تم الحل ✓
categoryهندسة ميكانيكية
schoolبكالوريوس
event_available2026-07-13
السؤال
Transcribed Image Text:
The temperature distribution in a tapered conical cooling fin (Fig. P24.10) is described by the
following differential equation, which has been nondimensionalized:
dầu + (2)(du -
- (²) (du - pu) = 0
dx²
dx
where u = temperature (0 ≤ u≤ 1), x = axial distance (0 ≤x≤ 1), and p is a nondimensional
parameter that describes the heat transfer and geometry:
p =
hL
1+
4
2m²
where h = a heat transfer coefficient, k = thermal conductivity, L = the length or height of the
cone, and m = the slope of the cone wall. The equation has the boundary conditions:
u(x = 0) = 0
u(x = 1) = 1
Solve this equation for the temperature distribution using finite-difference methods. Use
second-order accurate finite-difference formulas for the derivatives. Write a computer program
to obtain the solution and plot temperature versus axial distance for various values of p = 10,
20, 50, and 100.
FIGURE P24.10
x=
u(x = 1)=1
J
u(x = 0) = 0
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