Simulation Aided Engineering

Icon showing a screen with a mathematical curve and a pen. Symbol for simulation

High-Performance Simulation Cluster

To support advanced simulation-aided engineering, JJ Cooling operates dedicated high-performance computing servers designed for intensive thermal and fluid-dynamics simulations.

These systems allow our engineers to run complex numerical models, optimize cooling technologies, and accelerate product development.

Our simulation infrastructure enables:

• Large-scale CFD simulations
• Transient thermal modeling of cooling systems
• Multi-physics simulations of two-phase cooling technologies
• Parametric design optimization
• Faster simulation turnaround for industrial projects

The simulation cluster is used to analyze and optimize technologies such as:

• Loop thermosyphons
• Pulsating heat pipes
• Heat exchangers
• Microchannel cooling devices
• Passive cooling systems for electronics and servers

By combining advanced computational tools with experimental validation in our laboratories, JJ Cooling delivers reliable engineering solutions and reduces development risks for our partners.

Inhouse simulation tools

Our inhouse and extensively validated simulation tools are designed to facilitate the development and integration of disruptive, green and financially competitive cooling systems for multiple applications.

Product development, anomaly detection and performance optimization have never been this easy! Save time, manpower and costs by simulating rather than going through multiple time-consuming design-prototyping-testing iterations.

A screenshot of JJ Cooling's pulsating heat pipe simulation software

Features

We stay up to date with state-of-the-art research to continuously improve our simulation codes, well recognized by the thermal engineering community. They are used by our engineers daily, and licensing options are also available !
A B C bricks
Simple
Minimal number of inputs, optimized screen configuration, feedback to user in the form of warnings or hints
A target
Fast and accurate
Few seconds to rate or design maintaining accuracy for industrial applications
Double arrow
Versatile
Multiple heat exchangers and cooling systems can be designed and compared. Cooling capacities from a couple of watts to megawatts, numerous working fluids and operating conditions can be simulated
Speedometer icon
Rapid technology development
Go from concept to completed prototype in record time, avoiding multiple redesign cycles when getting ready for commercialization

Available simulation codes

Different approaches can be implemented to better fit your needs. Here is a list of devices which can be simulated through our tools:
A schematic representation of a loop thermosyphon
Loop Thermosyphons
A schematic representation of a pulsating heat pipe
Pulsating
heat pipes
A schematic representation of a refrigeration system
Refrigeration systems
A schematic representation of a liquid-cooled condenser
Ultra-Compact
Heat
exchangers
A schematic representation of a plate heat exchanger
Plate heat exchanger
A schematic representation of a shell and tube heat exchanger
Shell and
tube Hex
A schematic representation of a tube in tube heat exchanger
Tube In
tube Hex
A schematic representation of a wire on tube heat exchanger
Wire on
tube Hex
A schematic representation of an air-cooled condenser
Air-cooled
Hex
A schematic representation of an evaporator with microchannels
Micro
evaporator
Icon of a bended tube
Piping
A capillary tube coil
Expansion
Devices
A fan
Fans
A piston compressor
Compressors
Product development, anomalies analysis and performance optimization have never been this easy !
JJ Cooling Innovation logo

Address

EPFL Innovation Park
Building A
CH-1015 Lausanne
Switzerland

Contact

Email: info@jjcooling.com
Phone: +41 21 566 10 79

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© JJ Cooling Innovation Sàrl 2023