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Telaah Ketinggian LCL dengan Mempergunakan Metode Newton—Raphson
Oleh:
Hariadi, T.E.
Jenis:
Article from Bulletin/Magazine
Dalam koleksi:
Warta Lapan vol. 1 no. 1 (Jan. 1999)
,
page 50-58.
Topik:
LCL
Ketersediaan
Perpustakaan Pusat (Semanggi)
Nomor Panggil:
WW32.1
Non-tandon:
1 (dapat dipinjam: 0)
Tandon:
tidak ada
Lihat Detail Induk
Isi artikel
The simple weather forecast, to find the LCL condition is very important. To discuss process, the amount of moisture assuming constant during the process. Its mean that the ascent to LCL is dry-adiabatic, and the dew point temperature (Td) is constant. The purpose of this paper is to determine the equation of air parcel path to the LCL, and to the equation using the Newton-Raphson method. Further, to discuss the result of computer pro (LCL43.FOR) and to understand the affect of the initial condition to the characteristic of LCL. The discussion of the output of computer program concluded that the updraft of air parcel affected by the temperature and the moisture amount at the initial state. It is seen if the in temperature heigh, the height of LCL will be heigh and the temperature low (Figure 5-1 and Figure 5-2). Meanwhile if the initial humidity heigh, the height of the LCL will be low, and the tempera LCL will be heigh (Figure 5-3 and Figure 5-4).
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