Analisis Kerugian Pada Pipa Lurus Dengan Variasi Debit Aliran  

Oleh:

Subagyo, Rachmat

Jenis: Article from Journal - ilmiah nasional
Dalam koleksi: Kalimantan Scientiae: Sain Dan Teknologi vol. 28 no. 76 (Oct. 2010), page 92-101.
Topik: Internal Flow; Viscosity; Friction Factor; Reynolds.

Ketersediaan

Perpustakaan PKPM Nomor Panggil: K35 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Fluid flow a pipe (internal flow) always happens losses caused by friction between the wall because of the influence of the fluid's viscosity. High coefficient of friction affect them directly to a substantial reduction of the pressure and eventually to the amount of energy needed to drain the fluid. Aplication of this research is on the instalation of pipeline taps, pertamina's crude oli supply, instalation of sump drainage pipe in the mining regions and many othr applications. In this study, will be varied so that the floew rate will be obtained by varying Reynolds number, and will be searched the relationship between Reynolds and major losses, the speed of the mayor losses that occur with such a relationship will be obtained as a study in fluid mechanics studies. From this study indicate that the relationship between Reynolds number the friction factor is which means the greater the speed of the major losses will be greater. The lowest value of friction factor at full valve opening with Re=1,91 x 100000 to the value f= 1,513x 10-2 and the highest values of friction factor occurs at the valve opening quarter with the value of ?h=196,67 mm at a speed v= 19,572 m/s (at full valve opening), the lowest rate of major losses on the values of ?h= 0 (small) at the speed of v=2,453 m/s.

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