Power plants – Combustion products used as motive fluid – Combustion products generator
Patent
1991-10-17
1993-05-11
Bertsch, Richard A.
Power plants
Combustion products used as motive fluid
Combustion products generator
60759, F23R 306, F23R 308
Patent
active
052090671
ABSTRACT:
A combustion chamber wall structure is formed of a plurality of segments, each segment having an upstream portion and a downstream portion. The upstream portion is attached to an outer surface of an adjacent wall segment at its downstream portion in an overlapping fashion such that the overlapping portions form a cooling air chamber. The main cooling air holes are defined by the upstream portion so as to communicate with the cooling chamber, which has an exit to direct the cooling air along an inner surface of the downstream portion of the wall segment. A primary air hole is defined by the downstream portion of the segment and is located adjacent to the main cooling air holes. This location maximizes the distance between the primary air hole and an upstream portion of the same segment, which, in turn, maximizes the distance along the inner surface of the segment on which the cooling air may flow without being disrupted by air passing through the primary air hole. The guidance of the primary/dilution air streams can also be carried out by a portion of the downstream air cooling film.
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"Messungen des Warmeubergangs an filmgekuhlten Flammrohr-Wandelementen" vol. 27(1975) Nr. 5, Mai-D. Wahl, G. Kappler & J. Schmidt, Munchen.
Barbier Gerard Y. G.
Beule Frederic B.
Desaulty Michel A. A.
Latour Jean M. C. M. P.
Masse Bruno R. H.
Bertsch Richard A.
Societe Nationale d'Etude et de Construction de Moteurs d'Aviati
Thorpe Timothy S.
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