Onset separation aerodynamics of Crew Module from Crew Escape System

R. Saravanan; J. A. Tennyson; S. L.N. Desikan; M. M. Patil; R. Kalimuthu; Surendranath

doi:10.18520/cs/v120/i1/105-109

Onset separation aerodynamics of Crew Module from Crew Escape System

R. Saravanan, J. A. Tennyson, S. L.N. Desikan, M. M. Patil, R. Kalimuthu, Surendranath

Research output: Contribution to journal › Article › peer-review

Abstract

Aerodynamic characteristics of Crew Module (CM) during its separation from the Crew Escape System (CES) are essential to carry out separation dynamics analysis for confirming collision-free separation. As CM is at the base of CES, it has to clear the complex wake flow that prevails in the aft region. A 1: 10-scale wind tunnel model is tested at 45 m/s freestream velocity in Indian Institute of Science, Bengaluru lowspeed tunnel. The interaction of CM with the base flows is studied for different attitude conditions in terms angle of attack, longitudinal and lateral movements. Results indicate that CM is recovered from forebody influence beyond X/D = 2, and it experiences reverse flow till it moves to X/D = 1.4D. Stability characteristics of CM are also analysed.

Original language	English
Pages (from-to)	105-109
Number of pages	5
Journal	Current Science
Volume	120
Issue number	1
DOIs	https://doi.org/10.18520/cs/v120/i1/105-109
Publication status	Published - 2021
Externally published	Yes

Keywords

Aerodynamics
Crew Escape System
Crew Models
stability characteristics
wind tunnel

ASJC Scopus subject areas

Multidisciplinary

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10.18520/cs/v120/i1/105-109

Cite this

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title = "Onset separation aerodynamics of Crew Module from Crew Escape System",

abstract = "Aerodynamic characteristics of Crew Module (CM) during its separation from the Crew Escape System (CES) are essential to carry out separation dynamics analysis for confirming collision-free separation. As CM is at the base of CES, it has to clear the complex wake flow that prevails in the aft region. A 1: 10-scale wind tunnel model is tested at 45 m/s freestream velocity in Indian Institute of Science, Bengaluru lowspeed tunnel. The interaction of CM with the base flows is studied for different attitude conditions in terms angle of attack, longitudinal and lateral movements. Results indicate that CM is recovered from forebody influence beyond X/D = 2, and it experiences reverse flow till it moves to X/D = 1.4D. Stability characteristics of CM are also analysed.",

keywords = "Aerodynamics, Crew Escape System, Crew Models, stability characteristics, wind tunnel",

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doi = "10.18520/cs/v120/i1/105-109",

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T1 - Onset separation aerodynamics of Crew Module from Crew Escape System

AU - Saravanan, R.

AU - Tennyson, J. A.

AU - Desikan, S. L.N.

AU - Patil, M. M.

AU - Kalimuthu, R.

AU - Surendranath,

PY - 2021

Y1 - 2021

N2 - Aerodynamic characteristics of Crew Module (CM) during its separation from the Crew Escape System (CES) are essential to carry out separation dynamics analysis for confirming collision-free separation. As CM is at the base of CES, it has to clear the complex wake flow that prevails in the aft region. A 1: 10-scale wind tunnel model is tested at 45 m/s freestream velocity in Indian Institute of Science, Bengaluru lowspeed tunnel. The interaction of CM with the base flows is studied for different attitude conditions in terms angle of attack, longitudinal and lateral movements. Results indicate that CM is recovered from forebody influence beyond X/D = 2, and it experiences reverse flow till it moves to X/D = 1.4D. Stability characteristics of CM are also analysed.

AB - Aerodynamic characteristics of Crew Module (CM) during its separation from the Crew Escape System (CES) are essential to carry out separation dynamics analysis for confirming collision-free separation. As CM is at the base of CES, it has to clear the complex wake flow that prevails in the aft region. A 1: 10-scale wind tunnel model is tested at 45 m/s freestream velocity in Indian Institute of Science, Bengaluru lowspeed tunnel. The interaction of CM with the base flows is studied for different attitude conditions in terms angle of attack, longitudinal and lateral movements. Results indicate that CM is recovered from forebody influence beyond X/D = 2, and it experiences reverse flow till it moves to X/D = 1.4D. Stability characteristics of CM are also analysed.

KW - Aerodynamics

KW - Crew Escape System

KW - Crew Models

KW - stability characteristics

KW - wind tunnel

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U2 - 10.18520/cs/v120/i1/105-109

DO - 10.18520/cs/v120/i1/105-109

M3 - Article

AN - SCOPUS:85100040302

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JO - Current Science

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ER -

Onset separation aerodynamics of Crew Module from Crew Escape System

Abstract

Keywords

ASJC Scopus subject areas

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