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Michael van de Noort and Peter T. Ireland
Double-Wall Effusion Cooling schemes present an opportunity for aeroengine designers to achieve high overall cooling effectiveness and convective cooling efficiency in High-Pressure Turbine blades with reduced coolant usage compared to conventional cooli...
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Benjamin J. Brimacombe, James A. Scobie, Joseph M. Flynn, Carl M. Sangan and Oliver J. Pountney
This paper presents experimental measurements of adiabatic effectiveness for three transpiration cooling porosities (ϕ=" role="presentation">??=?=
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0.3, 0.4, and 0.5) constructed from gyroid lattice structures. To the authors? knowledge, th...
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Michael van de Noort and Peter Ireland
The high pressure turbine nozzle guide vane of a modern aeroengine experiences large heat loads and thus requires both highly effective internal and external cooling. This can be accomplished with double-wall effusion cooling, which combines impingement,...
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Matthew Courtis, Alexander Murray, Ben Coulton, Peter Ireland and Ignacio Mayo
To meet the challenges of increased thermal loads and performance demands on aero-engine turbine blades, more advanced cooling techniques are required. This study used a modification of the well-known Goldstein equation to predict film effectiveness for ...
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Jianguo Wang, Philip Rubini and Qin Qin
Passive control devices for combustion noise reduction in gas turbine engines and/or other general flow noises.
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Mauro Ignacio Bernardi,Gustavo Walter Bertotto,Alexis Daniel Ponce,Yuji Orihashi,Hirochika Sumino
Pág. 279 - 299
The El Puesto lava flow is located in the Payenia Volcanic Province (central-western Argentina), has a length of 70 km and is Middle Pleistocene in age (0.200±0.027 Ma). The flow shows a P-type pahoehoe structure and exhibits several inflation structures...
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Mauro Ignacio Bernardi,Gustavo Walter Bertotto,Yuji Orihashi,Hirochika Sumino,Alexis Daniel Ponce
Pág. 490 - 525
The basaltic lava flows located in the southeast of Payenia Volcanic Province, Argentina, show lengths between 40 and 181 km. These flows have transversal sections characterized by external vesicular crusts that surround a massive core hosting vesiculate...
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Alexander V. Murray, Peter T. Ireland, Tsun Holt Wong, Shaun Wei Tang and Anton J. Rawlinson
The continuing rise in turbine entry temperatures has necessitated the development of ever-more advanced cooling techniques. Effusion cooling is an example of such a system and is characterised by a high density of film cooling holes that operate at low ...
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A. Andreini, A. Bonini, G. Caciolli, B. Facchini and S. Taddei
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Bruno Facchini, Lorenzo Tarchi, Lorenzo Toni and Alberto Ceccherini
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