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Full-Text Articles in Mechanical Engineering
A Design Pathfinder With Material Correlation Points For Inflatable Systems, Jared T. Fulcher
A Design Pathfinder With Material Correlation Points For Inflatable Systems, Jared T. Fulcher
Theses and Dissertations--Mechanical Engineering
The incorporation of inflatable structures into aerospace systems can produce significant advantages in stowed volume to mechanical effectiveness and overall weight. Many applications of these ultra-lightweight systems are designed to precisely control internal or external surfaces, or both, to achieve desired performance. The modeling of these structures becomes complex due to the material nonlinearities inherent to the majority of construction materials used in inflatable structures. Furthermore, accurately modeling the response and behavior of the interfacing boundaries that are common to many inflatable systems will lead to better understanding of the entire class of structures. The research presented involved using nonlinear …
Numerical Analysis Of Droplet Formation And Transport Of A Highly Viscous Liquid, Peiding Wang
Numerical Analysis Of Droplet Formation And Transport Of A Highly Viscous Liquid, Peiding Wang
Theses and Dissertations--Mechanical Engineering
Drop-on-demand (DOD) inkjet print-head has a major share of the market due to simplicity and feasibility of miniature system. The efficiency of droplet generation from DOD print-head is a result of several factors, include viscosity, surface tension, nozzle size, density, driving waveform (wave shape, frequency, and amplitude), etc. Key roles in the formation and behavior of liquid jets and drops combine three dimensionless groups: Reynolds number, Weber number and Ohnesorge number. These dimensionless groups provide some bounds to the “printability” of the liquid. Adequate understanding of these parameters is essential to improve the quality of droplets and provide guidelines for …