For advanced aerospace propulsion systems, development of ceramic matrix composite integrally-bladed turbine disk technology is attractive for a number of reasons. The high strength-to-weight ratio of ceramic composites helps to reduce engine weight and the onepiece construction of a blisk will result in fewer parts count, which should translate into reduced operational costs. One shortcoming w...

complex applications such as satellite control, autonomy, and data analysis; the Pilot's Associate; autonomous vehicles; battle management; aerospace systems (for example, monitoring electric, power, propulsion, and life-support systems); communications network monitoring and control; robotics and vision systems; process control; financial advice (for example, a market monitor, adviser, or trad...

M.Grott, T. Spohn, L. Richter, M.A. Wieczorek, J. Knollenberg S.E. Smrekar, G. Kargl, R.M. Ambrosi and the HP instrument team, Institute of Planetary Research, German Aerospace Center (DLR), Berlin, Germany ([email protected], [email protected], [email protected]), Institute of Space Systems, German Aerospace Center (DLR), Bremen, Germany ([email protected]), Institut de Physique...

NUMERICAL THERMAL MODEL. J.S. Kargel, R. Furfaro, J.A.P. Rodriguez, P. Candelaria, O. PrietoBallesteros, G.M. Marion, J. Crowley, and S. Hook, Department of Hydrology & Water Resources, University of Arizona, [email protected], Deprtment of Aerospace & Mechanical Engineering, University of Arizona, Planetary Science Institute, Tucson, AZ, CAB-INTA-CSIC, Madrid, Desert Research Institute, R...

Designing and developing new aerospace propulsion systems is time-consuming and expensive. Computational simulation is a promising means for alleviating this cost, but requires a flexible software simulation system capable of integrating advanced multidisciplinary and multifidelity analysis methods, dynamically constructing arbitrary simulation models, and distributing computationally complex t...

Researchers at the NASA Lewis Research Center are currently developing an "intelligent" interface to aid in the development and use of large, computational fluid dynamics flow-solver codes for studying the internal fluid behavior of aerospace propulsion systems. This paper discusses the requirements, design, and implementation of an intelligent interface to Proteus, a general purpose, 3-dimensi...

One of the main vibration problems of aerospace vehicles with liquid fuel propulsion system is fuel sloshing. This phenomenon is a low frequency vibrational challenge which can affect the motion of the vehicle and degrade the stability of the main control system. In this regards, the motion of the liquid will be very critical when the frequency of the sloshing is very close to the frequencies o...