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Keywords: sensors
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Journal Articles
Article Type: Research Papers
J. Turbomach. November 2022, 144(11): 111007.
Paper No: TURBO-21-1225
Published Online: July 21, 2022
... of the gas turbine. Furthermore, additional temperature sensors were installed in the area of the flame tube to record the material temperature. An overview of the instrumentation in this area is shown in Fig. 4 . Here, it can be seen that material temperatures were measured on the outer surface at five...
Journal Articles
Article Type: Research Papers
J. Turbomach. July 2010, 132(3): 031002.
Published Online: March 24, 2010
... profile. The relative magnitude of the localized overspeeds varies significantly over the wide range of stator flow incidence investigated. The unsteady boundary layer behavior on the stator is studied using a midspan array of surface-mounted hot-film sensors. On the suction surface, wake-induced...
Journal Articles
Article Type: Research Papers
J. Turbomach. July 2008, 130(3): 031014.
Published Online: May 5, 2008
... test case models a highly loaded, high pressure gas turbine stage. Measurements conducted with a two-sensor fast-response aerodynamic probe have provided data describing the time-resolved behavior of flow angles and pressures, as well as turbulence intensity in the exit plane of the rotor. Cooling air...
Journal Articles
Article Type: Technical Papers
J. Turbomach. January 2003, 125(1): 155–164.
Published Online: January 23, 2003
.... 03 June 2002 04 March 2002 23 01 2003 gas turbines rotational flow vibrations sensors optimisation strain gauges Sensor Placement Strain Measurement Blade Vibration Optimization Strain Gage Measuring vibrations of turbomachine blades is a substantially harder...
Journal Articles
Article Type: Technical Papers
J. Turbomach. July 2002, 124(3): 385–392.
Published Online: July 10, 2002
... are to show that high-lift and ultra-high-lift concepts have been successfully incorporated into the design of these new LP turbine profiles. Measurements from surface mounted hot film sensors were made in full size, cold flow test rigs at the altitude test facility at Stuttgart University. The LP turbine...
Journal Articles
Article Type: Technical Papers
J. Turbomach. January 2002, 124(1): 27–35.
Published Online: January 1, 2002
...Franco Blanchini; Pietro Giannattasio; Diego Micheli; Piero Pinamonti The present paper considers the suppression of surge instability in compression systems by means of active control strategies based on a high-gain approach. A proper sensor-actuator pair and a proportional controller are selected...
Journal Articles
Article Type: Technical Papers
J. Turbomach. July 2001, 123(3): 461–463.
Published Online: July 1, 2001
...Konrad Vogeler,; Ronald Mailach, and; Ingolf Lehmann gas turbines compressors rotational flow vortices vibrations noise sensors laser Doppler anemometry pressure measurement The authors thank Prof. Cumpsty for his critical comments. After the discussion in Munich (ASME Turbo...
Journal Articles
Article Type: Technical Papers
J. Turbomach. July 2000, 122(3): 425.
Published Online: July 1, 2000
... of passive turbulence generators. The inlet turbulence level was measured with a one-dimensional hot-film sensor, leading to an inlet turbulence level of Tu 1 = 2 percent at low Reynolds numbers and Tu 1 = 3.5 percent at high Reynolds numbers. gas turbines compressors...
Journal Articles
Article Type: Technical Papers
J. Turbomach. October 2001, 123(4): 823–829.
Published Online: February 1, 2000
..., 2000. Manuscript received by the International Gas Turbine Institute February 2000. Paper No. 2000-GT-614. Review Chair: D. Ballal. 01 February 2000 gas turbines compressors sensors pressure measurement temperature measurement coatings oxygen transonic flow flow simulation wind...
Journal Articles
Article Type: Technical Papers
J. Turbomach. July 2001, 123(3): 453–460.
Published Online: February 1, 2000
... is to show that the fluctuation of the blade tip vortex is responsible for the origination of this flow phenomenon. RIs have been found at operating points near the stability limit of the compressor with relatively large tip clearance of the rotor blades. The application of time-resolving sensors in both...
Journal Articles
Article Type: Technical Papers
J. Turbomach. July 2000, 122(3): 485–493.
Published Online: February 1, 1999
...E. B. Nelson; J. D. Paduano; A. H. Epstein Active stabilization of surge was implemented on an Allied Signal LTS-101 axicentrifugal gas producer, reducing the surging mass flow by 1 percent, for an operating range increase of 11 percent. Control was achieved using high-response sensors in the inlet...
Journal Articles
Article Type: Technical Papers
J. Turbomach. July 2000, 122(3): 505–516.
Published Online: February 1, 1999
..., the following topics are addressed: • Probe technology : Miniature probes with tip diameter ranging from 0.84 to 1.80 mm (one-sensor and three-sensor probes, respectively) have been developed. New technologies derived from microelectronics and micromechanics have been used to achieve an adequate packaging...