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Performance of Active and Passive Methods for Measuring Low-Frequency Surface Wave Dispersion Curves
Publisher: American Society of Civil Engineers
Abstract: This paper examines the consistency between surface wave dispersion curves measured at wavelengths of up to 600 m using active and passive methods at sites in the Mississippi Embayment. Large-diameter (200 m) circular ...
Performance of Sliders Flying Over Discrete-Track Media
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A simulation method in which grooves are virtually distributed on the slider air bearing instead of on the grooved medium surface has been developed and used to investigate the performance of ...
Design and Evaluation of Damped Air Bearings at Head-Disk Interface
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Perturbation and modal-analysis methods were employed to systematically study a damped slider’s dynamic characteristics, including an air-bearing slider’s stiffness, damping coefficient, frequency ...
Numerical Scheme for Predicting Chloride Diffusivity of Concrete
Publisher: ASCE
Abstract: Owing to the lack of research for evaluating the effect of the aggregate profile on the chloride diffusivity of concrete, this paper presents a numerical scheme for predicting the chloride diffusivity of concrete with ...
Study on Radial Clearance Sealing Performance of Graphite Ring
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Firstly, the suitable forming method of graphite ring was screened according to compression deformation test, considering the characteristics of radial clearance seal. Then, the compression resilience, radial contact stress ...
Influence of Burner Mass-Flow Rate Bias and Injection Direction Offset on High-Temperature Corrosion and Combustion in a 660-MW Opposed Swirling-Fired Boiler
Publisher: ASCE
Abstract: Low-NOx combustion with deep air staging technology is commonly adopted to reduce NOx emissions in coal-fired power plants. However, introducing deep air staging results in a strong-reducing atmosphere, which may cause ...