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Dynamic Response of an Unbalanced Rigid Rotor Bearing System With a Nonlinear Hydrodynamic Force
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Planar dynamics of a rotor supported by long hydrodynamic journal bearing is investigated theoretically. An analytical model of the long journal bearing system is numerically integrated for analysis of fixed point and ...
Tonal Noise Suppression of an Underexpanded Orifice Jet Upon Impingement Over Corrugated Geometries
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The current study investigates the noise generation of an orifice jet upon impingement over different corrugated geometries for different nozzle pressure ratios (NPRs). Semi-circular corrugations of different pitch lengths ...
Transient Behavior of Crossflow Heat Exchangers Due To Sinusoidal Excitation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Transient temperature response of crossflow heat exchangers with both fluids unmixed and finite wall capacitance is investigated numerically for sinusoidal excitation provided in hot fluid inlet ...
Dynamic Behavior of Three-Fluid Crossflow Heat Exchangers
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A transient temperature response of three-fluid heat exchangers with finite and large capacitance of the separating sheets is investigated numerically for step, ramp, exponential, and sinusoidal ...
Active Constrained Layer Damping of Beams With Natural Fiber Reinforced Viscoelastic Composites
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Viscoelastic composite reinforced with natural fibers is proposed here for the damping treatment of structures for vibration attenuation. The constrained layer damping (CLD) method is found a prominent structural vibration ...
Mathematical Analysis for Off-Design Performance of Cryogenic Turboexpander
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A study has been conducted to determine the off-design performance of cryogenic turboexpander. A theoretical model to predict the losses in the components of the turboexpander along the fluid ...
Spectral Approach on Multiscale Roughness Characterization of Nominally Rough Surfaces
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper attempts to demonstrate a systematic spectral approach for the characterization of the topographic nature of rough surfaces. Multiscale roughness characterization reveals a panoramic structure of microgeometric ...
Laminar Flow Along a Porous Vertical Wall
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The behavior of boundary layer thickness, film thickness is investigated for steady laminar flow along a porous vertical wall. Using a sixth-degree velocity profile the resulting equation from ...
Pool Boiling Heat Transfer From Deformable Particulate Beds
Publisher: The American Society of Mechanical Engineers (ASME)
Quantitative Evaluation of the Dependence of Pool Boiling Heat Transfer Enhancement on Sintered Particle Coating Characteristics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Immersion cooling strategies often employ surface enhancements to improve the pool boiling heat transfer performance. Sintered particle/powder coatings have been commonly used on smooth surfaces to reduce the wall superheat ...
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