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SIMULENT ENGINEERING

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For over a decade, Simulent Engineering has helped industry solve complex problems in the field of thermofluids. During the last decade, Simulent Engineering has provided services for the following industries:

Bellow are listed a few highlights of Simulent Engineering in various areas:

Aerospace

 

 

Fuel injector nozzles are mostly designed based on experimental measurements and there is no specific tool that one can relate the nozzle design to the spray drop size and velocity distribution.The spray pattern depends on the fuel injector design, as well as the external flow characteristics and the fuel properties.

Simulent Engineering has developed a 3D computational fluid dynamics (CFD) code for Pratt & Whitney Canada which can simulate liquid film formation and its breakup in an injector spray nozzle.

The code can predict the liquid film pattern of a fuel injector as a function of its geometrical design, fluid flow rate and properties, liquid jets conditions, and airflow characteristics.

PWC2
 
Fuel nozzle filmer simulated for
Pratt & Whitney Canada
   

Automotive

 

 

Simulent Inc. has formed a partnership with ITB to form ITB-Simulent for the sole purpose of providing services to the auto industry.

As a first collaboration, ITB-Simulent is providing an analysis and design tool for car and trucks fuel tanks. Using this powerful software, auto engineers will be able to study the impact of acceleration/deceleration and direction change on the fuel inside the tank and minimize liquid displacement.

slosh_tank
Modelling sloshing in a fuel tank for
ITB-Simulent
   

MEMS & Microfuidics

 

 

A few decades of expertise in Microfuidics, surface thermodynamics, and free surface flows has propelled Simulent Engineering to offer solutions in the area of Micro-Electro-Mechanical-Systems (MEMS).

Simulent Engineering has successfully modelled the flow in micro-channels and simulated piezo-jetting of droplets.

The figure on the left shows the micro explosion in micro-channel. This test was performed to validate one of the Simulent Engineering's simulations for Microfuidics.

MEMS
 
Bubble explosion in a microchannel
   

Pharmaceutical

 

 

Simulent Engineering has developed tools to service the Pharmaceutical industry. Some of the more recognized are:

  • Vial filling designing tool
  • Aerosol modelling
  • Tablet coating

For the above applications, Simulent Engineering can provide analysis, simulation, optimization and design recommendations.

pharmaceutical
 
Vial filling simulation for
Pharmaceutical industry
   

Printing and Inkjet

 

 

The phenomenon occurring in a thermal inkjet can be categorized into three main steps:

  1. Bubble Nucleation,
  2. Vapor Sheet Formation & Bubble Growth,
  3. Drop Ejection & Bubble Collapse.

Using our expertise in free surface flows, at Simulent Engineering we have developed a three-dimensional numerical code to model rapid formation and collapse of a vapor bubble formed on a pulsed micro-heater and the surrounding liquid flow. Numerical results were validated with experiment.

inkjet
 
Numerical modeling and experimental photographs of bubble growth in a
thermal inkjet
   

Pulp & Paper

 

 

Slurries such as Black Liquor from wood pulp have been utilized in combustion systems as an alternative to oil and gas.Spray droplet size and size distribution are key variables in controlling Black Liquor droplet combustion, char bed combustion, smelt reduction, entrainment, and carryover. Despite this importance, it is currently not possible to specify desired values of either with confidence.

Through a two year contract with Alstom Canada, Simulent Engineering has developed a three-dimensional Computational Fluid Dynamics (CFD) code which can simulate Black Liquor film formation and its breakup in a splash-plate atomizer. The code can predict the liquid film pattern of an atomizer as a function of: its geometrical design, fluid flow rate and properties, liquid jet conditions, and airflow characteristics.

pulp&paper
Design and simulation of a splash-
plate nozzle for Alstom Canada
 
 
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