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Full-Text Articles in Engineering
Effect Of Orifice Shape On Synthetic Jet Efficiency, David J. Nani
Effect Of Orifice Shape On Synthetic Jet Efficiency, David J. Nani
All Graduate Plan B and other Reports, Spring 1920 to Spring 2023
A synthetic jet is formed by periodic oscillation of a fluid through an orifice. The oscillatory motion is driven by diaphragm or other driver. Previous studies have demonstrated that synthetic jet formation and time-averaged cavity pressure are a function of the orifice shape. Traditionally, the performance of the jet is evaluated with varying configurations of fixed driver input voltage or fixed driver displacement. Neither of these measures accurately reflect the efficiency of the actuator. Defining efficiency as "desired output divided by required input," these traditional measures may not account for increase in required driving current or force.
A sharp inside …
Effect Of Deposition From Static Rocket Test Fires On Corn And Alfalfa, Scout Mendenhall
Effect Of Deposition From Static Rocket Test Fires On Corn And Alfalfa, Scout Mendenhall
All Graduate Plan B and other Reports, Spring 1920 to Spring 2023
A greenhouse study was conducted to determine the effects of deposition from static rocket test fires on corn and alfalfa. Seeds were germinated in a wide concentration range of depositional material, called test fire soil (TFS). Additionally, the impact of chloride and aluminum, two major components of test fire soil, on germination was also evaluated. Furthermore, plants were grown in packed columns and exposed to test fire soil, either in the root zone or on foliage. Tissue was weighed and analyzed to compare biomass production and plant composition.
Corn and alfalfa exposed to test fire soil in the root zone …