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Sakai Lab
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The lab studies the high-temperature flows around spacecraft as they plunge into planetary atmospheres.
AboutAbout the lab
Unraveling the heat and flow around spacecraft entering atmospheres.
The Sakai Lab studies the high-temperature gas flows that form around spacecraft entering planetary atmospheres.
Using both numerical analysis and experiments, the lab investigates the heat and aerodynamic forces that act on a flying vehicle.
The lab aims to apply its findings to improve the design of spacecraft protection against heat and to explain the flight of meteoroids.
Key terms
- Hypersonics
- Flow or flight at speeds above roughly five times the speed of sound (hypersonic speed). The air around the vehicle becomes extremely hot.
- Ablation
- A phenomenon in which the material on a surface exposed to high heat melts or vaporizes and is gradually eroded away (ablation).
- Thermal protection
- Protecting the body of a spacecraft from the intense heat generated during atmospheric entry (thermal protection).
ResearchResearch themes
To gain a deeper understanding of the flight physics of planetary atmospheric entry vehicles, the lab pursues research that combines experiments with numerical analysis. It aims to apply its findings to advance thermal protection design for spacecraft and to contribute to space missions in Japan and abroad.
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MembersFaculty
- ProfessorTakeharu SakaiPublications ↗
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Write a lab reviewAnonymous · Your draft is saved if you stopRelatedLabs similar to Sakai Lab
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Komurasaki-Koizumi LabFaculty of Engineering, Department of Aeronautics and AstronauticsSpace propulsion engineering / High-enthalpy gas dynamicsThe information on this page is compiled by the LabLog team from the lab's public information and interviews. For corrections or removal requests, please contact LabLog, not the lab.
Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Progress MS-02 reentry plasma trail” NASA / Public domain (cropped)
- Heat and Flow Around Atmospheric Entry Vehicles: “Arc Jet Testing of Orion Heat Shield Avcoat (jsc2024e078233)” NASA Ames Research Center / NASA / Public domain (cropped)
- Related lab (Himeno Lab): “Compressor case from turbojet” Olivier Cleynen / CC BY-SA 3.0 (cropped)
- Related lab (Ogawa-Odagiri Lab): “BepiColombo spacecraft model” National Aeronautics and Space Administration (NASA) / Public domain (cropped)
- Related lab (Tsue-Nakaya Lab): “Combustion research ( )” Oak Ridge National Laboratory / CC BY 2.0 (cropped)
- Related lab (Komurasaki-Koizumi Lab): “Hall Effect Thruster in a vacuum chamber” EXOTRAIL SA / CC BY-SA 4.0 (cropped)
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