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Articles 1 - 30 of 408
Full-Text Articles in Space Vehicles
Martian Atmospheric Rover Simulation (M.A.R.S.), Matt Berard, Shelby Beddard, Alexander Brunette, Emma Conti, Collin Duke, Delaney Novak, Keelin Weaver
Martian Atmospheric Rover Simulation (M.A.R.S.), Matt Berard, Shelby Beddard, Alexander Brunette, Emma Conti, Collin Duke, Delaney Novak, Keelin Weaver
Aerospace, Physics, and Space Science Student Publications
While rovers have been used by various agencies to explore Mars, their travel is limited by terrain obstacles, which may prevent mission completion. Creating a vehicle equipped with both driving and flight capabilities would allow greater range of motion on extraterrestrial planets. Integrating the technology for both transportation modes into one rover allows for efficiency and advancements in technological and planetary research.
Development Of User Interface And Testing Harness, Jacob Amezquita, William Albertini
Development Of User Interface And Testing Harness, Jacob Amezquita, William Albertini
College of Engineering Summer Undergraduate Research Program
No abstract provided.
A Systematic Study Into The Design And Utilization Of Burn Wire As A Means Of Tensioning And Releasing Spacecraft Mechanisms Through Applied Joule Heating, Chandler Dye
Mechanical Engineering Undergraduate Honors Theses
The joule heating characteristics of Nichrome burn wires, often used as a thermal cutting device in mechanisms designed to fasten and release CubeSat deployables, are examined in the following thesis. Wires ranging from 0.125 inches to 2 inches long, and diameters of 30 Ga and 40 Ga, are investigated through analytical calculations and thermal simulations based on heat transfer due to joule heating, and through physical circuitry-based experiments. The temperature data is used to generate heating curves to predict the time it takes for Nichrome wires to fail under varying testing parameters. This research aims to catalog a series of …
Spacecraft Systems & Navigation, Christopher Vanacore
Spacecraft Systems & Navigation, Christopher Vanacore
Student Works
This textbook is steered towards higher educational course entailed in Commercial Space Operations. This textbook will be covering in detail Orbital Satellites, and Spacecraft. These topics are discussed according to their application, design, and environment. The power system, shielding and communication systems are reviewed along with their missions, space, environment and limitations. Any vehicle, whether manned or unmanned, intended for space travel is a spacecraft. A spacecraft's required systems and equipment depend on the information it will acquire and the tasks it will perform. Although their levels of sophistication vary widely, they re all subject to the harsh conditions of …
Cfd And Heat Transfer Analysis Of Rocket Cooling Techniques On An Aerospike Nozzle, Geoffrey Sullivan
Cfd And Heat Transfer Analysis Of Rocket Cooling Techniques On An Aerospike Nozzle, Geoffrey Sullivan
Electronic Theses and Dissertations
In recent years the development of rocket engines has been mainly focused on improving the engine cycle and creating new fuels. Rocket nozzle design has not been changed since the late 1960s. Recent needs for reliable and reusable rockets, as well as advancements in additive manufacturing, have brought new interest into the aerospike nozzle concept. This nozzle is a type of altitude adjusting nozzle that is up to 90% more efficient than bell nozzles at low altitudes and spends up to 30% less fuel. Since the nozzle body is submerged in the hot exhaust gasses it is difficult to keep …
Co2 Based Parachute Deployment, Anthony M. S. Settlemier, Nicholas Motter
Co2 Based Parachute Deployment, Anthony M. S. Settlemier, Nicholas Motter
Williams Honors College, Honors Research Projects
This paper describes the design process of a CO2 based parachute deployment system for the Akronauts Rocket Design team, with particular emphasis on the selection of methodologies of deployment as well as design iteration. The objective was to create a fully mechanical system in order to replace the black powder based systems that were used previously by the team.
Emphasis was put in creating a system that would function well at higher altitudes while also preventing damage to the parachute during deployment. This system emphasizes robustness under launch conditions.
Kentucky Re-Entry Universal Payload System (Krups): Hypersonic Re-Entry Flight, John Daniel Schmidt
Kentucky Re-Entry Universal Payload System (Krups): Hypersonic Re-Entry Flight, John Daniel Schmidt
Theses and Dissertations--Mechanical Engineering
The Kentucky Re-entry Universal Payload System (KRUPS) is a small capsule designed as a technology testbed for re-entry experiments. For its first incarnation, KRUPS has been designed to test Thermal Protection Systems (TPS) and instruments in re-entry flights. Because of the unique environment a vehicle undergoes during re-entry, there is a high-demand for experimental data from re-entry experiments. KRUPS has been developed at the University of Kentucky (UK) over the past seven years to meet this demand. After completing sub-orbital campaigns, the first KRUPS hypersonic re-entry mission was attempted. The mission involved building three 11-inch diameter capsules each outfitted with …
State-Of-The-Art Of Thermal Control Solutions To Establish A Modular, Multi-Orbit Capable Spacecraft Thermal Management System Design Methodology, Robert C. Consolo Jr
State-Of-The-Art Of Thermal Control Solutions To Establish A Modular, Multi-Orbit Capable Spacecraft Thermal Management System Design Methodology, Robert C. Consolo Jr
Doctoral Dissertations and Master's Theses
Today, the exploration and exploitation of space continues to become a more common occurrence. All types of spacecraft (S/C) utilize various types of thermal management solutions to mitigate the effects of thermal loading from the unforgiving vacuum of space. Without an appropriately designed thermal system, components on-board the S/C can experience failure or malfunction due to fluctuations in temperatures either beyond the designed operational parameters or unstable oscillating temperatures. The purpose of this study is to perform a comprehensive review of technologies available today that are being used for thermal management onboard S/C in addition to investigating the means to …
Lupa: An Excursion Vehicle For The Moons Of Mars, Shannon Kavanagh, Bo Lewis, Alex Odinamba, Joshua Mulhern
Lupa: An Excursion Vehicle For The Moons Of Mars, Shannon Kavanagh, Bo Lewis, Alex Odinamba, Joshua Mulhern
Senior Design Project For Engineers
Our team has designed a spacecraft and mission for exploring the moons of Mars. The Lithological and Ultraviolet Photometry Assessment (LUPA) excursion vehicle is capable of crew habitation, autonomous rendezvous, and in-vacuum sample collection all in support of a parallel Mars surface mission to be carried out in the year 2040. Our project's key focus areas revolve around orbital mechanics, space vehicle propulsion analysis, scientific exploration, and the management of various interconnected spacecraft subsystems.
Project Scrappie (Clear Constellation), Jacob Bertram, Jacob Britt, Bill Ngo, Mike Diesing
Project Scrappie (Clear Constellation), Jacob Bertram, Jacob Britt, Bill Ngo, Mike Diesing
Senior Design Project For Engineers
Clear Constellation™ is a nationwide competition hosted by Rubicon® to combat the growing problem of space debris in Low Earth Orbit. Project Scrappie is our team’s solution to this problem. Scrappie is an autonomous apparatus will make use of Whipple shield technology to collide with debris at high velocities and effectively destroy the debris throughout selected orbital paths.
Issue 18: Contributors, Don Flournoy
Issue 18: Contributors, Don Flournoy
Online Journal of Space Communication
List of Issue 18 Contributors
Sunsat Design Competition 2015-2016 First Place Winner – Team Space Transport: Power Satellites Beamed Energy Bootstrapping, Keith Henson, Anna Nesterova
Sunsat Design Competition 2015-2016 First Place Winner – Team Space Transport: Power Satellites Beamed Energy Bootstrapping, Keith Henson, Anna Nesterova
Online Journal of Space Communication
This International SunSat Design Competition first-place winner for 2016 describes a beamed energy transport system that will operate in Space above low earth orbit (LEO) as a way to move power satellite parts into high orbits.
This design, entitled “Beamed Energy Bootstrapping,” makes use of small propulsion power satellites to provide the energy for space-based vehicles using electric arcjets. The proposal lays out a scheme to get the first propulsion power satellite in place without damage as it passes through the orbiting space junk below 2000 km.
Click here to see the video: Space Transport for Power Satellites Beamed Energy …
Sunsat Design Competition 2015-2016 Second Place Winner – Team Pathway To Power : Wireless Power Transfer, Javier Tandazo, Ethan Wong, Curtis Waggoner, John Guggenheim, Alexander Carter
Sunsat Design Competition 2015-2016 Second Place Winner – Team Pathway To Power : Wireless Power Transfer, Javier Tandazo, Ethan Wong, Curtis Waggoner, John Guggenheim, Alexander Carter
Online Journal of Space Communication
Solar Power Satellites (SPS) using Wireless Power Transfer (WPT) to beam renewable energy to consumers on earth face three grand challenges: moving parts, heat dissipation, and radio interference. Solutions to each of these “show stoppers” are presented here. Further, a progressively more-complex pathway is described which starts where we are now and leads step-wise to implementation of large-scale Space Solar Power (SSP).
The first two grand challenges are addressed by a novel SPS design based on a thin-walled cylinder configuration of solar panels. The remaining challenge is tackled through a newly-discovered antenna configuration which allows dramatic reduction in radio/telecom interference …
Sunsat Design Competition 2014-2015 Third Place Winner – Team Martian: Space Solar Power Test Bed, Jeremy Straub, Tristan Plante, Benjamin Kading, Alex Holland, Landon Klein, Jordan Forbord
Sunsat Design Competition 2014-2015 Third Place Winner – Team Martian: Space Solar Power Test Bed, Jeremy Straub, Tristan Plante, Benjamin Kading, Alex Holland, Landon Klein, Jordan Forbord
Online Journal of Space Communication
We propose a four-stage plan to demonstrate the effectiveness and safety of Space Solar Power (SSP) for use on Earth. Our project goal is to achieve Technology Readiness Level (TRL) by means of: 1) a test mission in low Earth orbit using a small spacecraft; 2) that will support a manned mission to Mars; 3) that includes a bent pipe experiment (power supplied from Earth, to a spacecraft and back to Earth), and 4) to complete system deployment.
The primary impediment to SSP implementation is thought to be the acceptance of the system by those on Earth who may be …
Sunsat Design Competition 2014-2015 First Place Winner – Team Cast: Multi-Rotary Joints Sps, Xinbin Hou, Meng Li, Lili Niu, Lu Zhou, Ying Chen, Zhengai Cheng, Haipeng Ji
Sunsat Design Competition 2014-2015 First Place Winner – Team Cast: Multi-Rotary Joints Sps, Xinbin Hou, Meng Li, Lili Niu, Lu Zhou, Ying Chen, Zhengai Cheng, Haipeng Ji
Online Journal of Space Communication
Space Power Satellite (SPS) is a huge spacecraft designed to collect solar energy in space for supplying electric power to the electric grid on the ground. The SPS concept was first proposed by Dr. Peter Glaser in 1968.
Various studies on SPS in various countries have been produced over the past forty years. Today, there are multiple variations on this early concept, both in innovation and in optimization. Because of the huge size, immense mass and high power of these SPS installations, there are many technological difficulties.
Here, a new Multi-Rotary Joints SPS (MR-SPS) concept is proposed. The large solar …
Sunsat Design Competition 2014-2015 Second Place Winner – Team Sunflower: Thermal Power Satellite, Keith Henson, Steve Nixon, Kris Holland, Anna Nesterova
Sunsat Design Competition 2014-2015 Second Place Winner – Team Sunflower: Thermal Power Satellite, Keith Henson, Steve Nixon, Kris Holland, Anna Nesterova
Online Journal of Space Communication
Space-based Solar Power has failed to be competitive on cost in spite of decades of study. A new approach appears to resolve the cost issue, undercutting coal and opening huge markets for low cost solar power from space. There are two parts to the problem. First is the cost of lifting parts to Geosynchronous Earth Orbit (GEO; second is the mass of parts that make up a power satellite.
Our team is proposing a combination that makes use of Skylon to Low Earth Orbit (LEO), and a 15,000 ton payload ground powered electric propulsion from LEO to GEO. This strategy …
Sunsat Design Competition 2013-2014 Third Place Winner – Team University Of North Dakota: Nano Ssp Satellite, Corey Bergsrud, Robert Bernaciak, Ben Kading, John Mcclure, Jeremy Straub, Subin Shahukhal, Karl Williams
Sunsat Design Competition 2013-2014 Third Place Winner – Team University Of North Dakota: Nano Ssp Satellite, Corey Bergsrud, Robert Bernaciak, Ben Kading, John Mcclure, Jeremy Straub, Subin Shahukhal, Karl Williams
Online Journal of Space Communication
This work presents the conceptualization of a Space-to-Space Microwave Wireless Power Transmission (S2S-MWPT) experimental demonstration mission using small spacecraft. Literature reviews [1, 2] suggest a stepwise procedure for technology demonstrations in support of advancing space solar power satellite (SSPS) systems. These technologies should be verified first on Earth and then in-space using small satellites. This project built its S2S-MWPT demonstration concept within the University NanoSat program restrictions (dimensions of 50cm x 50cm x 60cm and mass of 50kg). The idea is to use these upper limit restrictions to develop the MWPT spacecraft (MicroSat). Contained inside the MicroSat …
Sunsat Design Competition 2013-2014 Second Place Winner – Team Solar Maximum Llc: Sun-Synchronous Orbits, Danny R. Jones, Anna Nesterova
Sunsat Design Competition 2013-2014 Second Place Winner – Team Solar Maximum Llc: Sun-Synchronous Orbits, Danny R. Jones, Anna Nesterova
Online Journal of Space Communication
The orbital location of PowerSats plays a critical role in determining the mass of the solar power satellite (PowerSat) transmitter and the size of the rectenna on the Earth’s surface. These in turn play an important role in the cost of deploying the PowerSat, especially the cost of launching the PowerSat into orbit as the transmitter makes up a large part of the PowerSats mass. We will consider a new approach to PowerSat orbital positioning by considering a circular sun-synchronous orbit at 5,185.3 kilometers with an inclination of 142.1 degrees. Locating the PowerSat at this location offers several benefits and …
Sunsat Design Competition 2013-2014 First Place Winner – Team Rajiv Gandhi University: Helioastra, Akhil Raj Kumar Kalapala, Krishna Bhavana Sivaraju
Sunsat Design Competition 2013-2014 First Place Winner – Team Rajiv Gandhi University: Helioastra, Akhil Raj Kumar Kalapala, Krishna Bhavana Sivaraju
Online Journal of Space Communication
HelioAstra is a creative design and visualization of an advanced Space Solar Power system. Its concept is validated by a credible science and engineering approach and an innovative business plan.
The space and ground receiving segments are made up of high efficiency Fresnel lens concentrator quantum dot solar cells. The solar array in space is sized at 933 m2. It delivers 1 MW (1000 kW) of perennial, clean and eco-friendly solar electric power at the bus-bars on the ground.
A solid state laser system containing Neodymium doped Yttrium Aluminium garnet (Nd: Y3Al5O12) will accurately and efficiently transmit power. A ground …
Issue 17: Contributors, Don Flournoy
Issue 17: Contributors, Don Flournoy
Online Journal of Space Communication
List of Issue 17 Contributors
A Us-India Power Exchange Towards A Space Power Grid, Brendan Dessanti, Nicholas Picon, Carlos Rios, Shaan Shah, Narayanan Komerath
A Us-India Power Exchange Towards A Space Power Grid, Brendan Dessanti, Nicholas Picon, Carlos Rios, Shaan Shah, Narayanan Komerath
Online Journal of Space Communication
The Space Power Grid (SPG) architecture
described in papers from our group since 2006, is an
evolutionary approach to realizing the global dream of
Space Solar Power (SSP). SPG first concentrates on helping
terrestrial power plants become viable, aligning with public
policy priorities. It enables a real -time power exchange
through Space to help locate new plants at ideal but remote
sites, smooth supply fluctuations, reach high-valued
markets, and achieve baseload status. With retail cost kept
to moderate levels, a constellation grows in 17 years to 100
power relay satellites at 2000 km sun-synchronous and
equatorial orbits and 250 terrestrial …
From Uranium Enrichment To Renewable Energy: Conversion Of The Us-Doe’S Former Portsmouth Gaseous Diffusion Plant (Ports) In Piketon, Ohio, Into A Clean Energy Production Facility Within A Decade, Don Flournoy, Shmuel Roth, Mohammad Ala-Uddin
From Uranium Enrichment To Renewable Energy: Conversion Of The Us-Doe’S Former Portsmouth Gaseous Diffusion Plant (Ports) In Piketon, Ohio, Into A Clean Energy Production Facility Within A Decade, Don Flournoy, Shmuel Roth, Mohammad Ala-Uddin
Online Journal of Space Communication
The large-scale energy production projects described here, of which the
Portsmouth Solar Power Production site at Piketon Ohio is the illustrative
example, are chosen to describe how multi-megawatt quantities of “baseload”
renewable electrical power can be reliably generated from terrestrial solar farms.
Also to be shown are the steps to be taken in making these energy resources
simultaneously available to local and global power grids, 24-hours-a-day 12-
months-a-year.
This paper focuses attention on The U.S. Department Of Energy’s former
Portsmouth Gaseous Diffusion Plant (PORTS), a Cold War-era uranium
enrichment plant located on a secure 3,700+ acres in a rural area …
Space Solar Power Aids Space Settlement, Gaurav Kumar, Deepak Talwar, Harmanjot Singh Walia, Mahiyal B. Singh, Kaenat Seth, Ishaan Mehta, Navdeep Singh Makkar
Space Solar Power Aids Space Settlement, Gaurav Kumar, Deepak Talwar, Harmanjot Singh Walia, Mahiyal B. Singh, Kaenat Seth, Ishaan Mehta, Navdeep Singh Makkar
Online Journal of Space Communication
The Grand Prize for the 2011 NASA Ames Space Settlement Contest went to a team of 7 students (11-12 grades) from Punjab, India for creating the Hyperion Space Settlement. This year the contest received 355 submissions from 1078 students sponsored by 114 teachers. Entries came from 14 countries: Australia, Bulgaria, Canada, China, India, Ireland, Japan, Pakistan, Romania, Singapore, Turkey, Ukraine, United Arab Emirates, and the United States. The prize was conferred on the students during the International Space Development Conference 2011 (ISDC 2011) held in Huntsville, Alabama, USA.
Advisors: The teachers of Spring Dale Senior School in Amritsar, India. Stephen …
Space Solar Rectifying Antenna On Earth, Corey Bergsrud, Timothy Dito, Matthew Anderson, Matthew Clausing, Chase Freidig
Space Solar Rectifying Antenna On Earth, Corey Bergsrud, Timothy Dito, Matthew Anderson, Matthew Clausing, Chase Freidig
Online Journal of Space Communication
The realization of solar power from space is becoming increasingly closer as a solution to solving the continued growth in energy demand. Space based solar power is also being perceived as an alternative solution for non-renewable energy resources. Future solar power satellites will be positioned in orbit around the Earth where they will collect solar radiation. That radiation will be transformed into a microwave energy beam that is targeted to a receiving rectifying antenna or “rectenna” located on Earth’s surface. The received microwave energy will be converted into direct current electricity.
This presentation focuses on the microwave patch antennas used …
From Uranium Enrichment To Renewable Energy, Harold Bon, Solomon Brown, Michael Cisneros, Kent Engel, Tyler Goldberg, Matt Kissel, Alexa Krivoniak, Brandon Lutz, Zach Reese, Amanda Roberts, Colin Stonerook, Zoe Zeszut, Anthony Zoccola
From Uranium Enrichment To Renewable Energy, Harold Bon, Solomon Brown, Michael Cisneros, Kent Engel, Tyler Goldberg, Matt Kissel, Alexa Krivoniak, Brandon Lutz, Zach Reese, Amanda Roberts, Colin Stonerook, Zoe Zeszut, Anthony Zoccola
Online Journal of Space Communication
The goal of this Science/Engineering visualization is to show how gigawatt quantities of renewable energy can be generated at former nuclear processing sites as they are repurposed into industrial scale electrical power generation stations. The breakthrough product of this research is the design of an integrated terrestrial solar/space energy receiving station that will produce “baseload” electricity 24 hours a day.
This research focuses attention on a Cold War-era uranium enrichment facility located on 3,700 acres of land in a rural area of SE Ohio. This site is judged to be suitable for research leading to the first-ever combination ground-based and …
Space Solar Power With Sunsynchronous Orbits, Michael Blohm, Alan Guy, Kyle Perkins, Adam Roades, Samantha Williams
Space Solar Power With Sunsynchronous Orbits, Michael Blohm, Alan Guy, Kyle Perkins, Adam Roades, Samantha Williams
Online Journal of Space Communication
The basic problem being addressed here is the high initial cost of solar power satellite (SPS) systems. The cost is higher for GEO orbits because of the large solar array and transmitter sizes required from that distance, and the expense of lifting such a mass into the higher orbits. Aperture size is proportional to the distance the power is beamed; thus transmitter apertures can be smaller when nearer to Earth.
Decreasing the distance energy must be beamed through space means that the powersat need not be so large, or as expensive. Implementation of sunsynchronous sunsats will likely be a more …
Solar Sails: Towards An Early Profitable Powersat, Jake Coggiano, John Dees, Ryan Heitkemper, Lauren Valko
Solar Sails: Towards An Early Profitable Powersat, Jake Coggiano, John Dees, Ryan Heitkemper, Lauren Valko
Online Journal of Space Communication
Successful development of space solar power would provide vast quantities of clean electrical energy for the next few billion years. Such a prize is worth considerable effort and risk. However, the technical difficulties and the huge scale of proposed systems, requiring enormous up front costs and long development times, have prevented SSP from making much progress.
If a way could be found to field a small SSP system profitably, even if limited to niche markets, operational progress could be made with relatively small investments over short time scales. This visualization explores the concept of a “thin-film heliogyro” – a solar …
Space Solar Power For Agriculture, Max Alvarez, Alex Wiseman, Alex Welsh, Rashmi Sharma, Adedayo Ogundimu, Brian Woods
Space Solar Power For Agriculture, Max Alvarez, Alex Wiseman, Alex Welsh, Rashmi Sharma, Adedayo Ogundimu, Brian Woods
Online Journal of Space Communication
As the global population increases, it's becoming more important for nations to be able to feed themselves. Unfortunately, while some developing nations may be able to produce large amounts of fruits and vegetables, they may lack access to facilities for food preservation. This problem is at the heart of food security issues across Asia and Africa. Working in consultation with Peter Garretson, an International Affairs Fellow in India, our Ohio University student team has designed a space-based solar power solution that addresses this need, with the potential to provide many secondary benefits. While our project targets the Indian subcontinent and …
Millimeter Wave Space Power Grid, Brendan Dessanti, Nicholas Picon, Carlos Rios, Shaan Shah
Millimeter Wave Space Power Grid, Brendan Dessanti, Nicholas Picon, Carlos Rios, Shaan Shah
Online Journal of Space Communication
The Space Power Grid (SPG) architecture illustrated in this visualization represents an evolutionary approach to realizing the global dream of Space Solar Power (SSP). The Georgia Tech approach to SPG concentrates on helping terrestrial power plants become viable, aligning with public policy priorities. It enables a real-time power exchange through space to help locate new plants at ideal but remote sites, smooth supply fluctuations, reach high-valued markets, and achieve baseload status. Over time, this approach will enable other architectures and applications of space solar power.
Advisor: Dr. Narayanan Komerath, Daniel Guggenheim School of Aerospace Engineering, Georgia Institute of Technology; Atlanta, …
Space Solar Power For Disaster Relief, Kristin Brumley, Huyen Nguyen, Erik Alexeff, Nadiah Mukhiar, Dyah Hening, Steve Buchanan
Space Solar Power For Disaster Relief, Kristin Brumley, Huyen Nguyen, Erik Alexeff, Nadiah Mukhiar, Dyah Hening, Steve Buchanan
Online Journal of Space Communication
Solar Powered satellites will have a future as an aid in disaster relief. These new satellites will not only be useful in gathering sun’s energy from space and transmitting it to Earth as electrical power, it can be expected that they will also be used in restoring communication and providing remote sensing as well as illumination.
The recovery from disaster events is a timely stand-by service needed by all societies. In a collaborative effort of spacefaring nations and their partners, the launch of constellations of satellites that circle the globe will make rescue team response to saving lives quicker and …