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Author: Kimiya Komurasaki Publisher: AIP Conference Proceedings (Nu ISBN: Category : Science Languages : en Pages : 692
Book Description
This book comprises the proceedings of the Fourth International Symposium on Beamed Energy Propulsion, offering the latest progress in the field of advanced space propulsion systems powered by laser, microwave, and charged beams, covering aspects from fundamental issues to future space exploration plans. Topics include: fluid dynamics in air-breathing laser propulsion; laser supported detonation and energy deposition; lightcraft; laser in-tube thruster; ablative propulsion and microthrusters; liquid propellant and more.
Author: Kimiya Komurasaki Publisher: AIP Conference Proceedings (Nu ISBN: Category : Science Languages : en Pages : 692
Book Description
This book comprises the proceedings of the Fourth International Symposium on Beamed Energy Propulsion, offering the latest progress in the field of advanced space propulsion systems powered by laser, microwave, and charged beams, covering aspects from fundamental issues to future space exploration plans. Topics include: fluid dynamics in air-breathing laser propulsion; laser supported detonation and energy deposition; lightcraft; laser in-tube thruster; ablative propulsion and microthrusters; liquid propellant and more.
Author: Andrew V. Pakhomov Publisher: American Institute of Physics ISBN: 9780735402515 Category : Science Languages : en Pages : 640
Book Description
This book contains nearly a complete collection of papers presented at the Third International Symposium on Beamed Energy Propulsion. It will provide an inspirational reading to researchers in the field of advanced propulsion, students and faculty in physics and engineering departments, as well as a general audience concerned with the future exploration of space. Topics include: Systems and Missions; Lightcraft Dynamics; Microwave Beamed-Energy Propulsion; Lasers for Propulsion; Ablative Laser Propulsion and Related Techniques; Airspikes; New Vehicle Concepts; Fundamental Issues.
Author: Andrew V. Pakhomov Publisher: American Institute of Physics ISBN: Category : Science Languages : en Pages : 750
Book Description
Papers presented at the First International Symposium on Beamed Energy Propulsion, as the first conference of this kind, demonstrated that beamed energy propulsion is an established worldwide field of research and engineering, and an extremely active field of new technology. Four countries have already launched their lightcrafts, and the day when they will reach space is looming in the near future. A major demonstration of microwave propulsion in space will be conducted this year. Laser-based microthrusters are becoming off-the-shelf technology. Microairplanes and dirigibles are now riding on laser beams. Even planetary defense systems left sci-fi thrillers to become a matter of feasibility discussion. Topics include: Fluid Dynamics in Laser Propulsion; Ablative Laser Propulsion and Microthrusters; Microwave Propulsion; Microwave Sails; Beamed Energy for Interstellar Missions; Hybrid Systems and New Concepts; Miscellaneous Applications; Beam-Propelled Microaircraft; Beam Generation, Propagation, and Reception; Beamed Energy Propulsion; System Analysis; and High-Power BEP User Testing Facilities.
Author: Andrew V. Pakhomov Publisher: American Institute of Physics ISBN: Category : Science Languages : en Pages : 646
Book Description
This book contains nearly a complete collection of papers presented at the Third International Symposium on Beamed Energy Propulsion. It will provide an inspirational reading to researchers in the field of advanced propulsion, students and faculty in physics and engineering departments, as well as a general audience concerned with the future exploration of space. Topics include: Systems and Missions; Lightcraft Dynamics; Microwave Beamed-Energy Propulsion; Lasers for Propulsion; Ablative Laser Propulsion and Related Techniques; Airspikes; New Vehicle Concepts; Fundamental Issues.
Author: National Aeronautics Administration Publisher: CreateSpace ISBN: 9781503234888 Category : Languages : en Pages : 698
Book Description
The official scope of this study was (1) to review and analyze the state-of-art in beamed-energy propulsion (BEP) by identifying potential game-changing applications, (2) to formulate a roadmap of technology development, and (3) to identify key near-term technology demonstrations to rapidly advance elements of BEP technology to Technology Readiness Level (TRL). The two major areas of interest were launching payloads and space propulsion. More generally, the study was requested and structured to address basic mission feasibility. The attraction of BEP is the potential for high specific impulse (Isp) while removing the power generation mass. The rapid advancements in high-energy beamed-power systems and optics over the past 20 years warranted a fresh look at the technology. BEP could help meet the known needs of NASA and/or the Department of Defense (DOD), providing low-cost, rapid access to space for operationally responsive military systems, scientific payloads, and the commercialization of space. For launching payloads, the study concluded that using BEP to propel vehicles into space is technically feasible if a commitment to develop new technologies and large investments can be made over long periods of time. Such a commitment would include specific technologies like multi-megawatt power lasers and microwave sources as well as building new launch facility infrastructure. The costs of the infrastructure are high. From a commercial competitive standpoint, if an advantage of beamed energy for Earth-to-orbit (ETO) is to be found, it will rest with smaller, frequently launched payloads. For space propulsion, the study concluded that using beamed energy to propel vehicles from low Earth orbit to geosynchronous Earth orbit (LEO-GEO) and into deep space is definitely feasible and showed distinct advantages and greater potential over current propulsion technologies. However, this conclusion also assumes that upfront infrastructure investments and commitments to critical technologies will be made over long periods of time. BEP energy source requirements are much less than for the launch applications. Lower propulsion costs with shorter transit times for LEO-GEO servicing missions and faster science missions to the outer planets are the major benefits. The chief issue, similar to that for payloads, is high infrastructure costs. As can happen in detailed examinations of innovative approaches, the study uncovered two unanticipated areas that appear to have great potential and therefore are worthy of consideration for new investment, at least at the "detailed study" level. BEP could provide the key to combining propulsion, power, and communications systems for in-space applications, thus creating a new class of small spacecraft with minimal systems and reducing their complexity, cost, and mass. Beaming energy to a thermal optical plasma engine could provide a highly efficient technology for high-thrust and high-ISP space propulsion. The specifics of these concepts are provided in the main body of the report. Finally, the intention of this study was to work within the time and resources allotted to determine the feasibility of BEP. This involved achieving a single closed-design solution for each mission analyzed which is, in all probability, not the optimum solution. As such, proponents of the investigated concepts may not agree with the study's findings and final design solutions, citing that better performance could be achieved with additional design effort. The authors do not disagree with that perspective. Nonetheless, the study management team was satisfied that the results were sufficient to meet the primary objective, which was to prove or disprove the feasibility of the concept and missions. It is also noted that at this time all possible future demonstrations of beamed energy and power transfer will be pursued solely by NASA.
Author: M. Huberman Publisher: ISBN: Category : Languages : en Pages : 261
Book Description
The objective of this program is to assess the feasibility of the beamed energy propulsion concept for Air Force missions. The results of the study indicate that beamed energy propulsion is technically feasible. No fundamental obstacles have been identified. However considerable technical development is needed in many areas before the concept can be operationally implemented. In order to minimize the required collector area, laser concepts are preferred over microwaves. If space based laser transmitter concepts are to be cost effective they will require the availability of megawatt level space nuclear or solar power stations. In view of the large total energy required for each mission, ground based transmitters will be most cost effective when they are operated closed cycle from central station electric power. Laser transmitting ranges greater than several hundred nautical miles will result in excessive collector sizes. Therefore, ground based transmitters applications will be restricted to orbital functions which can be performed at low orbital altitudes. Three promising applications have been identified. The laser powered tug can be cost effective compared to an advanced cryogenic tug. Apsidal rotation correction and drag make-up are two other missions where significant advantages may be realized for the laser powered concept.
Author: Claude Phipps Publisher: Elsevier ISBN: 0443159025 Category : Technology & Engineering Languages : en Pages : 416
Book Description
Space launches have evoked the same vivid image for decades: bright orange flames exploding beneath a rocket as it lifts off and thunders into the sky. An alternative acceleration system could reshape that vision forever, with rockets leaving their energy source on the ground... or in space. Laser Propulsion in Space: Fundamentals, Technology, and Future Missions takes readers on a comprehensive journey from the theoretical overview of propulsion fundamentals, to reviews of current projects involving high-power CW fiber lasers and energetic mm-wave sources with their ongoing and potential end-use applications in beamed energy propulsion (BEP). Written by experts in the field, this mathematically sound reference text also highlights graphical solutions of equations’ results, as well as case studies with worked-out examples, making this book an invaluable compendium for students, researchers, technology developers and futurists in understanding the promise and challenges of this emerging technology. Covers beamed energy propulsion advances Highlights state-of-the-art BEP applications of LEO debris removal, suborbital and orbital launch, solar system exploration, and interstellar lightsail probes, as well as advances in related photon source technologies and infrastructures Includes opinion sections explaining why we as a technical society should care about each chapter’s topic and the considerably good outcomes that can be achieved with laser engines Is accompanied by a website with video clips and other ancillary materials to enhance insight
Author: Kimiya Komurasaki
Author: Kimiya Komurasaki
Author: Andrew V. Pakhomov
Author: Andrew V. Pakhomov
Author: Andrew V. Pakhomov
Author: National Aeronautics Administration
Author: Robert M. Manning
Author: M. Huberman
Author: 
Author: Claude Phipps
Author: