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RISDiscussion: “Investigation of Wall Induced Modifications to Vortex Shedding From a Circular Cylinder” (Angrilli, F., Bergamaschi, S., and Cossalter, V., 1982, ASME J. Fluids Eng., 104, pp. 518–522)
Publisher: The American Society of Mechanical Engineers (ASME)
Hydrogen Escape in the Terrestrial Atmosphere at Low Oxygen Levels: A Photochemical Model
Publisher: American Meteorological Society
Abstract: It has already been shown that a decrease of the oxygen level in the atmosphere of the earth would lower significantly the temperature of the exosphere, thus limiting the escape of hydrogen. The reduction of the escape ...
Analytical/Experimental Study of the Contribution of Individual Seals to Friction Force in Pneumatic Actuators
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents an analytical model and its experimental validation for assessing friction forces in reciprocating seals for single and double rod pneumatic cylinders. The contributions of individual piston and rod ...
Effect of soil moisture on diurnal convection and precipitation in Large-Eddy Simulations
Publisher: American Meteorological Society
Abstract: determination of the sign and magnitude of the soil moisture-precipitation feedback relies either on observations, where synoptic variability is difficult to isolate, or on model simulations, which suffer from biases mainly ...
Evaluation of GFRP Honeycomb Beams for the O’Fallon Park Bridge
Publisher: American Society of Civil Engineers
Abstract: This paper presents a study on the evaluation of the static performance of a glass fiber-reinforced polymer (GFRP) bridge deck that was installed in O’Fallon Park over Bear Creek west of the City of Denver. The bridge deck ...
Concrete Hinges and Integral Bridge Piers
Publisher: American Society of Civil Engineers
Abstract: Concrete hinges are a robust structural concept attributed to Eugène Freyssinet and further developed by Fritz Leonhardt and others. Leonhardt and coworkers also developed simple analysis models that are still used today. ...
Radiative Damping and Amplitude of Long-Wavelength Modes in the Stratosphere
Publisher: American Meteorological Society
Abstract: The dependence of radiative damping rates in the stratosphere is investigated as a function of the distribution of active radiative gases and the wavelength of the temperature perturbation. Damping rates are found to depend ...
Analytical Description of Meshing of Constant Pressure Angle Teeth Profiles on a Variable Radius Gear and its Applications
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a method for determining the profile of the gear teeth on a variable radius wheel characterized by a constant pressure angle. The method can generate special gears using ...
Interpretation of Slope Movements Induced by Adjacent Large Landslide in Northern Italy
Publisher: American Society of Civil Engineers
Abstract: The village of Corniglio, in the district of Parma, Northern Apennines (Italy), has been affected for the last 6 years by a huge landslide—currently one of the largest slope movements in Europe—which has caused considerable ...
A Simple Method to Account for Rayleigh Scattering Effects on Photodissociation Rates
Publisher: American Meteorological Society
Abstract: A simple scheme is proposed to account for the Rayleigh scattering effects on photodissociation rates. The method is based on combining the reflectivity and transmission effects of two layers?one above and one below the ...