Browsing Journal of Aerospace Engineering by Title
Now showing items 2040-2059 of 2238
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T-Tail Flutter Analysis with Simulated Fuselage Stiffness
(American Society of Civil Engineers, 2015)The current work is a contribution to the potential effect of the aft fuselage stiffness modifications on the flutter characteristics of a T-tail. The rear fuselage is simulated by beam elements, based on a fixed T-tail ... -
Tabletop Testbed for Attitude Determination and Control of Nanosatellites
(American Society of Civil Engineers, 2019)To simulate the conditions of the space environment at ground, the Laboratory of Application and Innovation in Aerospace Science (LAICA) of the University of Brasília (UnB) is developing a dedicated testbed to reproducing ... -
Take-Off and Landing Using Ground-Based Power-Simulation of Critical Landing Load Cases Using Multibody Dynamics<sup>1</sup>
(American Society of Civil Engineers, 2016)A novel take-off and landing system using ground-based power is proposed in the EU-FP7 project GABRIEL. The main feature of this system is the complete removal of the landing gear from civil aircraft. The proposed system ... -
Take-Off and Landing Using Ground-Based Power-Simulation of Critical Landing Load Cases Using Multibody Dynamics<sup>1</sup>
(American Society of Civil Engineers, 2016)A novel take-off and landing system using ground-based power is proposed in the EU-FP7 project GABRIEL. The main feature of this system is the complete removal of the landing gear from civil aircraft. The proposed system ... -
TAX: Prototype Expert System for Terrain Analysis
(American Society of Civil Engineers, 1988)Terrain analysis is a time‐consuming, costly, and labor‐intensive process requiring special skills and training. Furthermore, an enormous amount of remotely sensed data is routinely generated by satellite and airborne ... -
Technical Assessment of Space Solar-Power Research Program
(American Society of Civil Engineers, 2001)An independent analysis of current NASA studies on space solar power (SSP) by the American Institute of Aeronautics and Astronautics found many opportunities for international collaboration in an SSP program, including ... -
Technical Issues for Lunar Base Structures
(American Society of Civil Engineers, 1992)The establishment of a permanent human presence on other planets will require establishing permanent infrastructure in new environments. Civil engineers select, define, and implement solutions to infrastructure design ... -
Technical Requirements for Lunar Structures
(American Society of Civil Engineers, 2008)The moon has recently regained the interest of many of the world’s space agencies. Lunar missions are the first steps in expanding manned and unmanned exploration inside our solar system. The moon represents various options; ... -
Technology Assessment and Development of Large Deployable Antennas
(American Society of Civil Engineers, 1993)A National Aeronautics and Space Administration (NASA) research and technology program called the large deployable antenna (LDA) program was initiated in early 1989 by NASA Langley Research Center to investigate and ... -
Technology Readiness and Development Risks of the New Supersonic Transport
(American Society of Civil Engineers, 1998)Realistic specifications for the new supersonic transport call for a 2.2 Mach, 270 passenger, 5,500 NM range aircraft, requiring $15–20 billion for research and development. Nonlinear aerodynamic analysis methods promise ... -
Temperature Effects on Horizontally Curved Concrete Box-Girder Bridges with Single-Column Piers
(American Society of Civil Engineers, 2019)Overturning failures of curved concrete box-girder bridges with single-column piers have occurred frequently in China in recent years. Lack of an appropriate design to resist the forces caused by unevenly distributed ... -
Temperature Effects on Material Behavior of Aerospace Aluminum Alloys for Subsonic and Supersonic Aircraft
(American Society of Civil Engineers, 2010)This review-cum-research paper reports the effects of temperature and time exposure on the material behavior of the aerospace aluminum alloys currently in use in subsonic and supersonic aircraft. The research reported in ... -
Temperature Sensing and Hydration Study of Carbon Nanofiber Aggregates
(ASCE, 2020)Fiber research in concrete construction technology has been helping to prevent catastrophic disasters due to the loss of structural integrity and service life by functioning as structural health monitoring (SHM) technology. ... -
Tension Control Law for Three-Dimensional Deployment of a Geostationary Space Solar Power Station
(ASCE, 8/22/2023 )To collect solar energy in outer space, Tethered Collecting Solar Power Satellite Systems have been proposed by several authors in the last years. A geostationary orbit would be the best location for a space-based solar ... -
Tension Element to Reduce Loads in Rim Support of Inflatable Reflector
(American Society of Civil Engineers, 1994)A structural analysis is performed for the rim support of a pressurized off‐axis paraboloidal membrane that serves as a space‐based solar concentrator. The function of the elliptical rim support is to take up the tensile ... -
Test and Simulation of Horizontal Tail Leading Edge Impacted by Bird
(ASCE, 2022/05/18)In this paper, the finite-element (FE) method combined with smoothed particle hydrodynamic (SPH) method is used to simulate the bird strike process, and a new type of tail leading edge structure is designed. This kind of ... -
Testing of the Aerodynamic Characteristics of an Inflatable Airfoil Section
(ASCE, 9/1/2020 1)Inflatable structures are characterized by being light and easy to manufacture and deploy. Hence, they find many applications in aerospace and aeronautical engineering. In this paper, an inflatable segment with a The ... -
Tether Deformation of Spinning Electrodynamic Tether System and Its Suppression with Optimal Controller
(ASCE, 3/1/2021)Spinning electrodynamic tether systems are considered ideal platforms for payload transportation, removal of space debris, artificial gravity, and so on, for they provide a propellantless solution to orbital maneuver and ... -
The Effect of Unsteady Flapping Motion on the Aerodynamic Performance of Bio-Inspired Alula
(ASCE, 2022-02-24)Avian flight has inspired scientists and engineers for a long time. Flapping-wing micro air vehicle (FMAV) is a kind of air vehicle mimicking the avian flapping flight that has achieved great success in this century. ... -
The ROxygen Project: Outpost-Scale Lunar Oxygen Production System Development at Johnson Space Center
(American Society of Civil Engineers, 2013)In 2009; the Augustine report reinforced the importance of in situ oxygen production as a critical technology for sustainable exploration. Engineers at the National Aeronautics and Space Administration’s Johnson Space ...