Stellar structure

  1. 1. The problem statement, all variables and given/known data

    Let be the density given by the expression p = pc(1-r/R) where R is tha radius of the star. Find the stratification for pressure and temperature.

    2. Relevant equations

    Equilibrium eq. dP/dr = -Gm(r)p/r2

    Continuity eq. dm/dr = 4*Pi*r2p

    PS.: p == rho (sorry for not using TeX)

    3. The attempt at a solution

    The main problem is how to find the temperature stratification... maybe using the ideal gas equation PV =nRT?

  2. jcsd
  3. ideasrule

    ideasrule 2,322
    Homework Helper

    Have you already found the pressure distribution? If so, try rewriting the ideal gas law in terms of density, by multiplying both sides of PV=nRT by molar mass.
  4. Yes, I've found P(r) using Equilibrium equation, now if I write P=puRT (p:density; u:molar mass) and p=pc(1-r/R). Then I Have a relation between T and p, is that right?

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