Tip Leakage Effects on Flow Field of a Centrifugal Compressor
Journal Title: International Journal of Mechanical and Production Engineering Research and Development (IJMPERD ) - Year 2017, Vol 7, Issue 4
Abstract
Tip leakage effects on the flow field of a low speed centrifugal compressor is observed computationally using structured multi block grid with fine grid in the tip leakage region. The computational study of centrifugal compressor is carried out without and with a partial shroud on the tip of the blade with finite volume method upwind scheme using ANSYS CFX software. Centrifugal compressor impeller with three values of tip clearances i.e., τ = 2.2%, 5.1% and 7.9% of blade height at trailing edge are examined at four flow coefficients 0.12, 0.18,0.28 and 0.34. The effect of tip clearance on total pressure coefficient and static pressure coefficient from inlet to outlet of the compressor is observed. The drop in static pressure coefficient and total pressure coefficient with the increase in tip clearance is found to be high at the tip of the blade due to high pressure fluid leakage at the tip of the blade. Shifting on the maximum value of non-dimensional tangential velocity towards the hub at the outlet of impeller to increase in clearance is analyzed. The velocity vectors at turbo surface 1.8, velocity contours are analyzed and tangential velocity graphs are plotted.
Authors and Affiliations
S. M. Swamy, V. Pandurangadu, R. Rama Chandra, V. Naga Prasad Naidu
Keywords
Related Articles
- EP ID EP240292
- DOI -
- Views 87
- Downloads 0
Analytical Study of Sio2-Water Based Nano Fluid Flow in A Rotating Frame With Thermo Phoresis
The problem of unsteady MHD free convection flow of SIO2- H2O nano-fluid through a porous medium bounded by a vertical semi-infinite permeable flat plate with constant heat source and convective boundary condition in a r...
A REVIEW ON NATURAL FIBER HYBRID COMPOSITES
In modern industries, the majority of the conventional materials have been replaced by Natural fiber composites due to its high strength to weight ratio, biodegradable, eco-friendly environment, etc. Moreover, natural fi...
Flexible Manufacturing Systems (FMS): A Review
Today’s manufacturing environment demands for manufacturing performance to accomplish the task in the stipulated time interval. Hence, flexibility of the manufacturing systems becomes an important issue which has led to...
FINDING THE POROSITY PERECENTAGE FOR SMART ALLOY (Cu-Al-Ni) SAMPLES WHEN CHANGING THE SINTERING TIME AT THE FIRST STAGE
In this research the effect of porosity is studied at three different holding times(1.5, 1 and 0.5 hours) for the first sintering stage, to fixing aluminium in its solid state phase at temperatures (500°C), of the memory...
Efficiency Evaluation and Comparison of Different Turbulator Shapes in Solar Water Heating Collector System
Solar flat plate collector is mostly used for the heating purposes like heating of water or any fluid and also used for heating the space or drying purpose. The solar flat plate collector is one of the best methods for t...