A lagrangian-eulerian method for simulating electrospray deposition

David A. Kessler; Marriner Merrill

doi:10.2514/6.2019-3722

A lagrangian-eulerian method for simulating electrospray deposition

David A. Kessler, Marriner Merrill

Naval Research Laboratory

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

1 Scopus citations

Abstract

We present a coupled Eulerian-Lagrangian two-phase flow solver suitable for describing mass and charge transfer in charged droplets undergoing Coulomb fission driven by an external electric field. The Eulerian solver is based on the discontinuous Galerkin finite element method and is capable of accommodating arbitrarily complex configurations using unstructured meshes. We simultaneously model the e↵ect of transient electrical fields generated by charged particles deposited on a substrate and a co-flowing gas used to stabilize the spray. We will compare spray patterns obtained using this approach with laboratory-generated spray samples.

Original language	English
Title of host publication	AIAA Aviation 2019 Forum
Publisher	American Institute of Aeronautics and Astronautics Inc, AIAA
Pages	1-10
Number of pages	10
ISBN (Print)	9781624105890
DOIs	https://doi.org/10.2514/6.2019-3722
State	Published - 2019
Externally published	Yes
Event	AIAA Aviation 2019 Forum - Dallas, United States Duration: 17 Jun 2019 → 21 Jun 2019

Publication series

Name	AIAA Aviation 2019 Forum

Conference

Conference	AIAA Aviation 2019 Forum
Country/Territory	United States
City	Dallas
Period	17/06/19 → 21/06/19

Bibliographical note

Publisher Copyright:
© 2019, American Institute of Aeronautics and Astronautics Inc, AIAA. All rights reserved.

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10.2514/6.2019-3722

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AB - We present a coupled Eulerian-Lagrangian two-phase flow solver suitable for describing mass and charge transfer in charged droplets undergoing Coulomb fission driven by an external electric field. The Eulerian solver is based on the discontinuous Galerkin finite element method and is capable of accommodating arbitrarily complex configurations using unstructured meshes. We simultaneously model the e↵ect of transient electrical fields generated by charged particles deposited on a substrate and a co-flowing gas used to stabilize the spray. We will compare spray patterns obtained using this approach with laboratory-generated spray samples.

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A lagrangian-eulerian method for simulating electrospray deposition

Abstract

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