|Table of Contents|

Design on streamline tracing inward turning inlet with controlled horizontal projection of intake(PDF)

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

Issue:
2017年03期
Page:
28-34
Research Field:
研究与设计
Publishing date:

Info

Title:
Design on streamline tracing inward turning inlet with controlled horizontal projection of intake
Author(s):
LI Yongzhou1; 2;  LI Guangxi1;  ZHANG Kunyuan2;  MA Yuan1
1. Xi’an Aerospace Propulsion Institute, Xi’an 710100, China; 2. College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
Keywords:
hypersonic;  inward turning inlet;  streamline tracing;  horizontal projection;  inverse design
PACS:
V434-34
DOI:
-
Abstract:
A design method has been presented for streamline tracing inward turning inlet with controlled horizontal projection of intake in order to meet the integrated design requirements of waverider forebody and inlet with both sides intake configuration vehicle. Based on the axisymmetric basic flowfield with controllable Mach number distribution, the inward turning inlet is designed with an elliptical horizontal projection of intake utilizing this method. Numerical simulation is conducted at design (Ma=5.4) and relay point (Ma=4.0). The results indicate that the inlet can retain wave structure and pressure distribution of basic flowfield, and capture all of free incoming flow on the inviscid condition at design point. Its performance of throat plane is almost equal to basic flowfield. On the viscous condition, the inlet has high compression efficiency and flow capture ratio at design and relay point. The flow coefficient is 0.85 at relay point. The design method provides a new approach for the integrated design of inward turning inlet and waverider forebody.

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