Method for reducing propellant curing residual stress by high-energy acoustic beam

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United States of America Patent

PATENT NO 11814331
APP PUB NO 20200346991A1
SERIAL NO

16751731

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Abstract

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The present disclosure is related to the technical field of propellant performance research, and in particular, to a method for reducing propellant curing residual stress by a high-energy acoustic beam. The method includes the following steps: injecting a propellant slurry into a curing container and waiting for the propellant slurry to start curing; actuating, when the propellant slurry starts curing, a high-energy acoustic beam generator and a high-energy acoustic beam transducer to continuously emit high-energy acoustic beam to the propellant slurry in the curing container until the propellant slurry is cured to form a propellant grain; and closing the high-energy acoustic beam generator and the high-energy acoustic beam transducer. The method for reducing propellant curing residual stress by high-energy acoustic beam provided in the present disclosure can reduce residual stress inside the propellant in an effective manner, thereby ensuring operation safety of the aerospace equipment.

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Patent Owner(s)

Patent OwnerAddress
BEIJING INSTITUTE OF TECHNOLOGY100081 NO 5 SOUTH MAIN STREET HAIDIAN DISTRICT BEIJING ZHONGGUANCUN BEIJING CITY BEIJING CITY 100081

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jia, Ruili Beijing, CN 6 1
Lu, Yuren Beijing, CN 16 25
Song, Jianfeng Beijing, CN 16 29
Xu, Chunguang Beijing, CN 33 119
Yin, Peng Beijing, CN 497 10246

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