Analysis Of Head Losses Consequent Section Diameter, Pipe Material and Flow Debit Using Contrast Test (Scheffe’s Method) at 900 Elbow Joint

Saut Kasdiardi Silalahi, Am. Mufarrih, Irwan Setyowidodo

Abstract


Piping system is needed notice on group of high population people. Water flows come out from people residend sometimes unstable when used. This anomaly can be happened because factor of section diameter, pipe material, and flow debit passed through pipes elbow. This research intend to know effect section diameter, pipe material varians, flow debit of head losses and knowing coefficient losses consequent reynold number. This research is using factorial desain orthogonal array L12 then data analysis used Analysis Of Variance (ANOVA) with assistance minitab 16 software and contrast test (Scheffe’s Method). The results of this experiment head losses highest value of  pipe section diameter 1 inch towards ¾ inch, PVC (Poly Vinyl Cholide) pipe material, and flow debit 20 liter/minutes is 42.33 mm. For head loses lowest value of pipe section diameter ¾ inch toward 1 inch,  PE (Polyethylene) pipe material, and flow debit 10 liter/minutes is 5.33 mm, although highest coefficient losses of section diameter ¾ inch towards 1 inch, PVC (Poly Vinyl Cholide) pipe material, and flow debit 10 liter/minutes is 1.4602. ANOVA result and contrast test (Scheffe’s Method) concluded section diameter, pipe material, and fluid flow debit significant effect of head losses. Based the conclusion of research, reseacher suggest that small section diameter toward big section diameter, better pipe material and low flow debit  if want to reduce head losses value of piping system.

Keywords


Head losses; section diameter; pipe material; flow debit; 900 elbow joint

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References


Thorley A. R. D, The Influence Of The Pipe Wall On Pressure Transients In Hydraulic Pipelines, M. Phil. Thesis (London University), also, Winter Annual Meeting Am. Soc. Mech. Engrs, 1965, Paper 68-WA/FE-2.

Turian. R. M, Flow Of Concentrated Non-Newtonian Slurries: 2. Friction Losses In Bends, Fittings, Valves And Venturi Meters, Int. J. Multiphase Flow, 24 (1998) 2.

Morimune .T, Study of Compressible High Speed Gas Flow in Piping System : 1st Report, Piping Systems with Bends or Elbows, Bulletin of JSME, 23 (1980) 186.

Brickstand. B, A Parametric Study Of Residual Stresses In Multi-Pass Butt-Welded Stainless Steel Pipes, Elsevier, 75 (1998) 1.

White. Frank M, Handook Fluid Mechanics (Fifth Edition), McGraw-Hill Series in Mechanical Engineering, Boston, 1988, p. 156.

S. Victor L, Fluid Mechanics (6th Edition), McGraw-Hill, New York, 1975, p. 98.

M. Douglas C, Design And Analysis of Experiments (Fifth Edition), New York, Jhon Wiley & Sons, INC, 2001. p. 93-94.




DOI: http://dx.doi.org/10.12962/j23378557.v3i3.a3081

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