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Optimal Abort Guidance and Experimental Verification Based on Feature Learning
Publisher: ASCE
Abstract: The abort mission refers to the mission where the landing vehicle needs to terminate the landing mission when an anomaly happens and be safely guided to the desired orbit. This paper focuses on solving the time-optimal ...
Crack Evolution and Strength Attenuation of Red Clay under Dry–Wet Cycles
Publisher: ASCE
Abstract: Red clay is a special soil that loses water and shrinks easily, which causes expansion and contraction and leads to the generation and development of cracks, weakening the strength and engineering properties of the soil. ...
An Improved Passage-Flow Turning Model for Forward-Curved Blades of Squirrel-Cage Fan
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An improved passage-flow turning model (IPTM) was developed in this study to design high-performance forward-curved blades for squirrel-cage fans. The flow separation in blade passages and the corresponding fan performance ...
Effect of Salt Freeze–Thaw Cycle on Crack Resistance of Steel Slag Rubber Powder Modified Asphalt Mixture
Publisher: ASCE
Abstract: To study the crack resistance of steel slag crumb rubber modified asphalt mixture (CR-steel slag) under salt freeze–thaw cycles, we selected styrene-butadiene-styrene (SBS)-steel slag and CR-basalt as the reference group. ...
System Identification of UCSD-NHERI Shake-Table Test of Two-Story Structure with Cross-Laminated Timber Rocking Walls
Publisher: ASCE
Abstract: A full-scale 2-story mass timber building was tested on the University of California San Diego Natural Hazards Engineering Research Infrastructure (UCSD-NHERI) uniaxial shake table during the period from June 2017 to ...
Mathematical Model of a Vertical Six-Axis Cartesian Computer Numerical Control Machine for Producing Face-Milled and Face-Hobbed Bevel Gears
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Prior to the development of sophisticated computer numerical control (CNC), both face milling (FM) and face hobbing (FH), the two most popular technologies for bevel gear production, required cradle-type machines with ...
Investigations of the Thermal Spreading Effects of Rectangular Conduction Plates and Vapor Chamber
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study examines the spreading ability of rectangular plates numerically, analytically, and experimentally. The effect of aspect ratio, defined as an equivalent radius of a heater divided by ...
Experimental Investigations on Load Transfer of PHC Piles in Highway Foundation Using FBG Sensing Technology
Publisher: American Society of Civil Engineers
Benefit Analysis of Knowledge Management System for Engineering Consulting Firms
Publisher: American Society of Civil Engineers
Abstract: Engineering consulting (EC) firms in the construction industry are knowledge-intensive and experience-based organizations. As the knowledge accumulated from previous experiences is the essential asset for wining and managing ...
Self-Piercing Riveting of Wrought Magnesium AZ31 Sheets
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The high strength-to-weight ratio of magnesium alloys makes them attractive for automotive applications. These materials have been used for the engine cradle, seat frame, and shock tower applications ...