Next Generation Electrical Propulsion Feed Systems and Spin-Off Micro-Propulsion Components

List, M. van der; Put, P. van; Yüce, Veysi; Kuiper, Johan

doi:10.2514/6.2006-4848

Cited by 5 publications

(2 citation statements)

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“…Another method for sensing flow rates is based on the thermal properties of the propellant. This type of thermal flow sensor was used for the ion thrusters on the ESA GOCE spacecraft, where the cathode mass flow rates were controlled with pressure-fed FCDs, but mission requirements led to the use of an active control valve for regulating the main flow and a specially developed thermal flow sensor to measure the main mass flow rate [14]. The Japan Aerospace Exploration Agency ETS-VI and COMETS spacecraft used thermal…”

Section: B Flight Systemsmentioning

confidence: 99%

Recommended Practice for Flow Control and Measurement in Electric Propulsion Testing

Snyder

Baldwin

Frieman

et al. 2017

Journal of Propulsion and Power

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Accurate control and measurement of propellant flow to a thruster is one of the most basic and fundamental requirements for operation of electric propulsion systems, whether they be in the laboratory or on flight spacecraft. Hence, it is important for the electric propulsion community to have a common understanding of typical methods for flow control and measurement. This paper addresses the topic of propellant flow primarily for the gaseous propellant systems that have dominated laboratory research and flight application over the last few decades, although other types of systems are also briefly discussed. Although most flight systems have employed a type of pressure-fed flow restrictor for flow control, both thermal-based and pressure-based mass flow controllers are routinely used in laboratories. Fundamentals and theory of operation of these types of controllers are presented, along with sources of uncertainty associated with their use. Methods of calibration and recommendations for calibration processes are presented. Finally, details of uncertainty calculations are presented for some common calibration methods and for the linear fits to calibration data that are commonly used.

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Section: B Flight Systemsmentioning

confidence: 99%

Recommended Practice for Flow Control and Measurement in Electric Propulsion Testing

Snyder

Baldwin

Frieman

et al. 2017

Journal of Propulsion and Power

View full text Add to dashboard Cite

show abstract

“…A suitable design for the FCU has been developed in collaboration with Thales Alenia Space (Matticari et al, 2005;Matticari et al, 2006;Van Put et al, 2004;van der List et al, 2006). HCT 0.5 -1.5 100 mbar ~ 1 bar (cold gas mode) Table 5.…”

Section: Flow Control Unitmentioning

confidence: 99%