Electrostatic Dust Mitigation And Manipulation Techniques For Planetary Dust PDF Download
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| Author | : Nima Gharib |
| Publisher | : Elsevier |
| Total Pages | : 276 |
| Release | : 2022-08-18 |
| Genre | : Technology & Engineering |
| ISBN | : 0128232552 |
Download Electrostatic Dust Mitigation and Manipulation Techniques for Planetary Dust Book in PDF, ePub and Kindle
Electrostatic Dust Mitigation and Manipulation Techniques for Planetary Dust explains how to control and remove dust in space due to the presence of a vacuum, abrasiveness of dust particles and electrostatic charge on particles. The book introduces innovative technologies that use electrostatic and di-electrophoretic forces to remove and transport small particles away from surfaces. In addition, it discusses how to resolve thermal control problems and reduce lung inhalation and eye irritation problems. The book includes two abrasive wear test devices that were designed to study the rate of volume wear for di?erent materials when subjected to lunar dust simulant of di?erent size ranges. This will be an ideal resource for space system engineers, space exploration researchers, and advanced students and professionals in space engineering. Provides a comprehensive background on lunar and Martian dust properties and challenges and compares currently available mitigation strategies Highlights the problems from dust on various space systems and crew Features discrete element models which were created and calibrated based on experimental results to study the capacity of the proposed technique for removing and cleaning dust in a planetary environment
| Author | : V. Mody |
| Publisher | : William Andrew |
| Total Pages | : 224 |
| Release | : 1988 |
| Genre | : Medical |
| ISBN | : |
Download Dust Control Handbook Book in PDF, ePub and Kindle
Consolidates information developed by industry and government laboratories on dust control engineering techniques. Designed for the minerals processing industry, the technology applies to other industries as well. Dust, its prevention, formation and control are examined, including wet and dry control systems, personal protection, and testing methods.
| Author | : Nima Afshar-Mohajer |
| Publisher | : |
| Total Pages | : 145 |
| Release | : 2014 |
| Genre | : |
| ISBN | : |
Download Control of Charged Lunar Dust Using Electrostatic Technologies Book in PDF, ePub and Kindle
Protecting sensitive surfaces from dust deposition in the limiting condition of the lunar atmosphere is imperative for future space exploration. An electrostatic lunar dust collector (ELDC) was developed to prevent lunar dust deposition on the exposed surface equipment efficiently. First, Eulerian-based analytical equations were derived to interrelate key parameters. Application of electrostatic field strength of 20 kV/m was found to be enough for collecting particles up to 240 μm in size. Then, the Lagrangian-based discrete element method (DEM) was used to track particle trajectories individually. Inclusion of electrical particle-particle interactions and non-uniformity of the e-field provided a more accurate efficiency determination resulting in an e-field strength of 3.5 kV/m for 100% collection of 20-μm particles. How back electrostatic field due to charge build-up on the collection plates affect performance of an ELDC was then studied using a modified DEM model. The maximum time ELDC can run without significant loss in collection efficiency was estimated to be 3 times per month. Finally, the collection efficiency of the ELDC was investigated experimentally inside a vacuum chamber. The results indicated better tribochargeability of JSC-1A particles than Chenobi particles.
| Author | : Stuart A. Hoenig |
| Publisher | : |
| Total Pages | : 62 |
| Release | : 1982 |
| Genre | : |
| ISBN | : |
Download Electrostatic Technology for Control of Dust and Hydrocarbon Vapors in High Power Laser Systems Book in PDF, ePub and Kindle
The application of electrostatic techniques has been investigated as a repulsion system to keep dust off mirrors that might be used in high-power laser systems. A demonstration unit for a 30 cm mirror was built and shipped to Kirtland Air Force Base as part of the program. Other efforts investigated the development of technology that might be used to keep dust and contaminants off large mirrors in an orbiting space platform. If there is dust deposition it may be practical to clean the reflecting surfaces with a dry wipe-off system without damaging delicate coatings or metal films. (Author).
| Author | : Eberhard Grün |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 824 |
| Release | : 2012-12-06 |
| Genre | : Science |
| ISBN | : 3642564283 |
Download Interplanetary Dust Book in PDF, ePub and Kindle
An excellent handbook on the physics of interplanetary dust, a topic of interest not only to astronomers and space scientists but also to engineers. The following topics are covered in the book: historical perspectives; cometary dust; near-Earth environment; meteoroids and meteors; properties of interplanetary dust, information from collected samples; in situ measurements of cosmic dust; numerical modeling of the Zodiacal Cloud structure; synthesis of observations; instrumentation; physical processes; optical properties of interplanetary dust; orbital evolution of interplanetary dust; circumplanetary dust, observations and simple physics; interstellar dust and circumstellar dust disks. No doubt, the text will be regarded as the standard reference on interplanetary dust for many years to come.
| Author | : |
| Publisher | : |
| Total Pages | : 200 |
| Release | : 1982 |
| Genre | : Aeronautics |
| ISBN | : |
Download NASA Technical Memorandum Book in PDF, ePub and Kindle
| Author | : |
| Publisher | : |
| Total Pages | : 994 |
| Release | : 1995 |
| Genre | : Aeronautics |
| ISBN | : |
Download Scientific and Technical Aerospace Reports Book in PDF, ePub and Kindle
| Author | : Howard D. Curtis |
| Publisher | : Elsevier |
| Total Pages | : 740 |
| Release | : 2009-10-26 |
| Genre | : Technology & Engineering |
| ISBN | : 0080887848 |
Download Orbital Mechanics for Engineering Students Book in PDF, ePub and Kindle
Orbital Mechanics for Engineering Students, Second Edition, provides an introduction to the basic concepts of space mechanics. These include vector kinematics in three dimensions; Newton’s laws of motion and gravitation; relative motion; the vector-based solution of the classical two-body problem; derivation of Kepler’s equations; orbits in three dimensions; preliminary orbit determination; and orbital maneuvers. The book also covers relative motion and the two-impulse rendezvous problem; interplanetary mission design using patched conics; rigid-body dynamics used to characterize the attitude of a space vehicle; satellite attitude dynamics; and the characteristics and design of multi-stage launch vehicles. Each chapter begins with an outline of key concepts and concludes with problems that are based on the material covered. This text is written for undergraduates who are studying orbital mechanics for the first time and have completed courses in physics, dynamics, and mathematics, including differential equations and applied linear algebra. Graduate students, researchers, and experienced practitioners will also find useful review materials in the book. NEW: Reorganized and improved discusions of coordinate systems, new discussion on perturbations and quarternions NEW: Increased coverage of attitude dynamics, including new Matlab algorithms and examples in chapter 10 New examples and homework problems
| Author | : |
| Publisher | : |
| Total Pages | : 368 |
| Release | : 1993 |
| Genre | : Large space structures (Astronautics) |
| ISBN | : |
Download Large Space Structures & Systems in the Space Station Era Book in PDF, ePub and Kindle
| Author | : Grant Heiken |
| Publisher | : CUP Archive |
| Total Pages | : 796 |
| Release | : 1991-04-26 |
| Genre | : Science |
| ISBN | : 9780521334440 |
Download Lunar Sourcebook Book in PDF, ePub and Kindle
The only work to date to collect data gathered during the American and Soviet missions in an accessible and complete reference of current scientific and technical information about the Moon.
