Research Article

Steady Heat Transfer through a Two-Dimensional Rectangular Straight Fin

Table 2

The first five eigenvalues of (3.12).

B i 𝜓 0.2 0.4 0.6 0.8 1.0

𝜆 1 3.2043.2643.3203.3743.426
𝜆 2 6.3156.3466.3776.4076.437
𝜆 3 9.4469.4679.4889.5099.529
𝜆 4 12.58212.59812.61412.63012.645
𝜆 5 15.72015.73315.74615.75915.771