Computational study on vaporizing liquid micro-thruster

Chen, Chia-Chin; Kan, Heng-Chuan; Lee, Ming-Hsiao; Liu, Chien-Wei

doi:10.1109/impact.2012.6420277

2012 7th International Microsystems, Packaging, Assembly and Circuits Technology Conference (IMPACT) 2012

DOI: 10.1109/impact.2012.6420277

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Computational study on vaporizing liquid micro-thruster

Chia-Chin Chen

Heng-Chuan Kan

Ming-Hsiao Lee

et al.

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2014

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Numerical Simulation of Superheated Steam Flow in a Micronozzle

A¹,

Ramesh²

2014

AMM

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Methods for creating thrusters with very low thrust using micronozzles have been actively developed recently. The propellant flow in such micronozzles are pressure driven and are characterized by low Reynolds number. Hence, the flow is always in laminar regime with high viscous losses. Proper design by effectively studying the flow behavior of propellant inside micronozzle is highly essential to minimize the losses. The geometry of the micronozzle is a key factor that affects the performance of the thruster. In this paper numerical examinations of the flow of superheated steam inside a 3D pyramidal micronozzle by solving Navier stoke’s equation with no slip boundary condition and equation of energy conservation. The computational model is validated with available experimental data in the literature. The computations are performed for different mass flow rates and inlet vapour temperatures increased until the exit temperature reaches the saturation temperature of the vapour. The study provides the insight into analysis of flows in the complicated microdevices.

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Numerical Simulation of Superheated Steam Flow in a Micronozzle

A¹,

Ramesh²

2014

AMM

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Computational study on vaporizing liquid micro-thruster

Cited by 1 publication

References 14 publications

Numerical Simulation of Superheated Steam Flow in a Micronozzle

Numerical Simulation of Superheated Steam Flow in a Micronozzle

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