Zobrazeno 1 - 10
of 14
pro vyhledávání: '"D. M. Kercher"'
Autor:
D. M. Kercher
Publikováno v:
International Journal of Rotating Machinery, Vol 6, Iss 5, Pp 313-319 (2000)
Film cooling for turbine airfoil leading edges has been a common practice for at least 35 years as turbine inlet gas temperatures and pressures have continually increased along with cooling air temperatures for higher engine cycle efficiency. With su
Externí odkaz:
https://doaj.org/article/029cbdbd0e52428a808c18ace98662c1
Autor:
D. M. Kercher
Publikováno v:
International Journal of Rotating Machinery, Vol 4, Iss 1, Pp 61-72 (1998)
After more than 25 years of three-dimensional film cooling experimental investigations, analytical correlations and modeling, film cooling utilizing computational fluid dynamics has emerged from a similar development-applications growth process into
Externí odkaz:
https://doaj.org/article/fd5abc904933426ab80f478ad5a53f12
Publikováno v:
Journal of Turbomachinery. 118:20-28
Experimental investigations have shown that the enhancement in heat transfer coefficients for air flow in a channel roughened with angled ribs is on the average higher than that roughened with 90 deg ribs of the same geometry. Secondary flows generat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::98bbbf994c9792da4e230f9b28531343
https://doi.org/10.1115/1.2836602
https://doi.org/10.1115/1.2836602
Publikováno v:
Journal of Turbomachinery. 116:124-132
An experimental investigation was conducted to determine the effects of variations in wall thermal boundary conditions on local heat transfer coefficients in stationary and orthogonally rotating smooth wall and two opposite-wall turbulated square cha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::568a3ab9075f23e1d59d7759280e1ab4
https://doi.org/10.1115/1.2928266
https://doi.org/10.1115/1.2928266
Publikováno v:
Journal of Turbomachinery. 113:346-353
Turbine blade cooling is imperative in advanced aircraft engines. The extremely hot gases that operate within the turbine section require turbine blades to be cooled by a complex cooling circuit. This cooling arrangement increases engine efficiency a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b8ec93fa221aed4fe5c292be8febda03
https://doi.org/10.1115/1.2927882
https://doi.org/10.1115/1.2927882
Publikováno v:
Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration.
Experimental investigations have shown that the enhancement in heat transfer coefficients for air flow in a channel roughened with angled ribs is on the average higher than that roughened with 90° ribs of the same geometry. Secondary flows generated
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4d16a51b5c9d792b7c6d5969b092f1a4
https://doi.org/10.1115/94-gt-163
https://doi.org/10.1115/94-gt-163
Autor:
D. M. Kercher, N. Abuaf
Publikováno v:
Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration.
The aerothermal performance of a typical turbine blade three-pass turbulated cooling circuit geometry was investigated in a 10X plexiglass test model. The model closely duplicated the blade’s leading edge, midchord, and trailing edge cooling passag
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cdf9a0064c9dc52f35f6e7c2c04323f0
https://doi.org/10.1115/92-gt-187
https://doi.org/10.1115/92-gt-187
Publikováno v:
Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration.
Turbine blade cooling is imperative in advanced aircraft engines. The extremely hot gases that operate within the turbine section require turbine blades to be cooled by a complex cooling circuit. This cooling arrangement increases engine efficiency a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bdfcdb397c590e78eed3f70e172f393c
https://doi.org/10.1115/90-gt-332
https://doi.org/10.1115/90-gt-332
Publikováno v:
Journal of Engineering for Power. 105:156-166
This paper describes short duration heat transfer measurements on a flat plate and a gas turbine nozzle airfoil at high free-stream temperatures. A shock tube generated the high temperature and pressure air flow. Thin-film heat gages recorded the sur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::100551f85c493847522182d6cd871f23
https://doi.org/10.1115/1.3227377
https://doi.org/10.1115/1.3227377
Autor:
D. M. Kercher, Widen Tabakoff
Publikováno v:
Journal of Engineering for Power. 92:73-82
The results of an experimental investigation on the average surface heat transfer co-efficients under a perforated plate of multiple, square array, round impinging air jets are presented. Correlation of the heat transfer performance in a semi-enclose
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4aabf424550bb2ca7ab5e9af205d3f1f
https://doi.org/10.1115/1.3445306
https://doi.org/10.1115/1.3445306