AIAA SLTC Intro to Architecting Rapid Growth in Sp

Information about AIAA SLTC Intro to Architecting Rapid Growth in Sp

Published on January 3, 2008

Author: Woofer

Source: authorstream.com

Content

Architecting Rapid Growth in Space Logistics Capabilities:  Architecting Rapid Growth in Space Logistics Capabilities James Michael Snead, P.E. Chair, AIAA Space Logistics Technical Committee [email protected] Notes:  Notes This presentation introduces the full presentation made by the author at the 40th AIAA/ASMC/SAE/ASEE Joint Propulsion Conference in Ft. Lauderdale FL, July 14, 2004 (AIAA 2004-4068). The purpose of this introduction as well as the full presentation is, in accordance with the charter of the AIAA Space Logistics Technical Committee, to improve the public’s understanding of the means to achieve and the value of building a near-term space logistics infrastructure. The views and opinions expressed in this presentation are those of the author and do not necessarily reflect the views and opinions of the AIAA or any other organization. All images pertaining to the space logistics concepts discussed in this presentation are declared a work of the U.S. Government and are not subject to copyright protection in the United States. Specific images not in the public domain, but which have been used in this presentation with permission, are those provided by Terry Sunday. Viewing Notes:  Viewing Notes Because charts in this presentation contain builds, it is best to view this presentation in the “slide show” mode. This section of the chart contains additional descriptive or other related information. Use the left mouse button or the page down key to advance the next chart “build” when (NEXT) is displayed. Multiple layers of descriptive text are displayed in this area of the chart. What The Presentation Is Fundamentally About:  What The Presentation Is Fundamentally About The full presentation answers the fundamental challenge facing America in space in the early 21st century - how to affordably become a true spacefaring nation with the ability to routinely and safely conduct a full range of human space activities throughout the central solar system. Today, this is still a dream. How to make this a reality is the purpose of the full presentation. AIAA Space & Missile Systems Technical Committees:  AIAA Space & Missile Systems Technical Committees Before getting started, it’s helpful to understand why the presentation has been developed. The AIAA Space Logistics Technical Committee (SLTC) is one of 65 technical committees of the American Institute of Aeronautics and Astronautics (AIAA) and is one of 11 committees in the Space and Missile Systems Group. SLTC Vision and Scope:  SLTC Vision and Scope Innovative, near-term space logistics to establish safe and affordable human and robotics spacefaring operations throughout the Earth-Moon System & Beyond Foster the definition and development of near-term, integrated space logistics capabilities that enable safe, affordable, and routine spacefaring operations throughout the central solar system and provide example innovative logistical architectures and related system concepts to support future mission planning and improved public understanding. The vision of the SLTC is the transformation of the United States into a true spacefaring nation with the ability to conduct safe and routine human space operations throughout the central solar system - Earth orbit, Earth-Moon system, Mars, and near-Earth objects or NEOs. (NEXT) The scope of the SLTC’s activities is to develop and provide technically-accurate examples of space logistics architectures and concepts that can enable the United States to achieve the SLTC vision within the next 20 years. The presentation provides one such example architecture and related concepts. The American Spacefaring Dream:  The American Spacefaring Dream In the early 1950s, Dr. Wernher Von Braun, Wiley Lee, and others established a vision of America as a spacefaring nation At the heart of this vision was the establishment of a permanent space logistics infrastructure enabling routine and safe human operations in the central solar system Images copyright © by Terry Sunday (www.zianet.com/sundayt) Used with permission. 6 images self advancing (NEXT) Achieving This Spacefaring Dream:  Near-Term 1st-Gen RLVs Achieving This Spacefaring Dream In the 1950s we didn’t have the technological capability to build the enabling space logistics infrastructure Today, 50 years later, this is no longer the situation The presentation provides technically-representative examples of how America’s aerospace industrial capabilities can be applied to building the enabling space logistics infrastructure (NEXT) 6 images self advancing Super Heavy Spacelifter Space Logistics Base Space Logistics Vehicle Space Hotel Space Logistics Transport 4 Fundamental American Space Program Challenges:  4 Fundamental American Space Program Challenges Establishing the space logistics capabilities that enable civil and commercial human spacefaring operations to be undertaken safely and affordably throughout the central solar system Organizing government and industry to quickly begin the development and deployment of primarily commercial space logistics capabilities Undertaking these government and industry activities in a way that benefits the U.S. aerospace industrial base, including: Beginning the transition of critical technical and operational expertise to a new generation of aerospace professionals through the process of building actual operational systems Revitalizing industrial capabilities Increasing competition and innovation among commercial space providers Encouraging and providing sustaining employment for the next generations of aerospace professionals to enable the United States to become a true spacefaring nation Undertaking this is in a way that is affordable to the U.S. Government The aging of the American aerospace workforce is the most time critical “space” issue facing the United States. Considering the average age of aerospace professionals is in the early 50s and the 5-10 years required to develop a new system, time is running out for starting new development programs through which the hands-on education and training of a new generation of aerospace professionals can be successfully undertaken. In another 5 years, it may be too late. Near-Term Space Logistics Infrastructure Solution:  Near-Term Space Logistics Infrastructure Solution These challenges can be successfully and affordably addressed through a tightly-focused strategy to develop, deploy, and operate an integrated, near-term space logistics infrastructure providing: Assured reusable access to and from low Earth orbit for passengers and cargo Spacelift for heavy and oversize cargo Orbiting space logistics facilities In-space reusable transportation systems based at these orbiting facilities that provide routine transportation, first, throughout the Earth-Moon system and, then, the central solar system The late 1950’s plans for developing the American space program emphasized reusable space access, orbiting space logistics facilities, and in-space reusable transportation systems, reflecting the inherent advantage of building a space exploration and civilization program on the foundation of an integrated logistics infrastructure. Returning to this approach is the core of this example architecture. “Space Access Barrier” Perception Obstacle:  “Space Access Barrier” Perception Obstacle The key obstacle to this strategy is a strongly-held public belief in a “space access barrier” akin to the 1940s public’s belief in a “sound barrier” to human flight faster than the speed of sound Belief in this “space access barrier” has resulted in substantial stagnation in aerospace investment and public doubt about the possibility of becoming a true spacefaring nation One way to overcome this perception is to provide examples of near-term space logistics capabilities that American industry can develop and bring into operation Define how current American aerospace expertise and industrial capabilities can be effectively used Describe the operational capabilities that can be achieved Describe how government and industry can be organized to effectively and affordably bring these space logistics capabilities into operation In the mid-1930s as aeronautical engineers and scientists began to investigate the potential for supersonic flight, limitations on early wind tunnels hampered the ability to conduct tests in the transonic range (the speed where the airflow over the wing reaches Mach 1 or sonic velocity). This testing difficulty led to a newspaper article describing this as a “barrier” to supersonic flight - thus creating the wide-spread perception of the sound barrier. Implementation Timeline Used in this Example:  Implementation Timeline Used in this Example Consistent with the charter of the SLTC, this presentation describes an example architecture and systems for rapidly developing and deploying significant space logistics capabilities over the next 20 years. (NEXT) The top elements are (left to right) 1st-generation (near-term) reusable launch vehicles, a Shuttle-derived heavy space launcher, and a 100-person space hotel. The bottom elements are a LEO space logistics base and space logistics vehicle (left illustration), 2nd-generation RLVs for improved passenger transport, and a large manned spacecraft for logistics transport. All but two of these represent system concepts using current state-of-the-art technology. (NEXT) The two elements of this example that are not near-term technologies are the 2nd-gneration RLVs for general passenger transport and the nuclear thermal rocket propulsion system for the large manned spacecraft to enable it to operate throughout the Earth-Moon system. What Building the Example Space Logistics Infrastructure Can Enable by 2025:  What Building the Example Space Logistics Infrastructure Can Enable by 2025 5,000 - 10,000 people traveling to space each year Routine space access for passengers with reusable space transportation systems Orbiting space hotels for 100-300 people Orbiting space logistics bases to build large space platforms and provide in-space mobility systems Large manned spacecraft to transport passengers and cargo within the Earth-Moon system Routine space logistics operations throughout the Earth-Moon system Civil and commercial spacefaring operations throughout the Earth-Moon system Initial lunar space research bases established Logistical preparations for the first human missions to Mars Revitalization of the aerospace industrial base Encouragement of a new generation of American aerospace professionals Near-Term LEO Space Logistics Base & Associated Logistics Concepts Discussed in the Presentation :  Near-Term LEO Space Logistics Base & Associated Logistics Concepts Discussed in the Presentation LEO Space Logistics Base Near-term RLVs Space Logistics Vehicle (SLV) Passenger spaceplane Space hangars Space Logistics Transport (SLT) SLT hangar SLT flight deck Super Heavy Spacelifter Wernher Von Braun Discussing the Importance of Space Logistics:  Please download this 1.5 min video from the AIAA SLTC web site. www.aiaa.org/tc/sl and then go to reference materials in the menu bar or from the link on the opening page. This video, courtesy of the International Society of Logistics (SOLE), has been prepared to enhance the public’s understanding of the space logistics. (This content of this video is copyrighted by SOLE.) American Institute of Aeronautics & Astronautics Space Logistics Technical Committee Wernher Von Braun Discussing the Importance of Space Logistics Example Near-Term Space Logistics Concepts for Manned Space Operations:  Example Near-Term Space Logistics Concepts for Manned Space Operations Please download this 2.5 min video from the AIAA SLTC web site. www.aiaa.org/tc/sl and then go to reference materials in the menu bar or from the link on the opening page. This video has been prepared by the SLTC to improve the public’s understanding of the importance of logistics capabilities and to show examples of near-term space logistics capabilities described in this presentation. American Institute of Aeronautics & Astronautics Space Logistics Technical Committee What the Full Presentation Discusses:  What the Full Presentation Discusses Near-term space logistics architecture Technical descriptions of near-term RLVs Shuttle-derived Super Heavy Spacelifter LEO space logistics base LEO space hotel Space logistics vehicle Space logistics transport Cost estimates of near-term RLVs Rationale for investment in 2nd-generation RLV-enabling research Overall logistics infrastructure funding strategy United States Space Logistics Authority description As we all know, “the devil is in the details.” The full presentation, running some 350 charts and several additional videos, addresses the details of developing and operating a near-term space logistics infrastructure. Slide18:  AMERICAN INSTITUTE OF AERONAUTICS & ASTRONAUTICS www.aiaa.org/tc/sl Addressing near-term space logistics needs throughout the Earth-Moon System & Beyond

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