1-20 of 43
Keywords: Temperature
Close
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2021, 143(3): 031022.
Paper No: GTP-20-1701
Published Online: February 24, 2021
...Christopher Zeh; Ole Willers; Thomas Hagemann; Hubert Schwarze; Jörg Seume While turbocharging is a key technology for improving the performance and efficiency of internal combustion engines, the operating behavior of the turbocharger is highly dependent on the rotor temperature distribution...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2019, 141(1): 011005.
Paper No: GTP-18-1283
Published Online: September 14, 2018
... q = heat flux Q ˙ = rate of heat flow Re = Reynolds-number r = radius s = specific entropy t = time T = temperature T ¯ = surface average temperature u = circumferential velocity V = volume w...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2019, 141(1): 012501.
Paper No: GTP-18-1225
Published Online: August 31, 2018
... the high-pressure compressor, and this cooling air is also used to reduce the ingress. The engine designer needs to predict the stator and rotor temperatures as a function of cooling-flow rate. The sealing effectiveness determines how much air is needed to reduce or prevent ingress; although...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2018, 140(12): 122501.
Paper No: GTP-18-1005
Published Online: August 6, 2018
... , density, ρ , and viscosity, μ , can be calculated using the above equations. The instantaneous values for temperature, T , and enthalpy, h , can be calculated with the assistance of the functions T P , s , and h P , s offered in REFPROP, which can be linked...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2018, 140(12): 122602.
Paper No: GTP-18-1041
Published Online: August 6, 2018
...Clare Bonham; Mark Brend; Adrian Spencer; Katsu Tanimizu; Dylan Wise Steady-state stagnation temperature probes are used during gas turbine engine testing as a means of characterizing turbomachinery component performance. The probes are located in the high-velocity gas-path, where temperature...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2018, 140(11): 112807.
Paper No: GTP-18-1205
Published Online: July 9, 2018
...). A three-dimensional computational fluid dynamics (3D CFD) model was developed using CONVERGE CFD coupled with detailed chemical kinetics to gain a better understanding of the underlying phenomena of the water injection event in a homogeneous, low temperature combustion (LTC) strategy. The CFD model...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2018, 140(11): 112805.
Paper No: GTP-18-1131
Published Online: July 9, 2018
... react with ammonia (NH 3 ) to form nitrogen and water vapor. The reaction is influenced by several variables, including stored ammonia on the catalyst, exhaust gas composition, and catalyst temperature. Currently, measurements from NO x and/or NH 3 sensors upstream and downstream of the SCR are used...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2018, 140(9): 091503.
Paper No: GTP-17-1607
Published Online: May 24, 2018
... by an industrial lean premixed, axial swirl fuel nozzle. Planar particle image velocimetry (PIV) data were analyzed to understand the characteristics of the flow field. Liner surface temperatures were measured in reacting condition with an infrared camera for a single case. Experiments were conducted at Reynolds...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2018, 140(8): 082101.
Paper No: GTP-17-1423
Published Online: April 11, 2018
...Masahiro Negami; Shinya Hibino; Akihito Kawano; Yoshimichi Nomura; Ryozo Tanaka; Kenichiroh Igashira Durability of thermal barrier coating (TBC) systems is important because of recent rising of turbine inlet temperature (TIT) for improved efficiency of industrial gas turbine engines. However, high...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2018, 140(6): 061507.
Paper No: GTP-15-1516
Published Online: February 27, 2018
.... The piston maximun temperature (PMT) of the dual fuel engine easily exceeds the security border. In view of this, this paper proposes a method based on the lasso regression to estimate the PMT of the dual fuel engine, so as to real-timely monitor the health state of the dual fuel engine. Specifically, PMTs...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2018, 140(5): 051601.
Paper No: GTP-17-1295
Published Online: December 27, 2017
... = signal generator voltage Z leak = leakage impedance Z load = load resistor impedance Z sensor = sensor electrode impedance Δ T = relative temperature difference In future work, using a calibration method such as a needle contact probe will improve the probes...
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
... for predicting temperatures and heat transfers for other bearing models. The result of the analysis shows that the predictions of the TN are considerate, despite the simplifications. However, lower relative errors were obtained in the FE model compared to the TN model. For both methods, the highest relative...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2018, 140(2): 022601.
Paper No: GTP-16-1514
Published Online: October 3, 2017
... the engineered design of solid–solid and liquid–solid interfaces in dissimilar functionalized materials to establish a paradigm shift toward science from the traditional empiricism in engineering TBCs and high temperature highly loaded bulk materials. An integrated approach of modeling and simulation...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2017, 139(12): 121504.
Paper No: GTP-17-1247
Published Online: August 29, 2017
..., NY 12309. Manuscript received July 1, 2017; final manuscript received July 3, 2017; published online August 29, 2017. Editor: David Wisler. 01 07 2017 03 07 2017 Combustion Combustors Experimental Flame Swirling Temperature Thermoacoustics Rayleigh integral...
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
...Ryan O'Donnell; Tommy Powell; Mark Hoffman; Eric Jordan; Zoran Filipi Thermal barrier coatings (TBCs) applied to in-cylinder surfaces of a low temperature combustion (LTC) engine provide an opportunity for enhanced efficiency via two mechanisms: (i) positive impact on thermodynamic cycle efficiency...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2017, 139(10): 102807.
Paper No: GTP-17-1064
Published Online: May 9, 2017
..., showed an increased burn duration at higher iEGR levels. When comparing PRF40 to gasoline at fixed combustion phasing and iEGR level, the increased HRR for PRF40 was correlated with reduced intake valve closing (IVC) temperatures. To examine the impact of thermal gradients (as distinct from fuel...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2017, 139(9): 091502.
Paper No: GTP-16-1518
Published Online: April 11, 2017
... a temperature gradient across the thickness of a CMC specimen while holding the specimen at its two extremities, which simulates the bending stress that would be observed at the center of a combustor panel. Preliminary validation tests were performed in which A-N720 oxide–oxide CMC specimens were heated...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2017, 139(8): 081901.
Paper No: GTP-16-1239
Published Online: March 28, 2017
...Gregoire Witz; Markus Schaudinn; Joerg Sopka; Tobias Buecklers Continuously increasing hot gas temperatures in heavy duty gas turbines lead to increased thermal loadings of the hot gas path materials. Thermal barrier coatings (TBCs) are used to reduce the superalloys temperature and cooling air...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2017, 139(7): 072603.
Paper No: GTP-16-1472
Published Online: February 14, 2017
...Julien Pohl; Harvey M. Thompson; Ralf C. Schlaps; Shahrokh Shahpar; Vincenzo Fico; Gary A. Clayton At present, it is a common practice to expose engine components to main annulus air temperatures exceeding the thermal material limit in order to increase the overall engine performance...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2017, 139(5): 051901.
Paper No: GTP-16-1330
Published Online: January 4, 2017
... temperature. A systematic parametric study is presented giving insight into the influence of number of bolts, mass flow rate, cavity gap ratio, and the bolts-to-shroud gap ratio on the time-dependent flow within the cavity. 1 Corresponding author. Contributed by the Heat Transfer Committee of ASME...