Three‐dimensional fabrication at small size scales

TG Leong, AM Zarafshar, DH Gracias - small, 2010 - Wiley Online Library
Despite the fact that we live in a 3D world and macroscale engineering is 3D, conventional
submillimeter‐scale engineering is inherently 2D. New fabrication and patterning strategies …

[HTML][HTML] A computational investigation for heat and fluid transport with electro-osmosis phenomenon in a scraped surface heat exchanger

FM Allehiany, A Imran, MM Alqrni, MA Aljohani… - Case Studies in Thermal …, 2024 - Elsevier
Scraped surface heat exchangers (SSHEs) have prominently shown their eminence in
various food, chemical and in pharmaceutical industries when the regular processing of …

Mass analysis of CH4/SO2 gas mixture by low-pressure MEMS gas sensor

MB Gerdroodbary, DD Ganji, I Shiryanpour… - Journal of natural gas …, 2018 - Elsevier
The mass analysis of natural gas for the extraction and separation of the undesirable
component such as sulfur dioxide is significant for industrial applications. In this research …

Effect of Knudsen thermal force on the performance of low-pressure micro gas sensor

M Barzegar Gerdroodbary, DD Ganji… - The European Physical …, 2017 - Springer
In this paper, Direct Simulation Monte Carlo (DSMC) simulations were applied to investigate
the mechanism of the force generation inside a low-pressure gas sensor. The flow feature …

Microstructure actuation and gas sensing by the Knudsen thermal force

A Strongrich, A Alexeenko - Applied Physics Letters, 2015 - pubs.aip.org
The generation of forces and moments on structures immersed in rarefied non-isothermal
gas flows has received limited practical implementation since first being discovered over a …

Effect of geometrical parameters on radiometric force in low-pressure MEMS gas actuator

M Barzegar Gerdroodbary, DD Ganji… - Microsystem …, 2018 - Springer
In this paper, comprehensive numerical studies are performed to investigate the effects of
the geometrical factors on the performance of the low-pressure gas actuator. The flow …

[HTML][HTML] Measurement of low-pressure Knudsen force with deflection approximation for gas detection

DD Vo, R Moradi, MB Gerdroodbary, DD Ganji - Results in Physics, 2019 - Elsevier
In this paper, experimental examinations are done to evaluate the thermal Knudsen force in
Knudsen gauge at low-pressure condition. This work has focused on the simple technique to …

Application of Knudsen Thermal Force for Detection of CO2 in Low-Pressure Micro Gas Sensor

M Barzegar Gerdroodbary, DD Ganji, R Moradi… - Fluid Dynamics, 2018 - Springer
Abstract Development of new techniques for detection of CO 2 gas is significant for decrease
the dangers of CO 2. In this research, numerical simulations are performed to evaluate the …

Automated assembly of hingeless 90 out-of-plane microstructures

SH Tsang, D Sameoto, IG Foulds… - Journal of …, 2007 - iopscience.iop.org
A novel design for hingeless out-of-plane microstructures is presented. These structures can
be assembled to 90 by a single-point actuation, which can be provided by, for example, a …

Gas kinetic forces on thin plates in the presence of thermal gradients

M Scandurra, F Iacopetti, P Colona - … Review E—Statistical, Nonlinear, and Soft …, 2007 - APS
Gases perturbed by thermal gradients exert forces on surfaces exposed to the molecular
bombardment. We calculate the force on thin plates with temperature differences between …