elib
DLR-Header
DLR-Logo -> http://www.dlr.de
DLR Portal Home | Imprint | Privacy Policy | Contact | Deutsch
Fontsize: [-] Text [+]

Pressure loss tests with LN2 on full scale screen samples

Fischer, A. (2012) Pressure loss tests with LN2 on full scale screen samples. Other. DLR-Interner Bericht. RYTA-CUST-TRR-07-A. (Unpublished)

Full text not available from this repository.

Abstract

The current focus on research of advanced cryogenic upper stage technologies is the development of Propellant Management Devices (PMD). Main elements of a PMD are metallic screens. These screens are used for multiple purposes, such as to filter the propellant and oxidizer for example. But there is another major task for such screens: they are able to detain gas bubbles in a liquid flow. This is important to provide a pure liquid flow of propellant and oxidizer to the spacecraft’s engine. Regarding to this the Bubble Point becomes important. It describes the maximum pressure difference across a screen, when gas bubbles can break through. It is of importance, that in a feed line system the pressure drop across a metallic screen device never becomes higher than the Bubble Point of the used screen. Otherwise a gas-free fluid flow cannot be provided. For that reason it is important to know the pressure loss behaviour of metallic screen elements. DLR Bremen provides in cooperation with EADS Astrium Bremen tests for screen samples of metallic screens. As test liquids liquid nitrogen and water are used. This document describes the experiment setup for LN2.

Item URL in elib:https://elib.dlr.de/103014/
Document Type:Monograph (DLR-Interner Bericht, Other)
Title:Pressure loss tests with LN2 on full scale screen samples
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Fischer, A.UNSPECIFIEDUNSPECIFIED
Date:16 February 2012
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Unpublished
Keywords:LN2, Pressure loss, full scale
Institution:DLR Bremen
Department:RY-TAS
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:other
DLR - Research area:Raumfahrt
DLR - Program:R - no assignment
DLR - Research theme (Project):R - no assignment
Location: Bremen
Institutes and Institutions:Institute of Space Systems > Transport and Propulsion System
Deposited By: Behnke, Manuela
Deposited On:24 Feb 2016 09:46
Last Modified:10 May 2016 23:44

Repository Staff Only: item control page

Browse
Search
Help & Contact
Information
electronic library is running on EPrints 3.3.12
Copyright © 2008-2017 German Aerospace Center (DLR). All rights reserved.