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RISAmplitudes Decay in Different Kinds of Nonlinear Oscillators
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A transformation is employed to obtain expressions for the decay of the displacement, the velocity, and the energy for various forms of nonlinear oscillators. The equation of motion of the nonlinear oscillator is transformed ...
Asymmetric Magnet Based Nonlinear Energy Sink
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The nonlinear energy sink (NES) is a lightweighted device used for shock mitigation in dynamic structures through its passive targeted energy transfer (TET) mechanism. Here, a new design for the NES is introduced based on ...
Forced Convection Heat Transfer From a Bank of Circular Cylinders Embedded in a Porous Medium
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The characteristics of fluid flow and forced convection heat transfer around a bank of four circular cylinders embedded in a metallic or nonmetallic porous materials have been investigated numerically. Both a staggered and ...
The Danger of Piping Failure Due to Acoustic Induced Fatigue in Infrequent Operations: Two Case Studies
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Failure in piping due to acousticinduced fatigue can be considered catastrophic as it could happen only after a few minutes of operation. Acousticinduced fatigue occurs mainly in gas piping systems with high velocity where ...
Fast Thermal Cycling of Acetanilide as a Storage Material for Solar Energy Applications
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The melting temperature of acetanilide C8H9NO equals 116 آ°C which lies in the range of solar cooking (boiling cooking) of most kinds of food. Acetanilide was used in previous studies as a storage medium integrated within ...
Thermal Behavior and Friction in Journal Bearings
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper deals with friction and the field of temperature in the lubricant film of journal bearings. Theoretical results regarding the thermal behavior are checked with experimental data and ...
Contributions to the Determination of the Real Clearance in Sliding Bearings
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: When the bearing is running, its clearance is no longer equal to the initial one, as a result of the thermal regime and load. This paper presents a calculation method which takes into ...
Toward Incorporating the Infant Weight Into Incubator's Automatic Temperature Control
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A premature infant needs a stable thermal environment. This paper studies if the infant weight can be employed in the standard heat regulation system in incubators. This was done in two stages. First, a weight sensor was ...
Characterizing Cold Bituminous Emulsion Mixtures Comprised of Palm Leaf Ash
Publisher: American Society of Civil Engineers
Abstract: Cold bitumen emulsion mixtures (CBEMs) are a promising substitute for hot mix asphalt (HMA) due to their low environmental impact, cost effectiveness, and low energy production costs. Nevertheless, conventional CBEM has ...