Advanced Fluidic Microcomponents and Microsystems

A special issue of Micromachines (ISSN 2072-666X). This special issue belongs to the section "A:Physics".

Deadline for manuscript submissions: closed (20 March 2023) | Viewed by 1509

Special Issue Editors


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Guest Editor
Nuclear Fuel Cycle Research School, Nuclear Science and Technology Research Institute, Tehran P.O. Box 11365-3486, Iran
Interests: microfluidic and microsystems; two-phase flow; numerical analysis and CFD simulation; process dynamics, simulation and design

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Guest Editor
Department of Mechanical Engineering, Babol Noshirvani University of Technology, Babol 47148-71167, Iran
Interests: nanofluid; CFD simulation; mesoscopic modelling; nonlinear science; magnetohydrodynamics; ferrohydrodynamics; electrohydrodynamics; heat exchangers
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Guest Editor
Chemical Engineering, Shiraz Branch, Islamic Azad University, Shiraz 5157944533, Iran
Interests: separation process and technology; machine learning methods; sustainable and renewable energy
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

There have been long-standing efforts to develop continuous micro-scale fluidic devices for a variety of applications in biology, chemistry, and engineering. Such efforts, incorporated in the science and technology of microfluidics, involve the study of the behaviors of fluids in channels with typical dimensions of tens to hundreds of micrometers, where surface and hydrodynamic effects dominate the effects of gravity. The known advantages of microstructured devices in intensifying chemical processes are the low consumption of the sample, high heat and mass transfer rates owing to the enhanced surface-area-to-volume ratio, and the significantly reduced diffusion distances that are not usually observed at macroscale.

Accordingly, this Special Issue seeks to showcase research papers and review articles that focus on novel methodological developments in fluidic microcomponents and microsystems.

We look forward to receiving your submissions.

Dr. Younes Amini
Dr. Mohsen Sheikholeslami
Dr. Behzad Vaferi
Guest Editors

Manuscript Submission Information

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Keywords

  • microfluidic system
  • chemical process in microchannels
  • modeling and simulation of micro-systems
  • experimental investigation of micro-systems

Published Papers (1 paper)

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Research

17 pages, 4338 KiB  
Article
Transmissive Mode Laser Micro-Ablation Performance of Ammonium Dinitramide-Based Liquid Propellant for Laser Micro-Thruster
by Baosheng Du, Yongzan Zheng, Chentao Mao, Haichao Cui, Jianhui Han, Luyun Jiang, Jifei Ye and Yanji Hong
Micromachines 2023, 14(6), 1219; https://doi.org/10.3390/mi14061219 - 9 Jun 2023
Cited by 2 | Viewed by 1128
Abstract
The transmissive mode laser micro-ablation performance of near-infrared (NIR) dye-optimized ammonium dinitramide (ADN)-based liquid propellant was investigated in laser plasma propulsion using a pulse YAG laser with 5 ns pulse width and 1064 nm wavelength. Miniature fiber optic near-infrared spectrometer, differential scanning calorimeter [...] Read more.
The transmissive mode laser micro-ablation performance of near-infrared (NIR) dye-optimized ammonium dinitramide (ADN)-based liquid propellant was investigated in laser plasma propulsion using a pulse YAG laser with 5 ns pulse width and 1064 nm wavelength. Miniature fiber optic near-infrared spectrometer, differential scanning calorimeter (DSC) and high-speed camera were used to study laser energy deposition, thermal analysis of ADN-based liquid propellants and the flow field evolution process, respectively. Experimental results indicate that two important factors, laser energy deposition efficiency and heat release from energetic liquid propellants, obviously affect the ablation performance. The results showed that the best ablation effect of 0.4 mL ADN solution dissolved in 0.6 mL dye solution (40%-AAD) liquid propellant was obtained with the ADN liquid propellant content increasing in the combustion chamber. Furthermore, adding 2% ammonium perchlorate (AP) solid powder gave rise to variations in the ablation volume and energetic properties of propellants, which enhanced the propellant enthalpy variable and burn rate. Based on the AP optimized laser ablation, the optimal single-pulse impulse (I)~9.8 μN·s, specific impulse (Isp)~234.9 s, impulse coupling coefficient (Cm)~62.43 dyne/W and energy factor (η)~71.2% were obtained in 200 µm scale combustion chamber. This work would enable further improvements in the small volume and high integration of liquid propellant laser micro-thruster. Full article
(This article belongs to the Special Issue Advanced Fluidic Microcomponents and Microsystems)
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