Turbulence pressure in convection zone

AI Thread Summary
The discussion centers on finding a formula for turbulence pressure in the convection zone of stars, specifically as a function of temperature. Participants reference two academic papers for potential insights but express concern over the complexity of the subject. The focus is on avoiding time-dependence and magnetic influences while working on a composite polytrope model. There is a desire to identify specific terms in equations that can be attributed to convection effects. Overall, the conversation seeks clarity on turbulence pressure in stellar convection zones.
Helios
Messages
267
Reaction score
63
Is there a formula for turbulence pressure that is a function of temperature ( in the convection zone of a star )?
 
Astronomy news on Phys.org
Helios said:
Is there a formula for turbulence pressure that is a function of temperature ( in the convection zone of a star )?
I didn't look at the whole thing yet, but it should be on:
http://chjaa.bao.ac.cn/2004/2004_4_5p490.pdf (Pages 2 & 3) or at:

http://www.journals.uchicago.edu/ApJ/journal/issues/ApJS/v108n2/33389/33389.web.pdf (Page 6).
 
Last edited by a moderator:
The complexity of that is far too daunting. I want to avoid time-dependence and certainly magnetism. Frankly, I'll tell you what I'm working on and that is a composite polytrope; n=3 inside and n=1.5 for a convective envelope. Now I would like to be able to point to some term in an equation and say this part is due to convection. My articulation is vague at this point and I would welcome any ideas.
 

Thread 'Potential biosignature found in Mars rock'

Publication: Redox-driven mineral and organic associations in Jezero Crater, Mars Article: NASA Says Mars Rover Discovered Potential Biosignature Last Year Press conference The ~100 authors don't find a good way this could have formed without life, but also can't rule it out. Now that they have shared their findings with the larger community someone else might find an explanation - or maybe it was actually made by life.
View full post »

Thread 'Does it make sense to build new radio telescopes?'

TL;DR Summary: In 3 years, the Square Kilometre Array (SKA) telescope (or rather, a system of telescopes) should be put into operation. In case of failure to detect alien signals, it will further expand the radius of the so-called silence (or rather, radio silence) of the Universe. Is there any sense in this or is blissful ignorance better? In 3 years, the Square Kilometre Array (SKA) telescope (or rather, a system of telescopes) should be put into operation. In case of failure to detect...
View full post »
Thread 'Could gamma-ray bursts have an intragalactic origin?'

Thread 'Could gamma-ray bursts have an intragalactic origin?'

This is indirectly evidenced by a map of the distribution of gamma-ray bursts in the night sky, made in the form of an elongated globe. And also the weakening of gamma radiation by the disk and the center of the Milky Way, which leads to anisotropy in the possibilities of observing gamma-ray bursts. My line of reasoning is as follows: 1. Gamma radiation should be absorbed to some extent by dust and other components of the interstellar medium. As a result, with an extragalactic origin, fewer...
View full post »

Similar threads

I Granules On The Sun: Photosphere Or Convection Zone?
Replies
2
Views
2K
I Rotation profile for radiative zone of Sun - convection
Replies
1
Views
2K
B Convection in Stars: The Role of Mass and Structure in Fuel Consumption
Replies
16
Views
6K
I Jupiter atmosphere, turbulence and ocean fluid dynamics
Replies
0
Views
1K
B Structure and Dynamics of Blue Supergiants
Replies
2
Views
2K
I Could a fully convective Sun double its lifespan?
Replies
21
Views
4K
Is CNO cycle more life friendly than H->He?
Replies
23
Views
3K
A Is there a stagnation point in turbulent flows not involving solids?
Replies
3
Views
1K
B What happens to the Core of a main sequence star as additional mass is added?
Replies
42
Views
4K
Convection vs Radiation at the giant stage of stars
Replies
3
Views
3K

Hot Threads

Recent Insights

Back
Top