PSP Bibliography





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Found 67 entries in the Bibliography.


Showing entries from 51 through 67


2012

Solar Probe Plus (SPP) autonomous solar array angle control

The Solar Probe Plus mission, under NASA s Living with a Star program, will fly a spacecraft (S/C) through the sun s outer corona with orbit perihelia that gradually approach as close as 9.5 solar radii from the center of the sun. The mission will gather data on the processes of coronal heating, solar wind acceleration, and production, evolution and transport of solar energetic particles. The S/C is powered by two actively cooled photovoltaic solar array (S/A) wings. Due to the extreme environments near the sun, the S/C body ...

Baisden, Carson; Roufberg, Lew;

Published by: 10th Annual International Energy Conversion Engineering Conference, IECEC 2012      Published on:

YEAR: 2012     DOI:

Attitude control; NASA; Orbits; Probes; Solar cell arrays; Space flight; Vibrations (mechanical); Parker Engineering

Solar Probe Plus (SPP) spacecraft power system

The Solar Probe Plus (SPP) mission, under NASA s Living with a Star program, will fly a spacecraft (S/C) through the sun s outer corona with orbit perihelia that gradually approach as close as 9.5 solar radii from the center of the sun. The mission will gather data on the processes of coronal heating, solar wind acceleration, and the production, evolution and transport of solar energetic particles. The S/C is powered by two actively cooled photovoltaic solar array (S/A) wings. Due to the extreme environments near the sun, th ...

Roufberg, Lew; Baisden, Carson;

Published by: 10th Annual International Energy Conversion Engineering Conference, IECEC 2012      Published on:

YEAR: 2012     DOI:

Battery management systems; Charging (batteries); Electric power system control; NASA; Orbits; Probes; Secondary batteries; Solar cell arrays; Space flight; Parker Engineering

A review of the Solar Probe Plus dust protection approach

The Solar Probe Plus (SPP) spacecraft will go closer to the Sun than any manmade object has gone before, which has required the development of new thermal and micrometeoroid protection technologies. During the 24 solar orbits of the mission, the spacecraft will encounter a thermal environment that is 50 times more severe than any previous spacecraft. It will also travel through a dust environment previously unexplored, and be subject to particle hypervelocity impacts (HVI) at velocities much larger than anything previously e ...

Mehoke, Douglas; Brown, Robert; Swaminathan, P.K.; Kerley, Gerald; Carrasco, Cesar; Iyer, Kaushik;

Published by: IEEE Aerospace Conference Proceedings      Published on:

YEAR: 2012     DOI:

Dust; Earth (planet); Interplanetary flight; Particle size analysis; Probes; Space debris; Spacecraft; Parker Engineering

Hyper velocity protection developments on the solar probe plus mission

The Solar Probe Plus (SPP) spacecraft will go closer to the Sun than any manmade object has gone before. The mission includes both solar flux and micrometeoroid environments much more severe than anything experienced by previous spacecraft. As a result, new analytical and testing methodologies are being developed to ensure the success of the mission. One of the major efforts is the development of an analytical approach for hypervelocity impacts (HVI) at speeds up to 300 km/s. To date, this dust study has made several notable ...

Mehoke, Douglas; Swaminathan, P.K.; Carrasco, Cesar; Brown, Robert; Iyer, Kaushik;

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

YEAR: 2012     DOI:

Cooling systems; Dust; Earth (planet); Equations of state; Interplanetary flight; Probes; Thermoelectric equipment; Parker Engineering

Modeling and simulation of the solar probe plus spacewire virtual data bus

The Solar Probe Plus (SPP) mission will study the Sun s corona, one of the last unexplored regions of the solar system. The spacecraft will carry a complement of instruments closer to the Sun than any spacecraft has ever ventured. The mission concept calls for a minimum perihelion of 9.5 solar radii over an extended campaign of in-situ and simultaneous remote observations. To meet the power, mass, fault management and electromagnetic interference constraints of the mission, the SPP spacecraft architecture uses SpaceWire as t ...

Mick, Alan;

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

YEAR: 2012     DOI:

Avionics; Buses; Codes (symbols); Data handling; Digital storage; Discrete event simulation; Electromagnetic pulse; Internet protocols; Memory architecture; Network architecture; Probes; Refining; Response time (computer systems); Spacecraft; Sun; System buses; Parker Engineering

2011

LEON3FT proton SEE test results for the solar probe plus program

The Solar Probe Plus program requires a low power microprocessor with demonstrated capability to resist SEE in a high proton flux environment. Proton tests conducted at IUCF successfully demonstrated the single bit error correction capability of the LEON3FT. The test setup and results are summarized. © 2011 IEEE.

Pham, Chi; Malcom, Horace; Maurer, Richard; Roth, David; Strohbehn, Kim;

Published by: IEEE Radiation Effects Data Workshop      Published on:

YEAR: 2011     DOI:

Error correction; Probes; Software testing; Parker Engineering

Solar Probe Plus, mission update

Solar Probe Plus (SPP) will be the first mission to fly into the low solar corona, revealing how the corona is heated and the solar wind is accelerated, solving two fundamental mysteries that have been top-priority science goals for over five decades. Thanks to an innovative design, emerging technology developments and a significant risk reducing engineering development program these critical goals will soon be achieved. The Johns Hopkins University Applied Physics Laboratory in Laurel, Maryland, is designing and building th ...

Morse, Brian; Kinnison, James; Lockwood, Mary; Reynolds, Edward; Fox, Nicola;

Published by: 62nd International Astronautical Congress 2011, IAC 2011      Published on:

YEAR: 2011     DOI:

Carbon; Heating; Instrument testing; Interplanetary flight; magnetic fields; Microwave antennas; NASA; Probes; Solar cell arrays; Solar radiation; Solar wind; Temperature; Parker Engineering

Array-design considerations for the solar probe plus mission

The NASA Solar Probe Plus (SPP) mission will fly into and study the Sun s corona, reaching as close as 8.5 solar radii from the surface of the Sun. Power generation for the spacecraft will be provided by two solar array wings, which are being designed and built by Johns Hopkins University Applied Physics Laboratory and Emcore Photovoltaics. SPP will get closer to the Sun than any previous mission, and the solar array will therefore need to operate reliably under unusually high irradiances, temperatures, and angles of inciden ...

Boca, Andreea; Blumenfeld, Philip; Crist, Kevin; Flynn, Greg; McCarty, James; Patel, Pravin; Sarver, Charles; Sharps, Paul; Stall, Rick; Stan, Mark; Tourino, Cory;

Published by: Conference Record of the IEEE Photovoltaic Specialists Conference      Published on:

YEAR: 2011     DOI:

Cell engineering; Economic and social effects; NASA; Probes; Software testing; Solar cell arrays; Space flight; Thermal Engineering; Parker Engineering

Testing of solar cells for the solar probe plus mission

The Solar Probe Plus (SPP) is an upcoming mission in NASA s "Living with a Star Program" to be built by the Johns Hopkins University Applied Physics Laboratory. The spacecraft will orbit the sun for a primary mission duration of seven years, making a closest approach to the sun at a distance of 0.0442 AU. Instrumentation on SPP will focus on two primary science investigations: the sun s coronal heating and solar wind acceleration, and the production, evolution, and transport of solar energetic particles. The mission is sched ...

Scheiman, David; Piszczor, Michael; Snyder, David; McNatt, Jeremiah; Landis, Geoffrey; Isabella, Louis; Putt, Nicolas;

Published by: Conference Record of the IEEE Photovoltaic Specialists Conference      Published on:

YEAR: 2011     DOI:

Gallium compounds; Heat shielding; NASA; Orbits; Probes; Solar cell arrays; Space flight; Parker Engineering

2010

Combined effect of high temperature and VUV radiation on carbon-based materials

For the next exploration of the sun, missions like Solar Probe+ (NASA) or Phoibos (ESA) will be launched to answer to fundamental questions on the solar corona heating and solar winds origin. Such solar probes missions that will pass very close to the sun, respectively at 9.5 and 4 solar radii (Rs), need thermal shield to protect the payload and the instrumentation. Carbon/carbon composites can withstand the severe environment encountered during the pass of the sun and have to be studied to understand their physico-chemical ...

Eck, J.; Sans, J.L.; Balat-Pichelin, M.;

Published by: ECS Transactions      Published on:

YEAR: 2010     DOI:

Carbon; Carbon carbon composites; Heat shielding; NASA; Probes; Space flight; Parker Engineering

Solar Probe Plus: Impact of light scattering by solar system dust on star tracker performance

NASA s upcoming Solar Probe Plus mission will be the first to approach the Sun as close as 8.5 solar radii from the surface and provide in-situ observations of the Sun s corona. In the absence of observational data (e.g., Helios, Pioneer), for distances less than 0.3 AU, the ambient dust distribution close to the Sun remains poorly known and limited to model extrapolation for distances < 1 AU. For the Solar Probe Plus (SPP) mission it is critical to characterize the inner solar system dust environment to evaluate potential i ...

Strikwerda, Thomas; Strong, Shadrian; Rogers, Gabe;

Published by: Advances in the Astronautical Sciences      Published on:

YEAR: 2010     DOI:

Atomic absorption spectrometry; Dust; Light scattering; NASA; Probes; Solar system; Space flight; Stars; Parker Engineering

The Solar Probe Plus solar array development and design

The Solar Probe Plus (SPP) spacecraft will orbit as closely as 9.5 solar radii from the sun; so close that its thermal protection shield (TPS) will reach a peak temperature of 1,400C. To work in this environment, the solar array will use pressurized water cooling and operate in the penumbra formed by the TPS at a 68° angle of incidence. Even with these mitigations, the array will be subject to extremely high intensity and temperature. This paper will summarize the array s environment, present a preliminary design, outlin ...

Gaddy, Edward; Decker, Rob; Lockwood, Mary; Roufberg, Lew; Knutzen, Gayle; Marsh, Danielle;

Published by: Conference Record of the IEEE Photovoltaic Specialists Conference      Published on:

YEAR: 2010     DOI:

Orbits; Probes; 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

Solar Probe Plus Reference Vehicle spacecraft

Solar Probe Plus (SPP) will be the first mission to fly into the Sun s lower corona as close as 9.5 solar radii from the center of the sun. Launching no later than 2018, the mission will reveal how the corona is heated and how the solar wind is accelerated, solving two fundamental mysteries that have been top-priority science goals for many decades. The SPP Reference Vehicle spacecraft, described in this paper, accommodates the Science and Technology Definition Team reference payload, and demonstrates feasibility and technol ...

Lockwood, Mary;

Published by: AIAA SPACE Conference and Exposition 2010      Published on:

YEAR: 2010     DOI:

Probes; Parker Engineering

Solar probe plus, a historic mission to the sun

Solar Probe Plus (SPP) will be the first mission to fly into the low solar corona, revealing how the corona is heated and the solar wind is accelerated, solving two fundamental mysteries that have been top-priority science goals for decades. Thanks to an innovative design, emerging technology developments and a significant risk reducing engineering development program these critical goals will soon be achieved. The Johns Hopkins University Applied Physics Laboratory in Laurel, Maryland, is designing and building the Solar Pr ...

Kinnison, James; Morse, Brian; Lockwood, Mary; Reynolds, Edward; Decker, Robert;

Published by: 61st International Astronautical Congress 2010, IAC 2010      Published on:

YEAR: 2010     DOI:

Carbon; Interplanetary flight; magnetic fields; Microwave antennas; NASA; Probes; Solar cell arrays; Solar wind; Temperature; Parker Engineering

An active cooling system for the solar probe power system

The Solar Probe Plus (SPP) spacecraft will orbit the Sun closer than any other previous probe. As dictated by the current mission design, the spacecraft will achieve many perihelia as close as 9.5 RS from the Sun. During those passes, it will encounter a solar flux of ~500 suns, or 70 W/cm2. This flux is more than 50 times larger than the solar heating seen by any previous spacecraft. During the entire mission, the spacecraft and science instruments will be protected by a Thermal Protection System (TPS) ...

Lockwood, Mary; Ercol, Carl; Cho, Wei-Lin; Hartman, David; Adamson, Gary;

Published by: 40th International Conference on Environmental Systems, ICES 2010      Published on:

YEAR: 2010     DOI:

Cooling; Cooling systems; Orbits; Probes; Spacecraft; Testing; Thermoelectric equipment; Waste heat; 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



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