Concept Vehicles for VTOL Air Taxi Operations - NASA Technical Reports ...An overview of 'Aerodynamic systems design of axial flow compressors' is presented. Numerous chapters cover topics such as compressor design, potential and viscous flow in two dimensional cascades, compressor stall and blade vibration, and compressor flow theory. Theoretical aspects of flow are also covered. This work is based …Urban Air Mobility (UAM) enables highly automated, cooperative, passenger or cargo-carrying air transportation services in and around urban areas. UAM is a subset of the Advanced Air Mobility (AAM) concept under development by the National Aeronautics and Space Administration (NASA), the Federal Aviation Administration (FAA), and industry.NASA's Responsible AI Plan Artificial Intelligence (AI) is an integral part of today’s process of conducting science and technology development. At NASA, AI has become an integral and important tool for researchers, engineers, data scientists, and technologists in pursuing the ground-breaking discoveries that we are known for, including the command and controlling of our spacecraft and other ...The NASA Oxygen Safety Handbook was originally prepared under NASA contract NAS3-23558 by Paul M. Ordin, Consulting Engineer. The support of the NASA Hydrogen-Oxygen Safety Standards Review Committee in providing technical monitoring of the standard is gratefully acknowledged. The committee included the following members:NASA STI Repository Registered Content (formerly referred to as NTRS-R or NTRS-Registered) contains: The complete STI collection of NASA and non-NASA …NASA Document Inquiry Form Please use this form to inquire about the full-text for the document if it is not available in the record details section. To check the document record for full-text availability, look for the following: NTRS Full-Text: Click to View External Online Source: [URL] Use the questions, comments, and feedback text box below for other …The NASA STI Repository (also known as the NASA Technical Reports Server (NTRS)) provides access to NASA metadata records, full-text online documents, images, and videos. The types of information included are conference papers, journal articles, meeting papers, patents, research reports, images, movies, and technical videos - scientific and ...To solve the issue of lunar night survivability without radioisotope sources of power and heat, a lunar power hibernation approach is being developed at the Glenn Research Center, which exploits the ability of common 18650 Lithium-ion cells to passively survive cryogenic freeze-thaw cycles and recover without apparent performance degradation.NASA did some major celebrating in 2019, and for good reason. Reaching the 50th anniversary of landing on the moon is a fantastic excuse to throw a bit of a party. Technology to increase fire safety is important; it’s even more important wh...The NASA Oxygen Safety Handbook was originally prepared under NASA contract NAS3-23558 by Paul M. Ordin, Consulting Engineer. The support of the NASA Hydrogen-Oxygen Safety Standards Review Committee in providing technical monitoring of the standard is gratefully acknowledged. The committee included the following members:The NASA STI Program operates under the auspices of the Agency Chief Information Offi cer. It collects, organizes, provides for archiving, and disseminates NASA’s STI. The NASA STI Program provides access to the NASA Technical Report Server—Registered (NTRS Reg) and NASA Technical Report Server— Public (NTRS) thus providing one of the ...NTRS - NASA Technical Reports Server. Search. ... As NASA joins with other government space agencies and commercial partners to return humans to the Moon in a sustained manner within the current decade, expectations for PNT knowledge and timeliness at the Moon rival those on Earth. The need exists to develop a viable lunar …There was a lot of build-up to the first manned moon landing, including several unmanned missions to the moon flown by the space programs from both the U.S. and the U.S.S.R. The development of a high tech space suit was another factor in NA...NASA’s STI. The NASA STI program provides access to the NTRS Registered and its public interface, the NASA Technical Reports Server, thus providing one of the largest collections of aeronautical and space science STI in the world. Results are published in both non-NASA channels and by NASA in the NASA STINational Aeronautics and Space Administration (NASA) and ISS International Partners (IPs) as specified in the appropriate ISS Program requirements and agreements. This document addresses preparation, maintenance, and reporting requirements of the safety analyses in support of the safety reviews.The ISS Crew Transportation and Services Requirements Document (CCT-REQ-1130) contains all technical, safety, and crew health medical requirements that are mandatory for achieving a Crew Transportation System Certification that will allow for International Space Station delivery and return of NASA crew and limited cargo. …While high-enthalpy testing that simulates the conditions of space flight remains essential for the evaluation and development of TPS materials, computational tools are already showing promise in reducing the need for widespread testing and can help fast-trackthe design cycle.With the exploration of new destinations EDL instrumentation remains ...The purpose of this handbook is to provide guidance for implementing the Risk Management (RM) requirements of NASA Procedural Requirements (NPR) document NPR 8000.4A, Agency Risk Management Procedural Requirements [1], with a specific focus on programs and projects, and applying to each level of the NASA organizational hierarchy as requirements ...The NASA Oxygen Safety Handbook was originally prepared under NASA contract NAS3-23558 by Paul M. Ordin, Consulting Engineer. The support of the NASA Hydrogen-Oxygen Safety Standards Review Committee in providing technical monitoring of the standard is gratefully acknowledged. The committee included the following members:The NASA Technical Reports Server (NTRS) provides full-text access to most NACA publications and many NASA publications. As of April 2021, a change with the product, has made indexing unreliable; be sure to check other options for access to reports. TRAIL (Technical Reports Archive & Image Library) has both NASA and NACA reports.NASA-STD-8719.25 - 2018-02-05 7 of 37 NPR 1800.1 NASA Occupational Health Program Procedure NPR 7150.2 NASA Software Engineering Requirements NPR 7900.3 Aircraft Operations Management NPR 8705.2 Human-Rating Requirements for Space Systems NPR 8715.3 NASA General Safety Program Requirements NPR 8715.5 Range Flight …The book presents sufficient detail to familiarize and educate thoroughly those responsible for various aspects of liquid propellant rocketry, including engine systems design, engine development, and flight vehicle application. It should enable the rocket engineer to conduct, independently, complete or partial engine systems preliminary detail ...NOTICE: This site will be down for maintenance on Thursday October 26, 2023 between 8:00-11:00pm ET (5:00-8:00pm PT).Sites interested in harvesting from NTRS should review the following guidance before harvesting: Use of Government Information. The NASA STI Repository …Search - NASA Technical Reports Server (NTRS) Clear Filter. Export. Best Match. Items per page: 25. 1 – 25 of 1051. Description of the apparatus and methods of ground and aircraft measurements for the program of experimental research on the development of methods for remote sensing of soils and plants on analog-sites in the USA and USSR in ...Search - NASA Technical Reports Server (NTRS) As of October 27, 2023, NASA STI Services will no longer have an embargo for accepted manuscripts. For more information …Overview. The NASA Computer program CEA (Chemical Equilibrium with Applications) calculates chemical equilibrium compositions and properties of complex mixtures. Applications include assigned thermodynamic states, theoretical rocket performance, Chapman-Jouguet detonations, and shock-tube parameters for incident …NASA STI Repository Registered Content (formerly referred to as NTRS-R or NTRS-Registered) contains: The complete STI collection of NASA and non-NASA …The NASA STI Program upgraded the NASA STI Repository launch , the NASA Technical Reports Server (NTRS). The update was part of a larger project to modernize NASA’s end-to-end STI submission, approval and management system, STRIVES. This page provides guidance on how to search the STI Repository.archiving, and disseminates NASA’s STI. The NASA STI program provides access to the NASA Aeronautics and Space Database and its public interface, the NASA Technical Report Server, thus providing one of the largest collections of aeronautical and space science STI in the world. Results are published in both non-NASA channels and byNASA has been testing new sorbents and designs to meet the KPP for ammonia capacity greater than 11.9 mg/g at less than 1 ppm and dichloromethane capacity greater than 5.4 mg/g12. A catalytic oxidizer design for trace contaminant control has been undergoing life test for over a year. An explorationThe NASA STI Repository (also known as the NASA Technical Reports Server (NTRS)) provides access to NASA metadata records, full-text online documents, images, and videos. The types of information included are conference papers, journal articles, meeting papers, patents, research reports, images, movies, and technical videos – scientific and ...NASA Technical Memorandum 110429 Thermal Contact Conductance Louis J. Salerno and Peter Kittel, Ames Research Center, Moffett Field, California February 1997 National Aeronautics and Space Administration Ames Research Center Moffett Field, California 94035-1000. Thermal Contact ConductanceNTRS - NASA Technical Reports Server. Search. more_vert. Collections About Help Login. Back to Results. Modular Growth NTR Space Transportation System …Geometry Modeling and Grid Generation for Computational Aerodynamic ...Search - NASA Technical Reports Server (NTRS) As of October 27, 2023, NASA STI Services will no longer have an embargo for accepted manuscripts. For more information visit NTRS News.Jan 20, 2023 · The NASA Artemis program will return humans to the Moon. This time, with the help of commercial and international partners, the program's objective is a permanent moon base. The moon base infrastructure, including an orbiting moon station and moon surface assets, will be developed for astronauts to stay for the long haul to learn to live and ... The NASA STI Repository (NTRS) launch provides access to NASA metadata records, full-text online documents, images, and videos. The types of …Sites interested in harvesting from NTRS should review the following guidance before harvesting: Use of Government Information. The NASA STI Repository (NTRS) OpenAPI serves out unlimited, unclassified, publicly available NASA citations and full-text documents (PDFs).The International Space Station (ISS) Program (ISSP) establishes the technical requirements for the safe design, development, test and operation of end items. End items include, but are not limited to: ISS hardware/elements (inclusive of Contractor Furnished Equipment (CFE) and Government Furnished Equipment (GFE)), payload/science hardware, Visiting Vehicles (VV), logistics, crew ...NTRS NTRS - NASA Technical Reports Server. Search. more_vert. Collections About News Help Login. As of October 27, 2023, NASA STI Services will no longer have an embargo for accepted manuscripts. For more information visit NTRS News. Back to Results. ISS Safety Requirements Documents: ...To show how NASA’s Moon-to-Mars (M2M) program can use hardware reliability assessments and comprehensive Probabilistic Risk Assessments (PRAs) to estimate risk of future missions and manage risk via safety and mission success requirements from the top down, so that this risk can be balanced with other program metrics like cost and schedule.NASA's objective is to better understand and effectively manage risk, and thus more effectively ensure mission and programmatic success, and to achieve and maintain high safety standards at NASA. NASA intends to use risk assessment in its programs and projects to support optimal management decision making for the improvement of safety and ...This paper provides an overview and status of the Gateway, which will be an outpost orbiting the Moon that provides vital support for a sustainable, long-term human return to the lunar surface and a steppingstone to Mars as part of the Artemis program. Gateway is a destination for deep space crew expeditions and science investigations, as …Search - NASA Technical Reports Server (NTRS) As of October 27, 2023, NASA STI Services will no longer have an embargo for accepted manuscripts. For more information visit NTRS News. There was a lot of build-up to the first manned moon landing, including several unmanned missions to the moon flown by the space programs from both the U.S. and the U.S.S.R. The development of a high tech space suit was another factor in NA...The update of this handbook continues the methodology of the previous revision: a top-down compatibility with higher level Agency policy and a bottom-up infusion of guidance from the NASA practitioners in the field. This approach provides the opportunity to obtain best practices from across NASA and bridge the information to the established …The NASA STI Program operates under the auspices of the Agency Chief Information Offi cer. It collects, organizes, provides for archiving, and disseminates NASA’s STI. The NASA STI Program provides access to the NASA Technical Report Server—Registered (NTRS Reg) and NASA Technical Report Server— Public (NTRS) thus providing one of the largestNASA's Responsible AI Plan Artificial Intelligence (AI) is an integral part of today’s process of conducting science and technology development. At NASA, AI has become an integral and important tool for researchers, engineers, data scientists, and technologists in pursuing the ground-breaking discoveries that we are known for, including the command and controlling of our spacecraft and other ...NTR News: This is the News-site for the company NTR on Markets Insider Indices Commodities Currencies StocksNASA is investing in Venus surface hardware development Some of the recent investments include: • Development of small probe / lander for long duration surface operations – Long Lived In-Situ Solar System Explorer (LLISSE) • Focused effort on high temperature electronics / sensors - High Operating Temperature Technologies (HOTTech)NTRS NTRS - NASA Technical Reports Server. Search. more_vert. Collections About News Help Login. As of October 27, 2023, NASA STI Services will no longer have an embargo for accepted manuscripts. For more information visit NTRS News. Back to Results. Interior Landscape Plants for Indoor Air Pollution Abatement In this study, the leaves, roots ...For more information visit NTRS News. Lunar Water Extraction Via Lunar Auger Dryer ISRU (LADI) In 2009, the Lunar Reconnaissance Orbiter (LRO) and Lunar …Laura Chávez, artesana de la comunidad Nasa del resguardo Juan Tama de la Plata (Huila) explica al programa Cardinal Sur (2012) la relación entre el tejido c...For more information visit NTRS News. Back to Results Physiological and Molecular Genetic Effects of Time-Varying Electromagnetic Fields on Human Neuronal Cells The present investigation details the development of model systems for growing two- and three-dimensional human neural progenitor cells within a culture medium facilitated by a time ...NASA_NTRS_Archive; additional_collections Language English. The concentration dependence of Mossbauer effect in four carbon ion-implanted iron absorbers, which contain carbon as the solute atoms, has been investigated over the range of concentration 0.05 through 1 atomic percent. The specimens were prepared by …For more information visit NTRS News. Buckling of Thin-Walled Circular Cylinders Recent industry and NASA experience with the development of launch vehicle structures have indicated a need for updated monographs for the design of buckling-critical structures that account for state-of-the-art structural configurations, material systems, and ...The NASA STI Repository (also known as the NASA Technical Reports Server (NTRS)) provides access to NASA metadata records, full-text online documents, images, and videos. The types of information included are conference papers, journal articles, meeting papers, patents, research reports, images, movies, and technical videos – scientific and ...NASA Marshall Space Flight Center, Huntsville, AL 35812 David Ellis5, Laura Evans6 NASA Glenn Research Center, Cleveland, OH 44135 GRCop-42 is a high conductivity, high-strength dispersion strengthened copper-alloy for use in high heat flux applications such as liquid rocket engine combustion devices. This alloy is part of the family of NASA-NASA did some major celebrating in 2019, and for good reason. Reaching the 50th anniversary of landing on the moon is a fantastic excuse to throw a bit of a party. Technology to increase fire safety is important; it’s even more important wh...NTRS NTRS - NASA Technical Reports Server. Search. more_vert. Collections About News Help Login. As of October 27, 2023, NASA STI Services will no longer have an embargo for accepted manuscripts. For more information visit NTRS News. Back to Results. Classical Fifth-, Sixth-, Seventh-, ...This submission consists of NASA's Responsible Artificial Intelligence (RAI) Use Cases. These RAI Use Cases are to be made public, pursuant to the Presidential Executive Order 13960, Promoting the Use of Trustworthy Artificial Intelligence in the Federal Government. They were collected from NASA's practicing AI research …NASA Technical Report Server, thus providing one of the largest collections of aeronautical and space science STI in the world. Results are published in both non-NASA channels and by NASA in the NASA STI Report Series, which includes the following report types: TECHNICAL PUBLICATION. Reports of completed research or a major significant phaseDec 2, 2021 · Space Nuclear Systems (SNS) technology development offers a wide range of capabilities to support NASA’s current and future missions. Executive Order (EO) 13972, “Promoting Small Modular Reactors for National Defense and Space Exploration” [1], issued 5 January 2021, directs NASA to define requirements for NASA utilization of nuclear energy systems for human and robotic exploration ... The NASA STI Program upgraded the NASA STI Repository launch , the NASA Technical Reports Server (NTRS). The update was part of a larger project to modernize NASA’s end-to-end STI submission, approval and management system, STRIVES. This page provides guidance on how to search the STI Repository.The NASA Artemis program will return humans to the Moon. This time, with the help of commercial and international partners, the program's objective is a permanent moon base. The moon base infrastructure, including an orbiting moon station and moon surface assets, will be developed for astronauts to stay for the long haul to learn to live and ...NTRS NTRS - NASA Technical Reports Server. ... As of October 27, 2023, NASA STI Services will no longer have an embargo for accepted manuscripts. For more information visit NTRS News. Back to Results. Nuclear Thermal Rocket (Ntr) Propulsion: A Proven Game-Changing Technology for Future Human Exploration Missions. Document …The NASA STI Program operates under the auspices of the Agency Chief Information Offi cer. It collects, organizes, provides for archiving, and disseminates NASA’s STI. The NASA STI Program provides access to the NASA Technical Report Server—Registered (NTRS Reg) and NASA Technical Report Server— Public (NTRS) thus providing one of the ...NTRS NTRS - NASA Technical Reports Server. Search. more_vert. Collections About News Help Login. As of October 27, 2023, NASA STI Services will no longer have an embargo for accepted manuscripts. For more information visit NTRS News. Back to Results. Classical Fifth-, Sixth-, Seventh-, ...The NASA STI program provides access to the NTRS Registered and its public interface, the NASA Technical Reports Server, thus providing one of the largest ... NASA Langley Research Center . Hampton, VA 23681-2199 . This page is required and contains approved text that cannot be changed. NASA/TM—2016–218602 .The NASA STI Repository (also known as the NASA Technical Reports Server (NTRS)) provides access to NASA metadata records, full-text online documents, images, and videos. The types of information included are conference papers, journal articles, meeting papers, patents, research reports, images, movies, and technical videos – scientific and ...NASA-HDBK-8715.26 . National Aeronautics and Space Administration Approved: 2023-06-30 Superseding N/A . Information and Best Practices Related to NASA Nuclear Flight Safety for Space Flights Involving Space Nuclear Systems . Original Issuance . NASA-HDBK-8715.26—2023-06-30 : 2 of 103 : DOCUMENT HISTORY LOG .The NASA STI Repository (also known as the NASA Technical Reports Server (NTRS)) provides access to NASA metadata records, full-text online documents, images, and videos. The types of information included are conference papers, journal articles, meeting papers, patents, research reports, images, movies, and technical videos – scientific and ... NTRS NTRS - NASA Technical Reports Server. Search. more_vert. ... NASA Work Breakdown Structure (WBS) Handbook The purpose of this document is to provide program/project teams necessary instruction and guidance in the best practices for Work Breakdown Structure (WBS) and WBS dictionary development and use for project …NASA has updated its planetary protection policy and implementation approach in response to advances in scientific understanding of solar system targets, upcoming mission opportunities for exploration and sample return, and the private sector’s emerging capability to plan missions to Earth’s Moon and Mars. In September 2021, the NASA ...The guide is intended as a resource to aid engineers and systems contracts in the design, implementation, and operation of metrology, calibration, and measurement systems, and to assist NASA personnel in the uniform evaluation of such systems supplied or operated by contractors. Methodologies and techniques acceptable in fulfilling …This Vision ConOps is intended as a foundation to engage members of the UAM community and provide a consensus on the future vision of UAM operations. It provides a concept for more detailed discussion and a basis for the exploration of ideas using a common framework to inform the continued development and integration of UAM as part of the broader …High-cycle fatigue (HCF) behavior of a melt-infiltrated, pre-preg SiC/SiC ceramic matrix composite (CMC) was investigated using dogbone tensile specimens …NASA Center for AeroSpace Information (CASI) National Technical Information Service (NTIS) 7115 Standard Drive 5285 Port Royal Road Hanover, MD 21076-1320 Springfield, VA 22161-2171 (301) 621-0390 (703) 605-6000 This publication is based on a lecture delivered by the author to theThe Station Explorer for X-Ray Timing and Navigation (SEXTANT) mission is a technology demonstration enhancement to the Neutron Star Interior Composition Explorer (NICER) mission, a NASA Astrophysics Explorer Mission of Opportunity to the International Space Station (ISS) that was launched in June of 2017. The NICER instrument is a precision ... The NTRS is a valuable resource for researchers, students, educators, and the public to access NASA's current and historical technical literature and engineering results. Over 500,000 aerospace-related citations, over 200,000 full-text online documents, and over 500,000 images and videos are available.As of October 27, 2023, NASA STI Services will no longer have an embargo for accepted manuscripts. For more information visit NTRS News. Subsonic Ultra Green Aircraft Research: Phase 2 This report summarizes the hybrid electric concept design, analysis, and modeling work accomplished by the Boeing Subsonic Ultra Green Aircraft Research (SUGAR ... Nov 21, 2022 · To solve the issue of lunar night survivability without radioisotope sources of power and heat, a lunar power hibernation approach is being developed at the Glenn Research Center, which exploits the ability of common 18650 Lithium-ion cells to passively survive cryogenic freeze-thaw cycles and recover without apparent performance degradation. NASA’s Space Technology Mission Directorate “champions technologies needed to live on and explore the Moon” [1]. This includes capabilities that capitalize on existing lunar resources and carry out surface manufacturing and construction activities.For more information visit NTRS News. Buckling of Thin-Walled Circular Cylinders Recent industry and NASA experience with the development of launch vehicle structures have indicated a need for updated monographs for the design of buckling-critical structures that account for state-of-the-art structural configurations, material systems, and ...NTRS - NASA Technical Reports Server. Search. more_vert. Collections About News Help Login. ... 100-Meter X-ray Beamline is a user facility for x-ray and EUV optics and instrumentation calibration, located at NASA's Marshall Space Flight Center in Huntsville, Alabama. Also known as the Stray Light Test Facility, the Marshall-100 provides a ...The Station Explorer for X-Ray Timing and Navigation (SEXTANT) mission is a technology demonstration enhancement to the Neutron Star Interior Composition Explorer (NICER) mission, a NASA Astrophysics Explorer Mission of Opportunity to the International Space Station (ISS) that was launched in June of 2017. The NICER instrument is a precision ...Jan 13, 2023 · For more information visit NTRS News. 2022 Research & Technology Report The 2022 Research and Technology Annual Report represents what is hopefully the “new normal” for portfolio execution. The portfolio took advantage of the best features of the virtual work environment with collaborations across the nation without any geographical ... Do you want to know the latest natural environments specifications for NASA's Exploration Systems Development programs? Check out this October 2021 document available on a NASA website, which updates the previous versions of SLS-SPEC-159 Cross-Program Design Specification for Natural Environments (DSNE). This document defines the …Adam Swanger / NASA-KSC . March 11, 2022 . Construction of the world’s largest liquid hydrogen (LH 2) storage tank is almost complete at launch pad 39B at NASA Kennedy Space Center (KSC) in Florida. With a usable capacity of 4732 m3 (1.25 Mgal), this new vessel is roughly 50% larger than its sister tank, which is located to the 170 m (550 ft ...The NASA Thesaurus Data File contains all valid terms and hierarchical relationships, USE references, and related terms in machine-readable form. The Data File is available in the following formats: RDF/SKOS, RDF/OWL, ZThes-1.0, and CSV/TXT. The full NASA Thesaurus data files can be downloaded by clicking on a link below. Download …(NTRS Reg) and NASA Technical Report Server— Public (NTRS) thus providing one of the largest collections of aeronautical and space science STI in the world. Results are published in both non-NASA channels and by NASA in the NASA STI Report Series, which includes the following report types: • TECHNICAL PUBLICATION. Reports of