Show/Hide Menu
Hide/Show Apps
Logout
Türkçe
Türkçe
Search
Search
Login
Login
OpenMETU
OpenMETU
About
About
Open Science Policy
Open Science Policy
Open Access Guideline
Open Access Guideline
Postgraduate Thesis Guideline
Postgraduate Thesis Guideline
Communities & Collections
Communities & Collections
Help
Help
Frequently Asked Questions
Frequently Asked Questions
Guides
Guides
Thesis submission
Thesis submission
MS without thesis term project submission
MS without thesis term project submission
Publication submission with DOI
Publication submission with DOI
Publication submission
Publication submission
Supporting Information
Supporting Information
General Information
General Information
Copyright, Embargo and License
Copyright, Embargo and License
Contact us
Contact us
Experimental and computational evaluation of transient behavior of a typical satellite monopropellant propulsion system
Download
index.pdf
Date
2014
Author
Çilli Tarçın, Ayşegül
Metadata
Show full item record
Item Usage Stats
314
views
170
downloads
Cite This
In this study, a typical satellite monopropellant propulsion system is numerically modeled by using a commercial software and analyses are conducted regarding the priming operation of satellite propulsion system. Analyses are performed for different tank pressures, downstream line pressures, distance between the tank and orifice, distance between the orifice and latch valve, distance between the latch valve and exit valve, orifice diameter and pipe diameters. Moreover, a test setup is constructed and tests are performed in order to create a database on water hammer phenomena under the same conditions with the ones faced in satellite propulsion system during priming. In the tests, different tank pressures, downstream line pressures, downstream line lengths and orifice diameters are used. Maximum pressure, frequency of flow and transient flow duration are the parameters compared.
Subject Keywords
Propulsion systems.
,
Artificial satellites.
,
Propellants.
,
Space vehicles
URI
http://etd.lib.metu.edu.tr/upload/12617972/index.pdf
https://hdl.handle.net/11511/24081
Collections
Graduate School of Natural and Applied Sciences, Thesis
Suggestions
OpenMETU
Core
Numerical and experimental investigation of direct connected ramjet test facility
Esirgen, Başar; Aksel, Mehmet Haluk; Ak, Mehmet Ali; Department of Mechanical Engineering (2014)
The main objective of this study is to make a numerical model of direct connected ramjet test facility which is used for ground tests of supersonic air breathing propulsion systems. Conceptual design of a direct connected ramjet test facility is performed. 1 dimensional transient numerical model is made according to this conceptual design. Numerical model is made by using 1 dimensional computational fluid dynamic code FLOWNEX. Validation of the numerical model is performed by comparison of test data. After ...
Autonomous spacecraft rendezvous and docking on safe trajectories
Büyükkoçak, Ali Tevfik; Tekinalp, Ozan; Department of Aerospace Engineering (2018)
In this thesis, rendezvous and docking operation of a pair of low earth orbit spacecraft is addressed. Two different sets of equations for the nonlinear orbital relative motion of spacecraft are derived and simulation codes for this motion are developed. First, Hill-Clohessy-Wiltshire (HCW) equations are used in chaser-target spacecraft configuration with Model Predictive Control (MPC) algorithm including some safety considerations such as debris avoidance, direction of approach constraint and slow impact r...
Use of artificial neural network in rotorcraft cooling system
Akin, Altug; Kahveci, Harika Senem (2019-07-01)
In this study, an Artificial Neural Network (ANN) is used to determine the surface temperatures of the avionics equipment located in an avionics bay of a rotorcraft. The bay is cooled via a system of a fan that supplies ambient air to the interior of the bay and an exhaust. A Feedforward Multi-Layer ANN is used with the input parameters of the fan and exhaust locations and the air mass flow rate of the fan. For training of the network, the results obtained by a large number of Computational Fluid Dynamics (...
Long term and safe relative orbit design for heterogeneous spacecraft clusters
Yaglioglu, Burak; Tekinalp, Ozan (2021-06-01)
The problem of obtaining long term relative orbit configurations for spacecraft clusters with realistic operational considerations such as safety, station keeping and inter-spacecraft distances is addressed. Two different approaches are developed for station keeping and safety objectives. In the first approach, relative orbit configurations, or relative TLEs, are found minimizing deviations from reference mean orbit which would maximize the station-keeping objective. In second one, relative configurations a...
Aeroservoelastic Modelling and Analysis of a Missile Control Surface with a Nonlinear Electromechanical Actuator
Mehmet Ozan, Nalcı; Kayran, Altan (null; 2014-06-16)
In this study, aeroservoelastic modeling and analysis of a missile control surface which is operated and controlled by a power limited, nonlinear electromechanical actuator is performed. Linear models of the control fin structure and aerodynamics together with the nonlinear servo-actuation system are built and integrated. The resulting aeroservoelastic system is analyzed both in time and frequency domain. Structural model of the control fin is based on the finite element model of the fin. Aerodynamic model ...
Citation Formats
IEEE
ACM
APA
CHICAGO
MLA
BibTeX
A. Çilli Tarçın, “Experimental and computational evaluation of transient behavior of a typical satellite monopropellant propulsion system,” M.S. - Master of Science, Middle East Technical University, 2014.