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Keywords: temperature measurement
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Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2012, 134(3): 032402.
Published Online: January 9, 2012
... induced by a different choice of the total temperature measurement section. With this goal in mind, the study focused on the analysis of a commonly found discrepancy between the measurements at the impeller outlet section and at the stage exit section. Based on the experimental data collected...
Journal Articles
Article Type: Technical Briefs
J. Eng. Gas Turbines Power. February 2012, 134(2): 024501.
Published Online: December 8, 2011
...Tae Ho Kim; Jin Woo Song; Yong-Bok Lee; Kyuho Sim Identifying thermal characteristics of gas foil bearings (GFBs) provides an insight for successful implementation into high speed oil-free turbomachinery. The paper presents temperature measurements of a bump type GFB floating on a hollow shaft...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. November 2011, 133(11): 111503.
Published Online: May 19, 2011
... condition of 463 km/h (250 kn) at 7620 m (25,000 ft) by matching Mach number, equivalence ratio, and Sauter mean diameter of the fuel spray. Using a thermocouple rake, high resolution temperature measurements were obtained in the combustion chamber exit plane. Following the previously published procedures...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. June 2011, 133(6): 062501.
Published Online: February 17, 2011
... II) compares the measured bearing temperatures and the rotor response amplitudes to predictions. cooling gas turbines machine bearings rotors shafts temperature measurement Gas foil bearings (GFBs) enable microturbomachinery (MTM) operating at extreme conditions in rotational speed...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. April 2007, 129(2): 326–330.
Published Online: June 28, 2006
.... 12 06 2006 28 06 2006 porous materials foams convection hydrodynamics pressure measurement temperature measurement Cast or foamed materials, such as porous carbon foam, typically have an open, interconnected void structure that enables fluid exposure to internal surface...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. April 2005, 127(2): 375–382.
Published Online: April 15, 2005
... swirling flow boundary layer turbulence rotors stators liquid crystals Fourier series heat transfer temperature measurement Preswirl nozzles are often used in gas turbines to deliver the cooling air to the turbine blades, as illustrated in Fig. 1 . The stationary nozzles swirl the cooling...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. October 2004, 126(4): 809–815.
Published Online: November 24, 2004
... holes. The authors took advantage of small cylindrical stagnation pressure probes which were modified to accomplish temperature measurements. The recovery factors of these instruments were determined to be better than 85% for the relevant test cases and therefore, found to provide for the desired...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. July 2005, 127(3): 472–477.
Published Online: August 10, 2004
... two-color thermometry principle. The technique utilized a charge coupled device camera and optical filters having either wide or narrow wavelength bandpass filters. The results obtained were compared to evaluate the accuracy of the temperature measurements. The 2D emissivity distributions were also...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. October 2006, 128(4): 745–753.
Published Online: May 3, 2004
.... temperature distribution flames furnaces video cameras temperature measurement thermometers air pollution control nitrogen compounds energy conservation steel industry 29 08 2003 03 05 2004 Email: levy@aerodyne.technion.ac.il 2006 American Society of Mechanical Engineers ...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. July 2003, 125(3): 624–633.
Published Online: August 15, 2003
.... 03 June 2002 01 December 2001 01 March 2002 15 08 2003 gas turbines least squares approximations fault diagnosis measurement errors flow measurement temperature measurement pressure measurement Data analysis seeks to determine the health of an engine and, when...
Journal Articles
Article Type: Article
J. Eng. Gas Turbines Power. January 2003, 125(1): 326–331.
Published Online: December 27, 2002
... flame temperature and temperature fluctuations has been determined by analyzing the spectra of spontaneous emission from the C 2 radicals. Hancock , R. D. , Bertagnolli , K. E. , and Lucht , R. P. , 1997 , “ Nitrogen and Hydrogen CARS Temperature Measurements in a Hydrogen/Air Flame...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. July 2002, 124(3): 528–533.
Published Online: June 19, 2002
...J. R. Markham; H. M. Latvakoski; S. L. F. Frank; M. Lu¨dtke Advanced thermal barrier coatings (TBCs) are increasingly being used in high-performance turbine engines. For optimized use of the coatings, accurate surface temperature measurements are required in the combustion environment. Current...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. July 2001, 123(3): 619–626.
Published Online: November 15, 2000
... temperature measurement temperature distribution high-temperature effects The use of lean premixed combustion in a gas turbine combustor has been preferred over nonpremixed combustion by gas turbine manufacturers for achieving low NO x emission. Lean premixed combustion reduces the peak...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. April 2001, 123(2): 333–339.
Published Online: August 1, 2000
...M. De Lucia; R. De Sabato; P. Nava; S. Cioncolini This paper describes a technique for the analysis of temperature measurement data obtained by using a radiation thermometer in a heavy duty gas turbine (PGT2 from Nuovo Pignone GE). The main sources of error are shown and analyzed...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. October 2000, 122(4): 659–663.
Published Online: January 3, 2000
... to almost 2.0 percent. This increase in output also translates into significant cost savings. In addition, the stabilized thermocouples have given the turbine maintenance technicians more confidence in the accuracy of their temperature measurements and resulted in improved troubleshooting and decision...