What is it about?
The ratio of radiative heat flux to total flux is increased up to 30% in the cylindrical section, whereas it is less than 10% at the throat. The effect of radiation on the total amount of heat transferred to the chamber is remarkable when increasing the length of the cylindrical section and diameter, respectively.
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Why is it important?
Effect of radiative heating may be large in a unique chmaber geometry. We also showed that Bartz formula for heat flux estimation is wrong.
Perspectives
When a chmaber is long, the imprtance of radiative heating shoud be included in cooling design. We should not use Bartz formula for right designand discussion.
Takeshi Kanda
Chubu Daigaku
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This page is a summary of: Radiative Heating in Combustion Chamber of Liquid Propellant Rocket Engines, TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, January 2016, Japan Society for Aeronautical and Space Sciences,
DOI: 10.2322/tjsass.59.332.
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