Hypersonic flow past a spherically blunted nose cone: A computational study

2019 ◽  
Vol 1 (1) ◽  
pp. 1
Author(s):  
Jagadeesh Gopalan ◽  
Chintoo Kumar ◽  
Rakesh Kumar ◽  
S. Narayanan ◽  
Ashish Narayan
Keyword(s):  
Hypersonic Flow ◽  
Computational Study ◽  
Flow Past ◽  
Nose Cone

Hypersonic flow past a spherically blunted nose cone: a computational study

2020 ◽  
Vol 20 (2) ◽  
pp. 105
Author(s):  
Ashish Narayan ◽  
S. Narayanan ◽  
Rakesh Kumar ◽  
Chintoo Sudhiesh Kumar ◽  
Gopalan Jagadeesh
Keyword(s):  
Hypersonic Flow ◽  
Computational Study ◽  
Flow Past ◽  
Nose Cone

Hypersonic flow past nose cones of different geometries: a comparative study

SIMULATION ◽  
2017 ◽  
Vol 94 (8) ◽  
pp. 665-680 ◽  
Author(s):  
Ashish Narayan ◽  
S Narayanan ◽  
Rakesh Kumar
Keyword(s):  
Comparative Study ◽  
Hypersonic Flow ◽  
Aerodynamic Drag ◽  
Pressure Coefficient ◽  
Detailed Comparison ◽  
Maximum Pressure ◽  
Total Drag ◽  
Minimum Drag ◽  
Flow Past ◽  
Nose Cone

The present work provides a detailed comparative study of the hypersonic flow past spherically blunted and parabolic nose cones at a Mach number of 5.8, numerically. The main focus of the paper is to determine the geometry and parameters of the nose cones that provide minimum aerodynamic drag and heating. Studies on spherically blunted and parabolic nose cones are performed for different fineness ratios at zero angle of attack. It is observed that for fineness ratio <1.2, blunted cones provide minimum drag, whereas at higher values of fineness ratios >1.2, parabolic nose cones provide superior drag reduction. Detailed comparison of the flow/shock features in the vicinity of the blunted and parabolic nose cones for different fineness ratios is also shown in order to determine its influence on aerodynamic drag. An empirical correlation developed for the total drag coefficient based on regression analysis for a parabolic nose cone reveals that it is mainly a function of the maximum pressure coefficient and fineness ratio. In general, the present study reveals that parabolic nose cones at higher fineness ratios are preferred over spherically blunted ones for achieving higher drag reductions and lower heating in hypervelocity vehicles.

scholarly journals Computational Study of Hypersonic Flow Past Spiked Blunt Body Using RANS and DSMC Method

2016 ◽  
Vol 25 ◽  
pp. 892-899 ◽  
Author(s):  
Jiss J. Sebastian ◽  
Sandeep Eldho James ◽  
Abhilash Suryan
Keyword(s):  
Hypersonic Flow ◽  
Blunt Body ◽  
Computational Study ◽  
Dsmc Method ◽  
Flow Past

scholarly journals Development of lattice Boltzmann flux solver for simulation of hypersonic flow past flight vehicles

2018 ◽  
Vol 1053 ◽  
pp. 012073
Author(s):  
Zhuxuan Meng ◽  
Liming Yang ◽  
Chang Shu ◽  
Fan Hu ◽  
Donghui Wang ◽  
...  
Keyword(s):  
Hypersonic Flow ◽  
Lattice Boltzmann ◽  
Flight Vehicles ◽  
Flow Past
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