[PDF] Top 20 Investigation of Effect of Tip Clearance in Centrifugal Compressor

... Centrifugal compressors, typically called radial compressors, are dynamic ax symmetric work absorbing turbo machinery sub class. Pressure rise is achieved by them by adding kinetic energy or velocity to a fluid ... See full document

... a centrifugal compressor for micro gas turbine and the related scaling effects on perfor- mance using CFD ...the compressor pressure ratio and geometry in ...the tip gap effect in the ... See full document

... the compressor mostly at off design operating ...the centrifugal compressor and to predict the performance ...stage centrifugal compressor for small turbocharger has increased operating ... See full document

... experimental investigation of tip clearance effects on flow field in an annular turbine ...and tip clearance losses steeply increase lower side of the blade trailing edge indicating ... See full document

... In this article three main characteristics of an impeller are considered for investigation of their effects on performance. The meridional contour geometries, the angle distribution of the blades and the leading ... See full document

... DOI: 10.4236/ojfd.2017.73031 463 Open Journal of Fluid Dynamics sure ratio in a single stage than that of axial one. But, the performance of com- pressors at lower flow rate is characterized by the occurrence of unsteady ... See full document

... the effect of discrete micro tip injection on unsteady tip clearance flow pattern in an isolated axial compressor rotor is presented, intending to better understand the flow mechanism ... See full document

... effects of diffuser vane on impeller exit flow. Three types of vane diffusers are used; a conventional vaned diffuser (VD), low solidity vaned diffuser (LSVD) and a partial vaned diffuser (PVD). The diffuser vane leading ... See full document

... Various parameters affect the pump performance and energy consumption. The impeller outlet diameter, the blade angle and the blade number are the most critical. Also various types of losses affect the pump performance ... See full document

... the effect of twist in diffuser vane from hub to shroud on the performance of an industrial centrifugal compressor ...impeller tip Mach number of ... See full document

... flow centrifugal compressor design. In this design, the compressor impeller was designed with eight blades and eight splitters in order to have high efficiency and wide operating ...the ... See full document

... Average flow coefficient FIG... 4 50 Rains' experimentai points -v.[r] ... See full document

... Fig. 10 shows the radial displacement of the spindle-bearing system according to the centrifugal force and the applied preload. Junction region of the spindle and the inner ring clearance significantly ... See full document

... Application of the finite element analysis for stiffness and critical speed calculation of a magnetic bearing-rotor system for electrical machines is proposed in the work [10]. The problem of stability and vibration ... See full document

... This paper exclusively deals with the changes that might occur on the account of inclusion of guide vanes at inlet of the turbo-compressor. These guide vanes induces pre-whirl. Pre-whirl is the phenomenon of ... See full document

... a centrifugal compressor (act as a pump), injection equipment with an injection mold, pressure meter, control valves, a grout delivery line (nylon tube) and an injection sleeve ... See full document

... A physical limit exists to the quantity of energy that can be extracted, which is independent of design. The energy extraction is maintained in a flow process through the reduction of kinetic energy and subsequent ... See full document

... The compressor valves are the most critical and effective component in a reciprocating compressor, because of their effect on the efficiency (horsepower and capacity) and reliability of the ... See full document

... 11 Different material groups were used to choose the most appropriate material for compressor impeller and blades which were faced to various loading conditions. In the present research, only centrifugal ... See full document

... Fuzzy systems are based on knowledge or principles and their core is a database consisting of "if-then" rules. Fuzzy "if- then" rule is an "if-then" expression the words of which are defined by ... See full document