|Table of Contents|

Research on fluid transmission law and simulation of refillable start-basket with core structure exhaust pipe(PDF)

《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V]

Issue:
2020年05期
Page:
57-65101
Research Field:
研究与设计
Publishing date:

Info

Title:
Research on fluid transmission law and simulation of refillable start-basket with core structure exhaust pipe
Author(s):
SHAN Lijie; NING Jirong; XIAO Mingjie
(Xi’an Aerospace Propulsion Institute,Xi’an 710100,China)
Keywords:
refillable start-basket;  self-maintenance of propellant;  microgravity fluid mechanics;  interior corner flow
PACS:
V434.23
DOI:
-
Abstract:
Keeping the capillary components at the top of the exhaust pipe moistened and propellant self-retaining under microgravity or low interference acceleration is one of the key issues in the development of refillable start-basket.Based on the theory of microgravity fluid mechanics and interior corner flow, combined with the working process of the start-basket, the wetting problem of the capillary components at the top of the exhaust pipe was analyzed, and the core structure was designed as a solution to this problem.The simulation calculation was carried out by FLOW-3D software, which verified that the designed core can realize the medium guiding suction well, and has engineering applicationvalue.Further simulation analyzed the effect of the number of deflector on the diversion effect and the diversion effect of the cross plate.

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Last Update: 2020-10-20