Thermal Testing – Heat Sink Testing

Thermal Testing - Heat Sink Testing

Enertron routinely performs thermal testing on our products for design verification and thermal characterization. We also perform both component and system level thermal testing for our customers.

Thermal testing gives engineers a detail insight into thermal and heat related problems within the system or component. This allows engineers to reduce overall temperature of the product and hence improve its reliability. Further, it allows thermal engineers to select optimal fan size to meet both thermal as well as noise requirements. Thermal testing can be used both as a product verification and validation tool as well as preliminary analysis tool for optimal thermal design. Enertron’s thermal testing services include but are not limited to:

  • Infrared Imaging
  • Airflow measurement in Wind Tunnel
  • Temperature testing and measurement
  • Humidity testing and measurement

Infrared Imaging Testing

Enertron’s lab is equipped with an infrared camera, which provides the capability to scan the surface temperature over multiple components across a large area. The infrared camera is especially useful in natural convection applications, and for determining local hot spots or areas of poor insulation.

Airflow Measurement in Wind Tunnel

Understanding the airflow and temperature distribution within a system are key components to designing an optimal thermal solution. Good airflow measurements and understanding of temperature gradient allow engineers to optimize cooling by addressing individual hot spots wile minimizing the noise and the size of the product. Enertron has many different sizes of wind tunnels, the largest of which is over 20 feet long. This wind tunnel is most versatile, in that it features four swappable test sections, each allowing variable duct sizing.

Temperature and Humidity Testing

Excessive temperature is the one of the main causes of failure for most of microelectronics. Additionally, a lot of microelectronics are exposed to harsh environments. Enertron performs temperature and humidity testing to ensure that the product will properly perform in all environmental conditions it may be subjected to. The temperature testing can also be used to determine operational temperature limits, understand life and failure of the component or system and/or verify the performance of the internal/external cooling solution.

Testing Equipment

Enertron’s thermal laboratories are stocked with an extensive set of test equipment. Enertron has many different sizes of wind tunnels, the largest of which is over 20 feet long. This wind tunnel is most versatile, in that it features four swappable test sections, each allowing variable duct sizing.

In addition Enertron’s thermal laboratory includes Sub-Zero Environmental Chamber. The test chamber produces constant or cycling temperatures ranging from -73°C (-100°F) to +190°C (+ 375°F) with humidity ranging from 10% to 98%.

Enertron’s lab is also equipped with an infrared camera, which provides the capability to scan the surface temperature over multiple components and across a large area. The infrared camera is especially useful in natural convection applications, and for determining local hot spots or areas of poor insulation.

In some applications, noise levels are critical concerns. Enertron uses our acoustic chamber to perform these measurements.

And of course, no thermal lab is complete without the full complement of thermocouples, anemometers (both vane and hot wire), manometers, pressure transducers, strain gauges, water chillers, and a host of data acquisition and logging equipment.

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