on dripping blood
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In summary, the conversation discusses the potential use of laminar and turbulent flow to explain dripping blood, specifically in cases where the blood is dripping from a weapon or impacting on an uneven surface. The speaker mentions that most of the flow is likely laminar and viscous before the impact, but is unsure and suggests seeking input from experts. They also mention an article that may be helpful in understanding the concept. The other participant in the conversation questions the use of the word "flow" in reference to dripping and expresses uncertainty about the question being asked.
- #2
berkeman
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Welcome to the PF.helpmehelpme said:
I would think most of the flow is laminar and viscous (until the impact you mention), but I'm no expert in fluid flow (you will get replies from those experts here as well). What reading have you done about your question? Here is an article that you may find helpful:
https://physics.aps.org/story/v4/st9
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russ_watters
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I would not refer to a dripping liquid as "flowing", no.helpmehelpme said:
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I'm unclear about the question. What are you trying to explain about dripping?
What is laminar flow?
Laminar flow refers to a smooth and orderly flow of a liquid or gas, where all particles move in the same direction and at the same speed. It is characterized by layers of fluid that do not mix and flow in a straight line.
What is turbulent flow?
Turbulent flow is a chaotic and irregular flow of a liquid or gas, where particles move in different directions and at different speeds. It is characterized by mixing and fluctuations in the flow, resulting in eddies and vortices.
How does laminar flow affect dripping blood?
In laminar flow, blood droplets will fall in a predictable and consistent pattern, with minimal splattering. This is due to the smooth and orderly movement of the fluid, which minimizes the mixing and spreading of the droplets.
How does turbulent flow affect dripping blood?
In turbulent flow, blood droplets will splatter and disperse in various directions, resulting in a less predictable and more chaotic pattern. This is due to the mixing and fluctuations in the flow, which causes the droplets to break up and spread out.
What factors can influence the transition from laminar to turbulent flow in dripping blood?
The viscosity and velocity of the blood, as well as the surface properties of the material the blood is dripping onto, can influence the transition from laminar to turbulent flow. Other factors such as the angle and height of the drip, as well as external forces like wind, can also play a role.
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