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1-8 of 8
Keywords: natural convection
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Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2025, 147(1): 011026.
Paper No: GTP-24-1407
Published Online: October 25, 2024
...Ali Haghiri; Xiaowei Xu; Richard D. Sandberg; Koichi Tanimoto; Takuo Oda This study presents data-driven modeling of the Reynolds stress tensor and turbulent heat flux vector for improving unsteady Reynolds-averaged Navier–Stokes (RANS) predictions of natural convection problems. While RANS-based...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2025, 147(3): 031011.
Paper No: GTP-24-1438
Published Online: October 4, 2024
...Zixiang Sun; Dario Amirante; Christopher J. Barnes; Nicholas J. Hills; Daniel Fahy A transient simulation of shutdown cooling for a gas turbine test rig configuration under ventilated natural convection has been successfully demonstrated using a coupled aerothermal approach. Large eddy simulation...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2018, 140(1): 012605.
Paper No: GTP-17-1306
Published Online: September 26, 2017
... is typically in hours, but on the other hand, the time-step sizes typically usable tend to be very small (subseconds) due to the numerical stability requirement for natural convection as often observed. An issue of interest is: What time-step sizes can and should be used in terms of stability as well...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2017, 139(11): 111201.
Paper No: GTP-16-1568
Published Online: June 21, 2017
... December 5, 2016; final manuscript received May 21, 2017; published online June 21, 2017. Assoc. Editor: Liang Tang. 05 12 2016 21 05 2017 Aeronautical propulsion Aerospace applications Engines Heat transfer Natural convection Component maintenance Component operations Aerospace...
Journal Articles
Publisher: ASME
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 overall validity of the approach was tested against several machines and presented in Ref. [ 10 ]. The above method was shown to be accurate for transient turbine operation. However, it is based on a function which does not distinguish between thermal radiation, natural convection, or forced...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2015, 137(11): 112601.
Paper No: GTP-14-1384
Published Online: November 1, 2015
.... Finite element Heat transfer Mass Transfer Natural convection Power Radiation Temperature Thermodynamics Turbines Unsteady Co- generation The temperature drop during natural cooling and the way in which the steam turbine restarts have a major impact on the cyclic lifetime of critical...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2009, 131(3): 032902.
Published Online: February 13, 2009
.... A. , Robinson , C. W. , and Moo-Young , M. , 1984 , “ Liquid Circulation and Mixing Characteristics of Airlift Contactors ,” Can. J. Chem. Eng. 0008-4034 , 62 ( 5 ), pp. 573 - 577 . fission reactor coolants fission reactor cooling fission reactor core control natural convection thermal...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 2009, 131(1): 012906.
Published Online: October 2, 2008
... play an important role during natural convection with the ECC injection in PWR and should be also considered in pressurized thermal shock scenarios. ANSYS CFX was able to predict the observed flow patterns and mixing phenomena quite well. Figure 4 (lowercase) shows the experiment E6, carried out...