Abstract: Commercial IGCC power plants need gas turbines with high efficiency and high power output in order to reduce specific installation costs and fuel consumption. Therefore the well-proven 154 MW ...

Abstract: A phenomenological approach is used to represent the nonlinear viscoelastic behavior of solid propellants. A three-dimensional finite strain viscoelastic model, modified by a strain softening ...

Abstract: Mechanical behavior of the Space Shuttle redesigned solid rocket motor (RSRM) propellant is studied from a phenomenological point of view. Motivated by the study of the experimental data three ...

Abstract: Previous measurements of the spectral emissivity of coal ashes are converted to total absorptivities and emissivities. Below the temperature at which ash sinters, the total absorptivity of an ...

Abstract: With increasing mass flow and constant rotational speed of the single shaft gas turbine, the diameters and tip speeds of compressor and turbine blading have to be enlarged. A significant further ...

Abstract: In gas-cooled solar power plants the radiant energy of the sun is transferred to the cycle fluid in a cavity type solar receiver and converted into electric energy by means of a combined ...

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Abstract: Elastomeric bridge bearings have been occasionally observed to move out of their original position. A simple model for this gradual displacement, also known as “walking,” is developed. The model, through a regularized ...

Abstract: Floods are considered to be among the deadliest, costliest, and most common natural disasters. Rapid-onset, catastrophic floods inundate the shore quickly and manifest as deep water with high velocities, inflict great ...

Abstract: A numerical study of dynamic instabilities and vibrations of mechanical systems with friction is presented. Of particular interest are friction-induced vibrations, self-excited oscillations and ...