PSP Bibliography


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Found 7 entries in the Bibliography.

Showing entries from 1 through 7


Designing, building, andtesting of a thermal protection systemfor a spacecraft which cannot be qualifiedusing standard methodology

This is a case study of the Thermal Protection System (TPS) currently in use on the Parker Solar Probe spacecraft, which over its seven year life it will experience surface temperatures in excess of 1400C. The traditional methodology for qualifying a space structure, using the old adage, "test what you fly and fly what you test" was simply not practical based on the selected materials, the size of the TPS, and a space environment characterized by its hard vacuumand hightemperatures. The approach to risk mitigation both in te ...

Schaefera, Edward; Congdon, Elizabeth; Conkey, Shelly;

Published by: Proceedings of the International Astronautical Congress, IAC      Published on:

YEAR: 2019     DOI:

Carbon carbon composites; Materials; Testing; Parker Engineering

Parker solar probe structural-thermal analysis challenges

The NASA Parker Solar Probe spacecraft, built by the Johns Hopkins University Applied Physics Lab will fly through the outermost part of the Sun s atmosphere taking in situ measurements and imaging to improve our understanding of the corona and the solar wind. The Thermal Protection System (TPS), a 4.5-inch thick carbon-composite heat shield, limits heat transfer to the spacecraft during its flight through the Sun s atmosphere, and casts a shadow which protects the spacecraft and its instruments from the harsh thermal enviro ...

Conkey, Shelly; Congdon, Elisabeth; Schaefer, Ed; Abel, Elizabeth;

Published by: Proceedings of the International Astronautical Congress, IAC      Published on:

YEAR: 2019     DOI:

Ability testing; Carbon carbon composites; Correlation methods; Heat shielding; Heat transfer; NASA; Orbits; Probes; Software testing; Structural properties; Temperature; Test facilities; Thermoanalysis; Thermocouples; Uncertainty analysis; Parker Engineering

Case study of the parker solar probe thermal protection system: Development of a system level process for high temperature technology achievement

Successful development of high temperature systems is complex and difficult. Limitations in testing, manufacturing and materials means that design and testing of such systems is challenging. NASA s Parker Solar Probe (PSP) Spacecraft built by the Johns Hopkins Applied Physics Laboratory was launched in August 2018 and is measuring the Sun s atmosphere in situ. A critical technology development which made this mission possible is the 4.5 inch-thick Thermal Protection System (TPS) that has to withstand 2500°F and protect t ...

Congdon, Elizabeth; Mehoke, Douglas; Conkey, Shelly; Schaefer, Ed; Abel, Elisabeth;

Published by: Proceedings of the International Astronautical Congress, IAC      Published on:

YEAR: 2019     DOI:

Heat shielding; High temperature effects; High temperature engineering; Manufacture; NASA; Probes; Thermal insulating materials; Parker Engineering


Full scale thermal simulator development for the solar probe plus thermal protection system

Solar Probe Plus (SPP) is a NASA mission that will go within ten Solar Radii of the sun. One of the crucial technologies in this system is the Thermal Protection System (TPS), which shields the spacecraft from the sun. The TPS is made up of carbon-foam sandwiched between two carbon-carbon panels, and is approximately eight feet in diameter and 4.5 inches thick. At its closest approach, the front surface of the TPS is expected to reach 1200°C, but the foam will dissipate the heat so the back surface will only be about 300 ...

Heisler, Elizabeth; Abel, Elisabeth; Congdon, Elizabeth; Eby, Daniel;

Published by: IEEE Aerospace Conference Proceedings      Published on:

YEAR: 2017     DOI:

Aluminum coated steel; Carbon; Foams; Heat shielding; NASA; Probes; Simulators; Space flight; Stainless steel; Thermal insulating materials; Thermoanalysis; Vacuum technology; Parker Engineering


Development of the solar probe plus spacecraft thermal protection system (TPS) thermal simulator-subscale testing

The NASA’s Solar Probe Plus spacecraft must endure extreme heat loads while passing near the Sun. Due to its high incident heatload and temperature, the spacecraft Thermal Protection System (TPS) must be simulated using a custom thermal simulator during spacecraft thermal vacuum testing. As part of the development of the TPS thermal simulator, subscale testing was performed. The design, testing, results and lessons learned are described in this paper. Especially useful are the design aspects needed to achieve the high ...

Congdon, Elizabeth; Abel, Elisabeth; Heisler, Elizabeth;

Published by: 32nd AIAA Aerodynamic Measurement Technology and Ground Testing Conference      Published on:

YEAR: 2016     DOI:

Aerodynamics; Heat shielding; NASA; Probes; Simulators; Spacecraft; Thermal insulating materials; Parker Engineering


Ceramic coatings for the solar probe plus mission

A study was conducted to develop the coatings needed to protect the Solar Probe Plus Thermal Protection System (TPS) from the harsh environment. The TPS encountered harsh environment during its mission close to the sun, facing significant solar fluxes. The first part of the study addressed the way a coating s microstructure affected its optical properties and the way coatings were designed to maintain the right microstructure over temperature. The study was led by a researcher from the Advanced Technology Laboratory of the W ...

Mehoke, D.; Congdon, E.; , Drewry; Eddins, C.; Deacon, R.; Wolf, T.; Hahn, D.; King, D.; Nagle, D.; Buchta, M.; Zhang, D.; Hemker, K.; Spicer, J.; Jones, J.; Ryan, S.; Schlichter, G.;

Published by: Johns Hopkins APL Technical Digest (Applied Physics Laboratory)      Published on:

YEAR: 2010     DOI:

Grain growth; Microstructure; Optical properties; Probes; Parker Engineering

Development of a high-temperature optical coating for thermal management on solar probe plus

NASA s Solar Probe Plus (SPP) is approaching within 9.5 solar radii from the center of the sun. The SPP thermal protection system (TPS) is a 2.7 meter heat shield. The heat shield reaches temperatures of 1400°C on its front surface, its worst thermal case, and is subjected to launch loads, its worst mechanical case. The front surface of the thermal protection system is coated with an optically white coating in order to reduce the front surface temperature of the TPS and reduce the resulting heat flow into the spacecraft. ...

Congdon, Elizabeth; Mehoke, Douglas; Buchta, Mark; Nagle, Dennis; Zhang, Dajie; Spicer, James;

Published by: 10th AIAA/ASME Joint Thermophysics and Heat Transfer Conference      Published on:

YEAR: 2010     DOI:

Heat shielding; Heat transfer; NASA; Optical coatings; Probes; Thermal insulating materials; Thermal variables control; Parker Engineering