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RISApplication of an Apple-II Computer in Real-Time Data Processing of Microwave Radiation Attenuation by Rain
Publisher: American Meteorological Society
Abstract: Using an Apple-II microcomputer, real-time data acquisition, processing, staring and display of 12 GHz microwave radiation attenuation by rain have been implemented. The computer-radiometer interface consists of an address ...
Robust Flutter Suppression and Wind-Tunnel Tests of a Three-Dimensional Wing
Publisher: American Society of Civil Engineers
Abstract: In this study, a novel reduced-order scheme is proposed to model the airspeed and the air density uncertainties of an aeroelastic system. Based on the present reduced-order scheme, the dimensions of uncertainties could be ...
Size-Dependent Flexoelectric Response of a Truncated Cone and the Consequent Ramifications for the Experimental Measurement of Flexoelectric Properties
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The flexoelectric effect is an electromechanical phenomenon that is universally present in all dielectrics and exhibits a strong size-dependency. Through a judicious exploitation of scale effects and symmetry, flexoelectricity ...
A Novel Hysteretic Soil–Water Retention Model with Contact Angle-Dependent Capillarity
Publisher: ASCE
Abstract: Considering the hydraulic hysteresis caused by the change of contact angle at the soil–capillary water interface during the drying–wetting processes, this note proposes a novel hysteretic water-retention model. Compared ...
Fatigue Strengthening of Cracked Steel Beams with Different Configurations and Materials
Publisher: American Society of Civil Engineers
Abstract: This paper presents an experimental study on the fatigue behavior of cracked steel beams strengthened using different patch systems and high-strength materials. These materials included normal modulus carbon fiber–reinforced ...
Relationship between Autogenous Shrinkage and Tensile Strength of Cement Paste with SCM
Publisher: American Society of Civil Engineers
Abstract: Fly ash (FA), silica fume (SF), and ground blast furnace slag (GBFS) were used as the supplementary cementitious materials (SCMs) in cement paste. The autogenous shrinkage (AS) and the shrinkage cracks of cement paste with ...
Using APC-AVL Data to Improve Transit Reliability and Accessibility Analysis
Publisher: ASCE
Abstract: Real-world transit service often deviates substantially from schedules, leading to variability in route-choice behaviors and experienced travel times that are not adequately reflected in existing accessibility analyses ...
Shared Use Travel Behavior for Improving Rural Mobility: Insights from Greene County, Pennsylvania
Publisher: American Society of Civil Engineers
Abstract: Rural communities are considered disadvantaged communities as they suffer from a lack of transport options. Thus, rural regions provide less accessibility for commuters to reach their destination as opposed to urban regions. ...
Discrete-Element Analysis for Compaction-Induced Stiffness Variation of Ballast Aggregate in Large-Scale Triaxial Testing
Publisher: American Society of Civil Engineers
Abstract: Large-scale triaxial tests are popular for evaluating the mechanical properties of railroad ballast. The literature shows that different compaction methods have been used to prepare the samples. This research investigates ...