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RISPotential Method for 3D Wave Propagation in a Poroelastic Medium and Its Applications to Lamb’s Problem for a Poroelastic Half-Space
Publisher: American Society of Civil Engineers
Abstract: In cylindrical coordinates, a potential method is developed for three-dimensional (3D) wave propagation in a poroelastic medium. By using the proposed potential method, the wave propagation problems can be reduced to the ...
Experimental Study of the Rotor–Arm Interaction Noise in Single and Contra-Rotating Rotors of eVTOL Aircraft
Publisher: American Society of Civil Engineers
Abstract: The installation effects of arms connected to single and contra-rotating rotors of electric vertical take-off and landing (eVTOL) aircraft are of great importance for noise radiation in the far field. In this study, ...
Development of an Eddy Current Sensor for Orthotropic Steel Decks Based on the Halbach Array
Publisher: American Society of Civil Engineers
Abstract: AbstractEddy current testing (ECT) is a noncontact testing method, which has been recently
applied in orthotropic steel decks detection for the through-deck type fatigue cracks.
However, the detection sensitivity is quite ...
A Method for Adjustable Planar and Spherical Four-Bar Linkage Synthesis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper describes a new method to synthesize adjustable four-bar linkages, both in planar and spherical form. This method uses fixed ground pivots and an adjustable length for input and ...
Fundamental Solutions of Poroelastodynamics in Frequency Domain Based on Wave Decomposition
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Fundamental solutions of poroelastodynamics in the frequency domain have been derived by Cheng et al. (1991, “Integral Equation for Dynamic Poroelasticity in Frequency Domain With BEM Solution,†J. Eng. Mech., 117(5), ...
Transonic Buffet in Flow Past a Low-Reynolds-Number Airfoil
Publisher: American Society of Civil Engineers
Abstract: For propeller-driven Mars airplanes operating at low Reynolds numbers, the speed of the rotor tips may reach transonic. To date, only a few studies have investigated the transonic buffet in flow past low-Reynolds-number ...
Thermal Properties of Hybrid Fiber-Reinforced Reactive Powder Concrete at High Temperature
Publisher: ASCE
Abstract: In order to study the thermal properties of reactive powder concrete (RPC) at high temperatures, the thermal conductivity, thermal diffusivity, specific heat capacity, and linear expansion coefficient of hybrid fiber-reinforced ...
Research on the Emission Characteristics of a Passenger Car Powered by Ethanol, Methanol, and Liquefied Petroleum Gas Under Real-World Running Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Alternative fuels have gained considerable attention because of their excellent sustainable energy conservation and emission reduction characteristics. In this study, emission characteristics and fuel economy of three ...
Effect of Stratification and Crossflow on the Dynamics of Bubble Plumes
Publisher: American Society of Civil Engineers
Abstract: AbstractBubble plumes in stratified environments are very common in both environmental and
industrial processes, with stratification influencing the mixing and material transport
mechanisms. In this study, Eulerian–Lagrangian ...
Understanding the Role of Coral Powder in the Rheological, Shrinkage, and Mechanical Properties and Pore Structure of Coral Mortar
Publisher: American Society of Civil Engineers
Abstract: The content of coral powder in coral aggregates significantly impacts the quality of coral mortars using coral aggregates, ultimately affecting various properties of coral mortars. Hence, to elucidate the role of coral ...