Detail Determination of Planck Mean Absorption Coefficients for HBr, HCI, and HF   Oleh:  Fuss, S. P. ; Hamins, A. Jenis: Article from Bulletin/Magazine Dalam koleksi: Journal of Heat Transfer vol. 124 no. 1 (Feb. 2002), page 26-29. Topik: ABSORBTION; ABSORSI; determination; planck mean absorption Ketersediaan Perpustakaan Pusat (Semanggi) Nomor Panggil: JJ90.3 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada     Lihat Detail Induk Isi artikel The Planck mean absorption coefficient, ap, has been calculated for HBr, HCl, and HF over a temperature range from 300 K – 2300 K using data from the 1996 edition of the HITRAN molecular database. Plots of ap versus temperature showed monotonically decreasing behaviour over this temperature range, with peak values at 300 K of 45.9 (atm-m)(-1), 5.3 (atm-m)(–1), and 1.95 (atm-m)(–1) for HF, HCl, and HBr, respectively. The magnitude of these values suggests that HBr, HCl, and HF can significantly impact calculations of radiative transfer in flames containing these species. Two sets of additional calculations were performed for CO to validate the methodology used for calculation of a(p) for HBr, HF, and HCl. In the first approach, which employed the narrow band model RADCAL, the calculation procedure was similar to that of the present calculations. The second approach utilized tabulated values of the integrated intensity for each CO band and an average value of the Planck function within each band. Results from the three methods showed general agreement. Polynomial expressions are provided as fits to a(p) as a function of temperature for HBr, HCl, HF, and CO. Opini Anda Klik untuk menuliskan opini Anda tentang koleksi ini! Kembali

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