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Thèses sur le sujet « Centrifugal Compressor »

Auteur : Grafiati
Publié le 4 juin 2021
Mis à jour le 26 juillet 2025

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1

Hazby, Hamid Richard. "Centrifugal compressor aerodynamics." Thesis, University of Cambridge, 2011. https://www.repository.cam.ac.uk/handle/1810/252228.

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2

Moenne-Loccoz, Victor. "Analyse expérimentale des instabilités aérodynamiques dans un compresseur centrifuge de nouvelle génération." Thesis, Lyon, 2019. http://www.theses.fr/2019LYSEC005.

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L’étude effectuée au cours de cette thèse a permis la caractérisation expérimentale des instabilités aérodynamiques se développant dans un compresseur centrifuge et une première évaluation de l’efficacité d’une stratégie de contrôle par aspiration de couche limite. Le compresseur, développé par Safran Helicopter Engines et dénommé Turbocel, est composé d’une roue directrice d’entrée, d’un rouet centrifuge splitté, d’un diffuseur radial aubé et splitté et d’un redresseur axial. Des travaux numériques antérieurs réalisés au Laboratoire de Mécanique des Fluides et d’Acoustique ont montré, aux bas
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3

Harris, P. K. "Erosion in centrifugal compressor impellers." Thesis, Cranfield University, 1996. http://dspace.lib.cranfield.ac.uk/handle/1826/10622.

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An experimental and theoretical study of erosion in centrifugal compressor impellers is presented. An experimental rig using laser anemometry techniques was employed to create a database of particle restitution ratios for a range of materials. This data was unique in that the particle rebound was measured in a quiescent condition where the aerodynamic effects had been minimised, and also parametric factors not previously available were included. These values were incorporated into the existing Particle Trajectory Code developed by Cranfield University and Rolls Royce PLC. The code is used to c
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4

Pinsley, Judith Ellen. "Active control of centrifugal-compressor surge." Thesis, Massachusetts Institute of Technology, 1988. http://hdl.handle.net/1721.1/39016.

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5

Guidotti, Emanuele <1977&gt. "Towards Centrifugal Compressor Stages Virtual Testing." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2014. http://amsdottorato.unibo.it/6550/1/Guidotti_Emanuele_tesi.pdf.

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Flow features inside centrifugal compressor stages are very complicated to simulate with numerical tools due to the highly complex geometry and varying gas conditions all across the machine. For this reason, a big effort is currently being made to increase the fidelity of the numerical models during the design and validation phases. Computational Fluid Dynamics (CFD) plays an increasing role in the assessment of the performance prediction of centrifugal compressor stages. Historically, CFD was considered reliable for performance prediction on a qualitatively level, whereas tests were necessary
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Guidotti, Emanuele <1977&gt. "Towards Centrifugal Compressor Stages Virtual Testing." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2014. http://amsdottorato.unibo.it/6550/.

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Flow features inside centrifugal compressor stages are very complicated to simulate with numerical tools due to the highly complex geometry and varying gas conditions all across the machine. For this reason, a big effort is currently being made to increase the fidelity of the numerical models during the design and validation phases. Computational Fluid Dynamics (CFD) plays an increasing role in the assessment of the performance prediction of centrifugal compressor stages. Historically, CFD was considered reliable for performance prediction on a qualitatively level, whereas tests were necessary
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7

Lancel, Jerome. "Analysis and test of a centrifugal compressor." Thesis, University of Sussex, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.250183.

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8

Leung, Kam Man. "Investigation of surge improvement of centrifugal compressor." Thesis, University of Sussex, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.400033.

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9

Benneke, Björn. "A methodology for centrifugal compressor stability prediction." Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/54609.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 2009.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 133-135).<br>The stable operation of centrifugal compressors is limited by well-known phenomena, rotating stall and surge. Although the manifestation of the full scale instabilities is similar to the ones observed in axial machines, the stall inception in centrifugal compressors is less well understood. This thesis focuses on developing an integrated methodology to predict the stability limit and the stall incepti
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10

Al-Mawali, Salim. "Centrifugal compressor surge suppression using fuzzy logic control." Thesis, University of Newcastle Upon Tyne, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.493201.

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Turbo gas compressors are among the most used machines ever invented. In the process industry, they are used intensively to provide compressed air for all types of pneumatic instruments and tools. These compressors suffer from an instability known as surge which usually occurs at low flow rates. The flow becomes seriously unstable and sometimes reverses. Surge has been a major problem for designers and users since the invention of the turbo-compressor. Although many successful echniques have been proposed to tackle the surge problem, most of them seem to offer to control at a single operating
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11

Smythe, Caitlin J. (Caitlin Jeanne). "Forced response predictions in modern centrifugal compressor design." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/32454.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 2005.<br>Includes bibliographical references (p. 119-120).<br>A computational interrogation of the time-averaged and time-unsteady flow fields of two centrifugal compressors of nearly identical design (the enhanced, which encountered aeromechanical difficulty, and production, which did not encounter any such difficulty) is undertaken in an effort to establish a causal link between impeller-diffuser interactions and the forced response behavior of the impeller blades. Through comparison of time- average
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12

Mannai, Sébastien (Sébastien Karim). "Multi-parameter control for centrifugal compressor performance optimization." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/90778.

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Thesis: S.M., Massachusetts Institute of Technology, Department of Aeronautics and Astronautics, 2014.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 88-89).<br>The potential performance benefit of actuating inlet guide vane (IGV) angle, variable diffuser vane (VDV) angle and impeller speed to implement a multi-parameter control on a centrifugal compressor system is assessed. The assessment consists of first developing a one-dimensional meanline model for estimating performance of centrifugal compressor system followed by the formulation of a control fra
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13

Sundström, Elias. "Centrifugal compressor flow instabilities at low mass flow rate." Licentiate thesis, KTH, Mekanik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-184869.

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Turbochargers play an important role in increasing the energetic efficiency andreducing emissions of modern power-train systems based on downsized recipro-cating internal combustion engines (ICE). The centrifugal compressor in tur-bochargers is limited at off-design operating conditions by the inception of flowinstabilities causing rotating stall and surge. They occur at reduced enginespeeds (low mass flow rates), i.e. typical operating conditions for a betterengine fuel economy, harming ICEs efficiency. Moreover, unwanted unsteadypressure loads within the compressor are induced; thereby lower
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14

Schleer, Matthias. "Flow structure and stability of a turbocharger centrifugal compressor /." Düsseldorf : VDI-Verl, 2006. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=015054634&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.

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15

Overvåg, Thomas Ferstad. "Centrifugal Compressor Load Sharing with the use of MPC." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for teknisk kybernetikk, 2013. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-20687.

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The work presented in this thesis examines the possibilities of having compressors running in an optimal manner which can result in energy savings. This research looks at how a compressor operates and the problems which can occur when connecting several machines, both in series and parallel. It is mainly focused on using Model Predictive Control (MPC), as a setup for controlling each compressor to a fixed operating point on the characteristic with relation to mass flow and pressure. Constraints are set on the controller outputs to help minimize the area of operation. Several types of efficienc
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16

Li, Xiaoyi. "NUMERICAL STUDY OF A HIGH-SPEED MINIATURE CENTRIFUGAL COMPRESSOR." Doctoral diss., University of Central Florida, 2005. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/4098.

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A miniature centrifugal compressor is a key component of a reverse Brayton cycle cryogenic cooling system. The system is commonly used to generate a low cryogenic temperature environment for electronics to increase their efficiency, or generate, store and transport cryogenic liquids, such as liquid hydrogen and oxygen, where space limit is also an issue. Because of space limitation, the compressor is composed of a radial inlet guide vane, a radial impeller and an axial-direction diffuser (which reduces the radial size because of smaller diameter). As a result of reduction in size, in order to
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17

Pinarbasi, Ali. "Flow investigation in centrifugal compressor vaneless and vaned diffusers." Thesis, University of Liverpool, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.284261.

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18

Kalogeropoulos, Elias. "Experimental investigation of roughness effects on centrifugal compressor performance." Thesis, University of Sussex, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.326927.

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19

Guo, Wei S. M. Massachusetts Institute of Technology. "Centrifugal compressor return channel shape optimization using adjoint method." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/85801.

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Thesis: S.M., Massachusetts Institute of Technology, Department of Aeronautics and Astronautics, 2013.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 59-60).<br>This thesis describes the construction of an automated gradient-based optimization process using the adjoint method and its application to centrifugal compressor return channel loss reduction. A proper objective function definition and a generalized geometry parametrization and manipulation algorithm were developed, and the appropriate adjoint equations and boundary conditions were derived for in
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20

Gysling, Daniel Lawrence. "Dynamic control of centrifugal compressor surge using tailored structure." Thesis, Massachusetts Institute of Technology, 1989. http://hdl.handle.net/1721.1/41320.

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Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1989.<br>GRSN 406712<br>Includes bibliographical references (leaves 122-123).<br>by Daniel Lawrence Gysling.<br>M.S.
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21

Murray, Neil Paul 1977. "Effects of impeller-diffuser interaction on centrifugal compressor performance." Thesis, Massachusetts Institute of Technology, 2003. http://hdl.handle.net/1721.1/82767.

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22

Zhao, Dongdong. "Control of an ultrahigh speed centrifugal compressor for the air management of fuel cell systems." Phd thesis, Université de Technologie de Belfort-Montbeliard, 2013. http://tel.archives-ouvertes.fr/tel-01002037.

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Air compressor supplying the oxygen to the stack is an important component in the fuel cell systems. The compressor can consumes up to 20 % of the generated power in the most severe cases. The selecting of the compressor and corresponding control are directly related to the performance of the fuel cell. The size and weight of the air compressor has to be reduced to make them more feasible for automotive applications. Moreover, the control of the air compression system is also an important issue, which affects the efficiency and the safety of the fuel cell. To avoid oxygen starvation of the sta
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23

Human, Dirk Cornelius. "Predicting stage performance of a multi-stage centrifugal compressor using the overall compressor performance characteristic." Diss., University of Pretoria, 2019. http://hdl.handle.net/2263/79588.

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The reliable operation of Integrally Geared Centrifugal Compressors (IGCCs), used in the coal-fired power generation industry of South Africa, is essential for economic, environmental and safety considerations. However, due to the unavailability of individual stage performance curves, the ability of a compressor owner to identify underperforming stages to maintain these compressors proactively remains limited. This study addresses the stage performance prediction of an IGCC when only the compressor’s overall performance characteristic, in conjunction with the impeller diameters and tip speeds,
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24

Booysen, Walter. "Reducing energy consumption on RSA mines through optimised compressor control / Walter Booysen." Thesis, North-West University, 2010. http://hdl.handle.net/10394/4094.

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South Africa experienced a severe shortfall in electricity supply during 2008. Eskom, the national electricity supplier, implemented several strategies to alleviate the situation. The Power Conservation Programme set the mining sector a mandatory target to reduce its annual power consumption by 10%. The quickest way to achieve these savings is by optimising the largest power consumers on the mines. Compressed air is one of these, constituting approximately 40% of total electricity consumption on platinum mines. Several methods to reduce power consumption on compressed air systems were investig
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25

Zemp, Armin. "CFD investigation on inlet flow distortion in a centrifugal compressor." Zürich : Swiss Federal Institute of Technology, Turbomachinery Laboratory, 2007. http://e-collection.ethbib.ethz.ch/show?type=dipl&nr=308.

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26

Glover, Stephen Brian. "Investigation into impeller exit flows of a turbocharger centrifugal compressor." Thesis, Queen's University Belfast, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.335494.

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27

Gould, Kenneth A. (Kenneth Arthur). "Characterization of unsteady flow processes in a centrifugal compressor stage." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/35577.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 2006.<br>Includes bibliographical references (p. 137).<br>Numerical experiments have been implemented to characterize the unsteady loading on the rotating impeller blades in a modem centrifugal compressor. These consist of unsteady Reynolds-averaged Navier Stokes simulations of three-dimensional and quasi-two dimensional approximate models. The interaction between the rotating impeller and the stationary downstream diffuser has been identified as strong source of unsteady loading on the impeller blades
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28

Krige, David Schabort. "Performance evaluation of a micro gas turbine centrifugal compressor diffuser." Thesis, Stellenbosch : Stellenbosch University, 2013. http://hdl.handle.net/10019.1/80119.

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Thesis (MScEng)--Stellenbosch University, 2013.<br>ENGLISH ABSTRACT: Micro gas turbines used in the aerospace industry require high performance with a compact frontal area. These micro gas turbines are often considered unattractive and at times impractical due to their poor fuel consumption and low cycle efficiency. This led to a joint effort to investigate and analyze the components of a particular micro gas turbine to determine potential geometry and performance improvements. The focus of this investigation is the radial vaned diffuser which forms part of a centrifugal compressor. The
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Struwig, Daniel Johannes. "The development and verification of a centrifugal compressor test bench." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/86250.

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Thesis (MScEng)--Stellenbosch University, 2014.<br>ENGLISH ABSTRACT: Turbomachinery plays an important role in the efficiency of power generation and combustion processes used in the automotive and aerospace industries. The potential for fulfilling future energy needs has been identified in both civilian and military applications, for example micro gas turbines (MGTs) used in unmanned aireial vehicles (UAVs). The goal of this thesis was to build a performance testing facility for small-scale centrifugal compressors, for use in MGTs. The objectives of this study were mainly achieved through
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Halbe, Chaitanya Vishwajit. "Effects of Two-Phase Flow in a Multistage Centrifugal Compressor." Diss., Virginia Tech, 2016. http://hdl.handle.net/10919/73305.

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The performance of a vapor compression system is known to be affected by the ingestion of liquid droplets in the compressor. In these multiphase flows, the liquid and the vapor phase are tightly coupled. Therefore the interphase heat, mass and momentum transfer as well as droplet dynamics including droplet breakup and droplet-wall interactions play a vital role in governing these flows. Only thermodynamic analyses or two-dimensional mean-line calculations are not sufficient to gain an in-depth understanding of the complex multiphase flow field within the compressor. The objective of this resea
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Sato, Kenji. "Blade row interaction in radial turbomachines." Thesis, Durham University, 1999. http://etheses.dur.ac.uk/4349/.

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A computational study has been performed to investigate the effects of blade row interaction on the performance of radial turbomachines, which was motivated by the need to improve our understanding of the blade row interaction phenomena for further improvement in the performance. High-speed centrifugal compressor stages with three settings of radial gap are configured and simulated using a three-dimensional Navier-Stokes flow method in order to investigate the impact of blade row interaction on stage efficiency. The performance predictions show that the efficiency deteriorates if the gap betwe
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Gupta, Manoj Kumar. "Bulk-Flow analysis for force and moment coefficients of a shrouded centrifugal compressor impeller." Texas A&M University, 2005. http://hdl.handle.net/1969.1/2470.

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An analysis is developed for a compressible bulk-flow model of the leakage path between a centrifugal compressor's impeller shroud and housing along the front and back side of the impeller. This is an extension of analysis performed first by Childs (1989) for a shrouded pump impeller and its housing considering an incompressible fluid, and then later by Cao (1993) using a compressible bulk flow model for the shroud of a cryogenic fluid pump. The bulk-flow model is used to develop a reaction force and moment model for the shroud of a centrifugal compressor by solving the derived governing equat
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33

Christou, George Alexander. "Fluid mechanics of ported shroud centrifugal compressor for vehicular turbocharger applications." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/101492.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Aeronautics and Astronautics, 2015.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 183-187).<br>This thesis presents an investigation of the effects of Ported Shroud (PS) self-recirculating casing treatment used in turbocharger centrifugal compressors for increasing the operable range. Computed results, assessed with experimental measurements on ported and non-ported variants of a representative turbocharger compressor, are used to determine the impact of the PS on the flow field and he
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Erickson, David W. S. M. Massachusetts Institute of Technology. "Characterization of performance-limiting flow mechanisms in a centrifugal compressor stage." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/108928.

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Thesis: S.M., Massachusetts Institute of Technology, Department of Aeronautics and Astronautics, 2017.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 269-270).<br>This research characterizes the performance of a centrifugal compressor stage with a special focus on the pipe diffuser. Two diffuser configurations are studied, one of which is a truncated version of the other. Experimental data acquired on a research compressor stage is interrogated along with a set of well-designed Reynolds-Averaged Navier Stokes computations, complemented by reduced order f
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35

Van, der Merwe Bosman Botha. "Design of a centrifugal compressor impeller for micro gas turbine application." Thesis, Stellenbosch : Stellenbosch University, 2012. http://hdl.handle.net/10019.1/71610.

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Thesis (MScEng)--Stellenbosch University, 2012.<br>ENGLISH ABSTRACT: The use of micro gas turbines (MGTs) for the propulsion of unmanned aerial vehicles (UAVs) has become an industry standard. MGTs offer better performance vs. weight than similar sized, internal combustion engines. The front component of an MGT serves the purpose of compressing air, which is subsequently mixed with a fuel and ignited to both power the turbine which drives the compressor, and to produce thrust. Centrifugal compressors are typically used because of the high pressure ratios they deliver per stage. The purpo
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De, Villiers Lodewyk Christoffel Barend. "Design of a centrifugal compressor for application in micro gas turbines." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/96052.

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Thesis (MEng)--Stellenbosch University, 2014.<br>ENGLISH ABSTRACT: This thesis details the methodology for developing a centrifugal compressor for application in a Micro Gas Turbine (MGT). This research forms part of a larger project, namely project Ballast, initiated by the South African Air Force (SAAF) in conjunction with Armscor. The methodology encompasses the development of a mean-line code that makes use of 1-dimensional theory in order to create an initial centrifugal compressor geometry which includes a rotor as well as radial vaned diffuser. This is followed by a Computational Fluid
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Clements, W. W. "A theoretical and experimental study of diffusion levels in centrifugal compressor stages." Thesis, Queen's University Belfast, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.383780.

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38

Campos, André Perpignan Viviani de. "Desenvolvimento de um compressor radial para turbina a gás de pequeno porte." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/3/3150/tde-24122013-111621/.

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O desenvolvimento de tecnologia na área de turbomáquinas é essencial ao desenvolvimento da indústria nacional e o Laboratório de Engenharia Ambiental e Térmica da Escola Politécnica da Universidade de São Paulo tem compreendido ações para este propósito. Este trabalho tem por objetivo desenvolver um compressor para uma turbina a gás de pequeno porte de 500 kW, primeiro passo para o projeto e construção da turbina como um todo. A partir da análise do ciclo termodinâmico e da análise de adimensionais, o tipo de compressor a ser utilizado foi determinado. Optou-se pelo projeto de um compressor ce
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39

Mele, Erik. "Wet Gas Compressor Performance : A Numerical Investigation of Thermal-Equilibrium in a Centrifugal Compressor Exposed to Wet Gas." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for energi- og prosessteknikk, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-18533.

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Wet gas compression and subsea compression technology has gained increased focus in the recent years. With aging fields on the Norwegian continental shelf and new discoveries in arctic regions, subsea compression could boost aging gas fields and make remote fields profitable where extraction is difficult. Wet-gas compression could reduce the need for expensive scrubbers and separators and this would be a major economic enhancement to subsea processing. There is currently no standard for wet gas compression as the ASME PTC 10 [1] offers no guidance on this. The complex phenomena encountered in
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40

Ceylanoglu, Arda. "An Accelerated Aerodynamic Optimization Approach For A Small Turbojet Engine Centrifugal Compressor." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/12611371/index.pdf.

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Centrifugal compressors are widely used in propulsion technology. As an important part of turbo-engines, centrifugal compressors increase the pressure of the air and let the pressurized air flow into the combustion chamber. The developed pressure and the flow characteristics mainly affect the thrust generated by the engine. The design of centrifugal compressors is a challenging and time consuming process including several tests, computational fluid dynamics (CFD) analyses and optimization studies. In this study, a methodology on the geometry optimization and CFD analyses of the centrifugal co
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41

Erickson, Christopher Erik. "Centrifugal compressor modeling development and validation for a turbocharger component matching system." Thesis, Manhattan, Kan. : Kansas State University, 2008. http://hdl.handle.net/2097/749.

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42

Coppinger, Miles. "Aerodynamic performance of an industrial centrifugal compressor variable inlet guide vane system." Thesis, Loughborough University, 1999. https://dspace.lboro.ac.uk/2134/7263.

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Industrial centrifugal air compressors can require a combination of a large range of mass flow, high efficiency, constant pressure ratio, and constant rotational speed, specifically when used for sewage effluent aeration treatment. In order to achieve this performance it is common to use variable inlet guide vanes (VIGV's). The performance characteristics of an existing VIGV design have been determined using both an experimental test facility and state of art numerical techniques. The results obtained from these techniques are far more comprehensive than earlier fullscale performance testing.
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43

Kurauchi, Sandro Kojiro. "Design and off-design analysis of a centrifugal compressor for natural gas." Instituto Tecnológico de Aeronáutica, 2012. http://www.bd.bibl.ita.br/tde_busca/arquivo.php?codArquivo=2102.

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Centrifugal is the main compressor type used in process industries and pipelines. This work presents the design of a centrifugal compressor in three steps. The first step is the preliminary design that has an unidimensional treatment and is heavily based on empirical data. Then, using the quasi-ortogonals method, the flow in the meridional plane of the impeller channel is analysed and the blade geometry improved. The last step consists of the compressor flow analysis through Computational Fluid Dynamics (CFD) techniques using a commercial software in order to verify any deficiencies in the me
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44

Venter, Johan. "Development of a dynamic centrifugal compressor selector for large compressed air networks in the mining industry / Johan Venter." Thesis, North-West University, 2012. http://hdl.handle.net/10394/9540.

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Various commercial software packages are available for simulating compressed air network operations. However, none of these software packages are able to dynamically prioritise compressor selection on large compressed air networks in the mining industry. In this dissertation, a dynamic compressor selector (DCS) will be developed that will actively and continuously monitor system demand. The software will ensure that the most suitable compressors, based on efficiency and position in the compressed air network, are always in operation. The study will be conducted at a platinum mine. Compressed a
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Shirley, Gregory B. (Gregory Brenton) 1975. "An experimental investigation of a low Reynolds number, high Mach number centrifugal compressor." Thesis, Massachusetts Institute of Technology, 1998. http://hdl.handle.net/1721.1/9665.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1998.<br>Includes bibliographical references (p. 119-120).<br>Experiments were performed on a super-scale test facility to study the performance of very small centrifugal compressors suitable for microfabrication. ThE test facility was 75 times larger than the full-scale device and operated under 17/5 atmospheric pressure conditions to correctly match the Reynolds number, which is about 20,000. The impeller tip speed of the test facility matched those in the design full-scale device to capture the effe
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Walton, Edward James. "Forced response of a centrifugal compressor stage due to the impeller-diffuser interaction." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/87485.

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Thesis: S.M., Massachusetts Institute of Technology, Department of Aeronautics and Astronautics, 2014.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 135-136).<br>The unsteady pressure field experienced by a centrifugal compressor stage can be dominated by of the impeller-diffuser interaction. The energy of the unsteady field, under certain aerodynamic and structural conditions, is capable of forcing the rotating impeller blades to vibrate excessively to the point of failure, better known as a high cycle fatigue (HCF) failure. This thesis seeks to identi
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KIM, HYUNSU. "DEVELOPMENT OF A PROGNOSIS METHOD FOR JOURNAL BEARING FAILURES IN CENTRIFUGAL AIR COMPRESSOR." University of Cincinnati / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1148314488.

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Загорулько, Андрій Васильович, Андрей Васильевич Загорулько, Andrii Vasylovych Zahorulko, Ю. Ю. Слабко та В. Н. Билаш. "Оптимизация гидродинамических характеристик лабиринтных и лунковых уплотнений центробежного компрессора". Thesis, Изд-во СумГУ, 2010. http://essuir.sumdu.edu.ua/handle/123456789/5863.

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Калінкевич, Микола Васильович, Николай Васильевич Калинкевич, Mykola Vasylovych Kalinkevych, А. В. Смирнов та А. А. Обухов. "Экспериментальное исследование эффективности высоконапорной центробежной ступени". Thesis, Изд-во СумГУ, 2011. http://essuir.sumdu.edu.ua/handle/123456789/7563.

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Калініченко, Павло Михайлович, Павел Михайлович Калиниченко, Pavlo Mykhailovych Kalinichenko та А. В. Супрун. "Статический расчет гидропяты с учетом вращения жидкости в торцовом зазоре и диффузорности торцового канала". Thesis, Изд-во СумГУ, 2010. http://essuir.sumdu.edu.ua/handle/123456789/5885.

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