Download or read book An Evaluation of the Measurement Requirements for an In Situ Wake Vortex Detection System written by and published by . This book was released on 1996 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book An Evaluation of the Measurement Requirements for an In Situ Wake Vortex Detection System written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-30 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: Results of a numerical simulation are presented to determine the feasibility of estimating the location and strength of a wake vortex from imperfect in-situ measurements. These estimates could be used to provide information to a pilot on how to avoid a hazardous wake vortex encounter. An iterative algorithm based on the method of secants was used to solve the four simultaneous equations describing the two-dimensional flow field around a pair of parallel counter-rotating vortices of equal and constant strength. The flow field information used by the algorithm could be derived from measurements from flow angle sensors mounted on the wing-tip of the detecting aircraft and an inertial navigation system. The study determined the propagated errors in the estimated location and strength of the vortex which resulted from random errors added to theoretically perfect measurements. The results are summarized in a series of charts and a table which make it possible to estimate these propagated errors for many practical situations. The situations include several generator-detector airplane combinations, different distances between the vortex and the detector airplane, as well as different levels of total measurement error. Fuhrmann, Henri D. and Stewart, Eric C. Langley Research Center RTOP 505-69-59-04...

Download or read book NASA Technical Memorandum written by and published by . This book was released on 1997 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book NASA Langley Scientific and Technical Information Output 1996 written by and published by . This book was released on 1997 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book 2019 2020 Assessment of the Army Research Laboratory written by National Academies of Sciences, Engineering, and Medicine and published by National Academies Press. This book was released on 2020-06-22 with total page 89 pages. Available in PDF, EPUB and Kindle. Book excerpt: The mission of Army Research Laboratory (ARL) is to discover, innovate, and transition science and technology to ensure dominant strategic land power. The ARL's core competencies include network and information sciences, computational sciences, human sciences, materials and manufacturing sciences, propulsion sciences, ballistic sciences, and protection sciences. As part of a biennial assessment of the scientific and technical quality of the ARL, this interim report summarizes the findings and recommendations for network and information sciences, computational sciences, and human sciences research.

Download or read book Government Reports Announcements Index written by and published by . This book was released on 1996 with total page 948 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book National Academy of Sciences decadal plan for aeronautics hearings written by and published by DIANE Publishing. This book was released on with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Marine Research written by and published by . This book was released on 1969 with total page 764 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The National Academy of Sciences Decadal Plan for Aeronautics written by United States. Congress. House. Committee on Science. Subcommittee on Space and Aeronautics and published by . This book was released on 2007 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Decadal Survey of Civil Aeronautics written by National Research Council and published by National Academies Press. This book was released on 2006-10-27 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: The U.S. air transportation system is very important for our economic well-being and national security. The nation is also the global leader in civil and military aeronautics, a position that needs to be maintained to help assure a strong future for the domestic and international air transportation system. Strong action is needed, however, to ensure that leadership role continues. To that end, the Congress and NASA requested the NRC to undertake a decadal survey of civil aeronautics research and technology (R&T) priorities that would help NASA fulfill its responsibility to preserve U.S. leadership in aeronautics technology. This report presents a set of strategic objectives for the next decade of R&T. It provides a set of high-priority R&T challengesâ€"-characterized by five common themesâ€"-for both NASA and non-NASA researchers, and an analysis of key barriers that must be overcome to reach the strategic objectives. The report also notes the importance of synergies between civil aeronautics R&T objectives and those of national security.

Download or read book 1st AIAA Aircraft Engineering Technology and Operations Congress written by and published by . This book was released on 1996 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Wind Shear Detection Technology written by United States. Congress. House. Committee on Science and Technology. Subcommittee on Transportation, Aviation, and Materials and published by . This book was released on 1984 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Earth Resources written by and published by . This book was released on 1977 with total page 852 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Marine Research Fiscal Year 1968 written by National Council on Marine Resources and Engineering Development (U.S.) and published by . This book was released on 1969 with total page 756 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Cumulative Index to ASCE Publications written by American Society of Civil Engineers and published by . This book was released on 1979 with total page 1222 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Marine Research written by and published by . This book was released on 1969 with total page 766 pages. Available in PDF, EPUB and Kindle. Book excerpt: