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Azienda News:
- NASA TechPort - Project
The hybrid capillary structures position the residual liquid in the tank to optimum locations to maintain liquid supply for LAD screen surfaces, enhancing expulsion efficiency
- A three-dimensional flow model of screen channel liquid acquisition . . .
Screen channel liquid acquisition devices (LADs) are among the most promising technologies for separating liquid and vapor phases in propellant storage tanks under microgravity conditions and
- Propellant Management Devices for Low-Gravity Fluid Management: Past . . .
The design concept, basic flow physics, and principle of operation are presented for each type of propellant management device The three primary capillary-driven propellant management device types of vanes, sponges, and screen channel liquid acquisition devices are compared and contrasted
- Preparation of Papers for AIAA Technical Conferences
One type of PMD, a liquid acquisition device (LAD) takes advantage of capillary flow and surface tension to acquire liquid Capillary flow LADs have been well characterized for storable propellants (propellants that are liquids at room temperature) for in-space propulsion needs1
- Liquid Acquisition Devices for Advanced In-Space . . . - ScienceDirect
Through clear descriptions of practical data and models, readers will explore the development of robust and flexible liquid acquisition devices (LAD) through component-level and full-scale ground experiments, as well as analytical tools
- CHANGE IN THE CAPILLARY HOLDING CAPACITY OF CAPILLARY INTAKE DEVICES . . .
In this regard, an increase in fuel reserves in orbit, an increase in the service life and repeated use of spacecraft leads to a further increase in the requirements for storage and supply systems for liquid rocket fuel components, including the means of capillary ensuring fuel continuity
- Liquid Acquisition Device Design Sensitivity Study
Screen channel LADs with fine mesh screens are designed to act as capillary barriers that allow gas-free liquid to be expelled regardless of the liquid’s position within the tank
- Phase Separation through Screen Channel Liquid Acquisition Devices in . . .
This investigation aims to explore the interdependent effects of the various phenomena involved, including the reorientation of liquid in the tank, capillary flow between parallel plates, flow through screen pressure, and bubble point breakthrough
- A three-dimensional flow model of screen channel liquid acquisition . . .
Screen channel liquid acquisition devices (LADs) are among the most promising technologies for separating liquid and vapor phases in propellant storage tanks under microgravity conditions and thus ensuring vapor-free propellant supply to spacecraft engines
- Development of a hybrid screen channel liquid acquisition device for . . .
To address this need, Creare has been working with NASA Glenn to develop a hybrid Liquid Acquisition Device (LAD) for cryogenic propellants consisting of screened channels with attached guide vanes, and a screened sump
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