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RISMechanical Erosion Investigation in Solid Rocket Motor Nozzle Through Droplet Breakup and Surface Tension Influence
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Erosion prediction of the solid propellent nozzle is vital for its design process. This erosion is caused by the impingement of agglomerated aluminum/aluminum oxide particles on the nozzle walls. Thus, a multi-phase numerical ...
Air Flow Acceleration Effect on Water Droplet Flow Behavior in Solid Rocket Motor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Investigating the mechanical erosion of the solid rocket motor convergent-divergent (C-D) nozzle is essential to overcome its development barriers. Consequently, the break-up mechanism of the aluminum oxide agglomerates ...
Study of a Cavitation Treatment in Kaplan Hydro-Turbine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This research proposes an air-injection treatment for the cavitation phenomena in the Kaplan turbine. An unsteady numerical model is created to predict the cavitating flow through a 3-in. axial hydroturbine before and after ...
Investigation of Liquid Droplet Flow Behavior in a Vertical Nozzle Chamber
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study aims to better understand the aluminum oxide agglomerates breakup mechanism, consequently determining the best solution for the solid rocket motor (SRM) nozzle erosion problem. Two-phase air-water flow experimental ...
Analysis of Energy Savings and CO2 Emission Reduction Contribution for Industrial Facilities in USA
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Energy audits can identify energy consumptions, energy costs of the facility and evolve to develop measures to maximize efficiency, optimize supply energy, and eliminate waste. This paper investigates the potential energy ...
Experimental and Simulation Investigation of J-Shaped and Kammtail Virtual Airfoils in Small-Scale Horizontal Axis Wind Turbines
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this work, the performance of new wind blade designs for small-scale horizontal axis wind turbines (HAWTs) was studied and compared with the performance of a baseline design. Three J-shaped pressure-side truncation ...
Influence of Aluminum Content and Agglomerates Initial Velocity on Erosion in Solid Rocket Motor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Despite the aluminized propellants offering a high specific impulse, the challenge of nozzle erosion adversely impacts the rocket's performance and its reusability potential. This study presents a numerical model aiming ...
Investigation of the Synergetic Effect of Using J-Shaped Profile and Winglets in Single and Multiple Profile Blades of Small-Scale Horizontal Axis Wind Turbines
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. The design of wind turbine blades plays a significant role in determining the aerodynamic performance of the rotor. In this study, the effect of using different blade design modifications for small-scale horizontal ...
Thermal Performance Assessment of Helical Diverter Depth and Inlet Angle Configurations in Rotating Gas Turbine Blade Cooling Passages
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. Rising turbine-inlet temperatures demand more effective internal blade cooling to sustain efficiency and component life. This research investigates the thermohydraulic behavior of a rotating internal cooling ...