Integrasi Numerik Kapasitas Panas Debye Material Logam Menggunakan Metode Newton-Cotes  

Oleh:

Juarlin, E. ; Limbong, A. ; Gareso, P. L.

Jenis: Article from Journal - ilmiah nasional - tidak terakreditasi DIKTI
Dalam koleksi: SIGMA: Jurnal Sains dan teknologi vol. 13 no. 2 (Jul. 2010), page 107-113.
Topik: Debye Heat Capacity; Newton-Cotes Formula; Simpson Method

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: SS25 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

There are three kinds of heat capacity: Classical heat capacity, Einstein heat capacity, and Debye heat capacity. Debye model assumes that atoms vibrate and its number of states contributes to heat capacity. The last step in the Debye model formula derivation is the derivation of internal energy with respect to temperature. The integration can not be solved analytically but it can be solved numerically. Numerical integration methods using in this paper is the Newton-Cotes method which uses 240 segments. Numerical integration is approximated by first order to five order polynom.

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