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Keywords: thermocouples
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Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2018, 140(10): 101601.
Paper No: GTP-18-1127
Published Online: June 19, 2018
... . Manuscript received March 13, 2018; final manuscript received April 12, 2018; published online June 19, 2018. Editor: David Wisler. 13 03 2018 12 04 2018 Combustion Flame Gas turbine technology Modeling Reliability Thermocouples The penetration of intermittent renewable...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2018, 140(3): 032501.
Paper No: GTP-16-1232
Published Online: October 17, 2017
...: Jerzy T. Sawicki. 19 06 2016 11 07 2017 Convective heat transfer Finite element methods Heat transfer Mixed Convection Temperature Thermocouples Thermodynamics Jet engines are fitted with bearings which ensure efficient transmission of the mechanical power...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2017, 139(12): 121601.
Paper No: GTP-16-1477
Published Online: August 16, 2017
... of sensors and actuators of the system. In this study, in order to measure the transfer function, physical and actual characteristics of the system were applied. Depending on the type of thermocouples (TCs) used, their activation time was eliminated using a lead compensator. In modeling of the system...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2017, 139(10): 102808.
Paper No: GTP-17-1075
Published Online: May 9, 2017
... are collected over 400 consecutive cycles. These measurements are collected using the triaxial J-type thermocouple described in more detail in the manufacturer's documentation [ 21 ]. The probe's time constant is on the order of ∼10 −6 s. Fig. 11 Raw sub-TBC temperature measurements for 400 consecutive...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2017, 139(3): 031903.
Paper No: GTP-16-1241
Published Online: October 4, 2016
... ], the temperature measurements were conducted both at nominal regime and during natural cooling. Besides wall temperature measurements by thermocouples, also the rotor temperature was measured by optical probes and further described in Ref. [ 3 ]. Figure 22 shows the measurement locations used for validation...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2017, 139(3): 032502.
Paper No: GTP-16-1320
Published Online: October 4, 2016
... of the Institute of Jet Propulsion and Turbomachinery—TU Braunschweig, Germany, enabling temperature measurements in the rotor body under stationary and transient operation in steam by using rotor-integrated thermocouples. Within this paper, the development of the instrumented new rotor design and all relevant...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2016, 138(8): 081601.
Paper No: GTP-15-1536
Published Online: March 15, 2016
...Michele Scervini Recent progress on the new nickel-based thermocouples for high-temperature applications developed at the Department of Materials Science and Metallurgy in the University of Cambridge is described in this paper. Isothermal drift at temperatures above 1000 °C as a function...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2016, 138(6): 061502.
Paper No: GTP-15-1381
Published Online: November 17, 2015
... fuel gas is simulated using air jets with temperatures of about 25 °C. Temperature has been used as a scalar to measure the mixing of the jets with the cross-flow. The mixture temperatures were measured using thermocouples while Pitot probes were used to obtain local velocity measurements...
Journal Articles
Article Type: Technical Briefs
J. Eng. Gas Turbines Power. April 2012, 134(4): 044501.
Published Online: January 18, 2012
... module. This assessment required measurements be taken within the engine, during operation up to maximum power, using rotor mounted thermocouples and strain gauges. The acquisition of this data necessitated the use of a telemetry system that could be integrated into the existing engine architecture...
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. July 2010, 132(7): 072805.
Published Online: April 19, 2010
..., direct-injection spark-ignition engine, with the fuel injector located between the two intake valves. Negative temperature swings were observed at three piston locations during early injection, thus confirming the ability of fast-response thermocouples to capture the effects of impingement and heat loss...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. April 2005, 127(2): 257–267.
Published Online: April 15, 2005
... of an aeroengine. Three-component laser Doppler velocimeter measurements were made to quantify the velocity field while a rake of thermocouples was used to quantify the thermal field. The results indicate large penetration depths for the high momentum dilution jets, which result in a highly turbulent flow field...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. January 2006, 128(1): 128–134.
Published Online: March 1, 2004
..., Re ϕ , between 4 × 10 5 and 3.2 × 10 6 . Velocity measurements inside the rotating cavity were made using laser Doppler anemometry, and temperatures and heat flux measurements on the heated disk were made using thermocouples and fluxmeters. The velocity measurements were consistent with a three...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. October 2000, 122(4): 659–663.
Published Online: January 3, 2000
... when compared with present sensor technology. These stabilized type K and E thermocouples are superior to existing standard non-stabilized thermocouples because they are not prone to the typical aging effects in the 400 to 600°C (752 to 1112°F) temperature range that can result in measurements errors...