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3.746  Articles
1 of 376 pages  |  10  records  |  more records»
Combustion instability in rocket engines is accompanied by large-amplitude pressure fluctuations in the combustion chamber and (or) intense vibration of the load-bearing structural elements. Unstable operation leads to a decrease in thrust, specific impul... see more

The aim of this paper is to verify the applicability of the Rayleigh-Lamb equation to drops having different diameters and, specifically, with diameters of the order of magnitude of centimeters (macro drops), millimeters or micrometers (micro dr... see more

When studying the temperature dependences of the acoustic absorption and the modulus of elasticity, absorption peaks are often observed, which correspond to the characteristic step on the temperature dependence of the modulus of elasticity. Such features ... see more

This study concerns the flow-acoustic characterisation of a cavity-based combustor configuration. A well-validated numerical tool has been used to simulate the unsteady, two-dimensional reacting flow. Initially, a conventional flow over a cavity with dime... see more

This project discuss about the defect detection of plastic pipe by using nonlinear acoustic wave modulation method. Nonlinaer acoustic modulations are investigated for fatigue crack detection. It is a sensitive method for damage detection and it is based ... see more

Resonance is often used to characterize relationships, but it is acomplex concept that explains quite different physical,physiological and psychological processes. With the aim of gainingdeeper insight into the concept of resonance, a group of ten musicth... see more

Underwater Positioning System (UPS) is a system to track the existence of the position of an object by utilizing the arrival time of the signal measurement. On land, the system uses an electromagnetic signal called GPS. However, because it cannot penetrat... see more

This project discuss about the defect detection of plastic pipe by using nonlinear acoustic wave modulation method. Nonlinaer acoustic modulations are investigated for fatigue crack detection. It is a sensitive method for damage detection and it is based ... see more

En este trabajo se desarrolla el modelado dinámico de lámparas de descarga de alta intensidad (HID en inglés), de manera que pueda contribuir al desarrollo posterior de un sistema de control avanzado sobre la etapa de potencia de un balasto electrónico, q... see more

1 of 376 pages  |  10  records  |  more records»