Flow instabilities in gas turbine chute seals

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August undefined, 2024

WebJun 17, 2024 · The fluid flow in gas turbine rim seals and the sealing effectiveness are influenced by the interaction of the rotor and the stator disk and by the external flow … WebMar 3, 2015 · To examine the simplified model to predict the ingress flow rate which was formerly proposed by the authors, the scaling characteristics of a shrouded rotor-stator system with a nonaxisymmetric main flow is studied using gas concentration measurements in the wheel-space. The predicted value for the sealing effectiveness as well as the …

Flow Instabilities in Gas Turbine Chute Seals

http://www.diva-portal.org/smash/record.jsf?pid=diva2:1414986 WebN2 - This paper investigates flow instabilities inside the cavity formed between the stator and rotor disks of a high-speed turbine rig. The cavity rim seal is of chute seal design. The influence of flow coefficient on the sealing effectiveness at constant purge flow rate through the wheel-space is determined. smallpox is what type of biological agent

Investigation of Flow Instabilities Near the Rim Cavity of a 1.5 …

WebThis paper investigates flow instabilities inside the cavity formed between the stator and rotor disks of a high-speed turbine rig. The cavity rim seal is of chute seal design. Webrotor blades of high pressure gas turbine stage design, and a chute seal at the periphery of the wheel-space between the rotor and the stator. The turbine receives the inlet ﬂow from a screw compressor achieving a maximum pressure of 4 bar(a) at a nominal annular mass-ﬂow rate of 4.7 kg/s. Figure 1 is a sectional view of the Webtitle = "Flow Instabilities in Gas Turbine Chute Seals", abstract = "The ingress of hot annulus gas into stator-rotor cavities is an important topic to engine designers. Rim … hilb oracle

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Flow Instabilities in Gas Turbine Chute Seals GT - ASME

WebJun 17, 2024 · This paper presents experimental and computational results using a 1.5-stage test rig designed to investigate the effects of ingress through a double radial overlap rim-seal. The effect of the vanes and blades on ingress was investigated by a series of carefully controlled experiments: first, the position of the vane relative to the rim seal was … WebThe ingress of hot annulus gas into stator-rotor cavities is an important topic to engine designers. Rim-seals reduce the pressurized purge required to protect highly stressed … smallpox is what type of diseaseWebThis paper investigates flow instabilities inside the cavity formed between the stator and rotor disks of a high-speed turbine rig. The cavity rim seal is of chute seal design. The … hilb oracle bull

"WebThe ingress of hot annulus gas into stator-rotor cavities is an important topic to engine designers. Rim-seals reduce the pressurised purge required to protect highly-stressed … " - Flow instabilities in gas turbine chute seals

Flow instabilities in gas turbine chute seals

Flow instability effects related to purge through a gas …

WebThis paper investigates flow instabilities inside the cavity formed between the stator and rotor disks of a high-speed turbine rig. The cavity rim seal is of chute seal design. from … WebNov 5, 2024 · Abstract. The ingress of hot annulus gas into stator-rotor cavities is an important topic to engine designers. Rim-seals reduce the pressurised purge required to …

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WebFeb 1, 2024 · The ingress of hot annulus gas into stator–rotor cavities is an important topic to engine designers. Rim-seals reduce the pressurized purge required to protect highly stressed components. This paper describes an experimental and computational study of … WebFeb 16, 2010 · The present paper gives a contribution to a better understanding of the flow at the rim and in the wheel space of gas turbines. Steady state and time-accurate numerical simulations with a commercial Navier-Stokes solver for a 1.5 stage turbine similar to the model treated in the European Research Project ICAS-GT were conducted. In the …

WebThe ingress of hot annulus gas into stator-rotor cavities is an important topic to engine designers. Rim-seals reduce the pressurised purge required to protect highly-stressed components. This paper describes an experimental and computational study of flow through a turbine chute seal. The computations – which include a 360º domain - WebSep 9, 2024 · This paper investigates flow instabilities inside the cavity formed between the stator and rotor disks of a high-speed turbine rig. The cavity rim seal is of chute seal …

WebAug 24, 2024 · Abstract. This paper investigates flow instabilities inside the cavity formed between the stator and rotor disks of a high-speed turbine rig. The cavity rim seal is of … WebJun 11, 2012 · In core gas turbines relatively cold air is purged through the hub gap between stator and rotor in order to seal the disc space against flow ingestion from the main annulus. Although the sealing mass flow rate is commonly very small compared to the main annulus mass flow rate, it can have significant effects on the development of the …

WebThis paper investigates ﬂow instabilities inside the cavity formed between the stator and rotor disks of a high-speed turbine rig. The cavity rim seal is of chute seal design. The …

WebDOI: 10.1115/1.4045148 Corpus ID: 203078678; Flow Instabilities in Gas Turbine Chute Seals @article{Horwood2024FlowII, title={Flow Instabilities in Gas Turbine Chute Seals}, author={Joshua T. Horwood and Fabian Patricio Hualca Tigsilema and Michael T. Wilson and James A Scobie and Carl M. Sangan and Gary D. Lock and Johan Dahlqvist and … hilb intranethttp://www.diva-portal.org/smash/record.jsf?pid=diva2:1423615 smallpox islandWebDec 4, 2012 · Measurement of ingress through gas turbine rim seals. PhD Thesis, University of Bath, UK, 2011. Google Scholar. 25. Laitone EVNew compressibility correction for two-dimensional subsonic flowJ Aeronaut Sci1951185350–350. ... Flow Instabilities in Gas Turbine Chute Seals. Go to citation Crossref Google Scholar. hilb group operating company llcWebNov 5, 2024 · Abstract. The ingress of hot annulus gas into stator-rotor cavities is an important topic to engine designers. Rim-seals reduce the pressurised purge required to … hilb one placeWebAug 30, 2024 · In high-pressure turbines, cool air is purged through rim seals at the periphery of wheel-spaces between the stator and rotor discs. The purge suppresses the ingress of hot gas from the annulus but superfluous use is inefficient. In this paper the interaction between the ingress, purge and mainstream flow is studied using unsteady … hilb north carolinaWebOct 13, 2024 · This paper presents WMLES simulations of a chute type turbine rim seal. Configurations with an axisymmetric annulus flow and with nozzle guide vanes fitted (but without rotor blades) are considered. smallpox isolation precautionWebOct 1, 2015 · Mike Wilson is a Senior Lecturer in Mechanical Engineering and the Director of Undergraduate Studies in the Department. His research involves the computation of internal flow and heat transfer, mainly for rotating disc systems relevant to the internal cooling air systems used in gas turbine engines. Dr Wilson obtained a BSc (Hons) in Pure ... hilb rogal \\u0026 hobbs company