WebNov 20, 2015 · For example, let us take an example of an Apollo-type entry vehicle entering Earth's atmosphere at 10 km/s and EFPA = -6 deg. For simplicity, let us first consider a scenario where the vehicle has no lifting … Atmospheric entry is the movement of an object from outer space into and through the gases of an atmosphere of a planet, dwarf planet, or natural satellite. There are two main types of atmospheric entry: uncontrolled entry, such as the entry of astronomical objects, space debris, or bolides; and controlled … See more The concept of the ablative heat shield was described as early as 1920 by Robert Goddard: "In the case of meteors, which enter the atmosphere with speeds as high as 30 miles (48 km) per second, the interior of the … See more There are several basic shapes used in designing entry vehicles: Sphere or spherical section The simplest axisymmetric shape is the sphere or spherical … See more Objects entering an atmosphere from space at high velocities relative to the atmosphere will cause very high levels of heating. Atmospheric entry heating comes principally from two … See more In 2004, aircraft designer Burt Rutan demonstrated the feasibility of a shape-changing airfoil for reentry with the sub-orbital SpaceShipOne. The wings on this craft rotate upward … See more When atmospheric entry is part of a spacecraft landing or recovery, particularly on a planetary body other than Earth, entry is part of a phase referred to as entry, descent, and … See more A thermal protection system, or TPS, is the barrier that protects a spacecraft during the searing heat of atmospheric reentry. A secondary goal … See more Deceleration for atmospheric reentry, especially for higher-speed Mars-return missions, benefits from maximizing "the drag area of the entry system. The larger the diameter of the aeroshell, the bigger the payload can be." An inflatable aeroshell provides … See more
Ask the Astronaut: Does it feel hot inside a spacecraft during reentry ...
WebSep 25, 2024 · In Low Earth Orbit (LEO), Starship will be traveling no less than 7.8 km/s (Mach 23, 17,500 mph) at the start of atmospheric reentry. In simple terms, the process … WebMar 10, 2008 · The temperature on the CM's surface climbed up to 5,000 degrees Fahrenheit, but the heat shields protected the inner structure of the CM. The heat shield was ablative, which means that it was designed to … solheim foundation
Apollo
WebApr 6, 2024 · What you're suggesting is an aerodynamic reentry, where aerodynamic surfaces are used to slow the rate of descent into the lower atmosphere. In the real world, heat shields are often shaped in such a way as to … WebJun 24, 2024 · As the temperature rises, the gas continues to behave in even more alien ways. At high enough temperatures, air becomes so energetic that electrons may jump … WebMay 19, 2008 · Specifically, shuttles faced intense temperatures of about 3000 degrees Fahrenheit (about 1649 degrees Celsius) [source: … sma glen fishing