WEB1 INTRODUCTION. Propellant motion, or “slosh,” and its effects on the dynamics of an ascending rocket has proven to be one of the most formidable challenges in the design of flight control systems for liquid-propelled rockets.
WEBWhen modeling the dynamics for a rocket-propelled spacecraft, it is very important to properly predict the behavior of liquid in a propellant tank. There are two approaches to model the liquid sloshing dynamics.
Slosh Experiment Designed to Improve Rocket Safety, Efficiency
WEBDec 16, 2013 · NASA’s Jacob Roth, also a co- principal investigator on Slosh, explains that the reactions of fluids will be photographed by a pair of high-resolution cameras that will record the movement of the liquid inside the tank as the experiment is pushed around by the SPHERES robots.
Liquid propellant sloshing characteristics and suppression in new ...
WEBAug 18, 2024 · Anti-sloshing baffles have been widely used in the tank designs of liquid rockets and spacecraft, which offers advantages such as a simple structure, strong applicability, significant anti-sloshing effects, and a low mass proportion, making it especially suitable for the design of liquid propellant tanks under conditions of …
WEBLaunch vehicle dynamics models are required to simulate the movement of lateral fluid sloshing in partially filled propellant tanks. These models typically use a single-degree-of-freedom (DOF) mechanical analogy to capture relevant slosh characteristics for each mode of interest in each tank.
Spacecraft Propellant Sloshing - Low-Gravity Science and …
WEBSpacecraft Propellant Sloshing. The term “sloshing” describes the movement of liquids in partially filled containers. Sloshing is key for aerospace applications because it can significantly alter the dynamics of space vehicles or …
GitHub - LGST-LAB/slosh_ml: SLOSH-ML is a Matlab graphical …
WEBSLOSH-ML is an open-source, MATLAB-based graphical user interface (GUI) tool designed to obtain the mechanical analogy parameters representing linear lateral sloshing for axisymmetric tanks of any shape.
WEBIntroduction. During the acceleration phases of liquid-carrying vehicles, the on-board fluid free surface is set in motion through fluid- structure dynamical coupling. Referred to as sloshing [20], this low frequency and badly damped phenomenon results in disruptive forces and torques that alter the vehicle dynamics.
Modeling and analysis of long booster clustered launch-vehicle …
WEBJan 31, 2020 · The spring-damper-mass model and the simple pendulum model can accurately reflect the liquid sloshing characteristics under the assumption that the liquid sloshing amplitude is small.
Experimental Investigation of Spherical Tank Slosh Dynamics with …
WEBMay 25, 2020 · This paper presents the results of slosh experiments with a spherical tank without and with a ring baffle using both water and liquid nitrogen. The experiments were designed to measure forces from continuous excitation over a relevant range of frequencies and amplitudes, natural frequency, and damping parameters.
- Some results have been removed