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В.П. Александренков, Н.Н. Зубков, Д.А. Ягодников, Н.Я. Ирьянов, А.В. Сухов

12

Инженерный журнал: наука и инновации

# 10·2016

Experimental study of thermal-hydraulic characteristics

of combustion chamber cooling channels

with critical propulsion plant ribbing parameters

© V.P. Aleksandrenkov, N.N. Zubkov, D.A. Yagodnikov,

N.Ya.

Iryanov, A.V. Sukhov

Bauman Moscow State Technical University, Moscow, 105005, Russi

a

The article presents results of an experimental investigation studying thermal-hydraulic

characteristics of combustion chamber cooling channels found in thermal propulsion

plants characterised by a critically high ribbing level generated via deformational cut-

ting technique. We show that these channels are operationally efficient when it comes to

cooling high-temperature propulsion plant structures and provide reliable thermal

shielding for said structures even in the case of film boil occurring in the coolant.

Keywords:

circular cooling channel, combustion chamber ribbing, deformational cutting,

rotational flow, thermal-hydraulic characteristics.

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Aleksandrenkov V.P.

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aleks@bmstu.ru

Zubkov N.N.

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