Debdoot Ghosh

Debdoot Ghosh
VIT University | VIT · School of Mechanical Engineering

Bachelor of Technology

About

6
Publications
1,775
Reads
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2
Citations
Citations since 2016
6 Research Items
2 Citations
20162017201820192020202120220.00.51.01.52.02.53.0
20162017201820192020202120220.00.51.01.52.02.53.0
20162017201820192020202120220.00.51.01.52.02.53.0
20162017201820192020202120220.00.51.01.52.02.53.0
Additional affiliations
July 2019 - July 2023
VIT University
Position
  • Student
Education
April 2019 - May 2023
VIT University
Field of study
  • Mechanical Engineering

Publications

Publications (6)
Conference Paper
Full-text available
This work discusses oscillating shock wave boundary layer interaction on a flat plate at 5.8 Mach. The shock generator is a wedge which is free to oscillate with a maximum flow deflection angle of 10 degrees. The frequencies chosen for the study includes 47 Hz, 80 Hz and 100 Hz. The incipient angle for the flow was calculated to be 4.7 degrees, whi...
Conference Paper
Full-text available
View Video Presentation: https://doi.org/10.2514/6.2022-2734.vid Developing new technology for descent and soft landing of the future crewed and robotic entry, descent, and landing (EDL) mission of high ballistic coefficient is an urgent necessity. In this paper, a new lifting body architecture is defined, namely a hypersonic waverider capable of d...
Conference Paper
Full-text available
Supersonic Retro-Propulsion (SRP) is becoming increasingly important as an Entry, Descent, Landing (EDL) technique for future crewed and robotic missions to Mars. The primary role of this technology is to decelerate a high ballistic coefficient entry vehicle from supersonic to subsonic velocity within a short interval of time using a retro nozzle....
Presentation
Full-text available
Great efforts have been dedicated during the last decades to the research and development of hypersonic propulsion systems that can propel an aircraft at several times the speed of the sound. These propulsion systems have revolutionary applications such as advanced hypersonic weapons, in space exploration as reusable stages for access to low Earth...
Preprint
Full-text available
Aside from the capability of Rapid manufacturing methods in fabricating components with complex geometries, two crucial potentials of this manufacturing process that are worth mentioning are its flexibility in being combined with other production methods as well as the use of a variety of materials in a single production platform to make multi-mate...

Questions

Questions (6)
Question
I intend to analyze the aerodynamic performance of a hypersonic wave-rider for a flight Mach no. of >10.
Which open source or commercial solver should I prefer?
Question
Basically, I want to extract Strouhal Number for the detached bow shock oscillation of a Supersonic Retro-Propulsion Flow Field.
Question
How and where can I get the DLR TAU code for CFD applications?
Question
For a human missions to Mars .
Question
Please mention the maximum fuel injection temperature.

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Projects

Projects (2)
Archived project
Project description aside from the capability of Rapid manufacturing methods in fabricating components with complex geometries, two crucial potentials of this manufacturing process that are worth mentioning are its flexibility in being combined with other production methods as well as the use of a variety of materials in a single production platform to make multi-material and composite products. Implementation of multiple materials in integrated structures has been shown to improve the functionality, weight reduction, and, by merging the assembly and production into one stage, modify the manufacturing processes. Different approaches towards the modification of additive manufacturing processes aimed to reach multi-material or composite parts are being reviewed in this paper. Also, an application of suitability of usage of additively manufactured Multi-material objects in extreme environments has been discussed. A multi-material Honey comb-shaped structure is designed and simulated flight conditions corresponding to the conditions when a hypersonic vehicle re-enters the earth's atmosphere. The materials are chosen based on 3D printability and references from previous studies on re-entry vehicle heat-shielding materials. Steady thermal and structural stress analysis have done using ANSYS simulation software. The analysis shows a reduction of 66% temperature is obtained and the sustainability of the structural configuration at high pressure. The results obtained are compelling and explains the effectiveness of multi-material additively manufactured components in extreme conditions and can be substituted in the place of ordinary heat shields.