07 Mar 2016

TLD Solves wide body aircraft Cooling Challenge

TLD has developed a sub-freezing cooling unit to more effectively cool the cabin of the wide body aircraft, and in particular the Airbus A380, which is a very difficult task in the hottest regions of the world. The cooling unit, known as the SCU (Subcooling unit), receives approximately 2°C to 5°C (36F-41F) air from another pre-conditioned air (PCA) unit and delivers it to the aircraft at a frigid -9°C to -11°C (12 to 16F), resulting in a comfortable cabin temperature in less than an hour.

The Airbus A380 represents the most significant cooling challenge of all the aircraft due to its very large interior volume, high occupancy and in-flight entertainment systems, and large exterior surface area. Its internal ducting provides an additional obstacle as the four GAC (Ground Aircraft Connections) converge into one duct before the air reaches the cabin, which limits the amount of air that can pass to the cabin where it is needed. For these reasons, 2 donor PCA machines plus 2 TLD SCUs are required when this 2-level aircraft is heat-soaked in extreme ambient conditions.

Until recently, Airbus prohibited the use of sub-freezing air to cool the A380, making it nearly impossible to cool-down the aircraft quickly with even the largest mobile PCA units. Providing sub-freezing air presents other technical challenges, such as the creation of frost inside the PCA unit’s internal ducting which results in reduced airflow to the Aircraft and therefore reduced cooling. And if not managed properly, providing sub-freezing air can result in the formation of snow, which when sent into the aircraft, can either lead to excessive moisture exiting the vents or a blocked aircraft duct and eventual duct damage. The TLD SCU solves all these problems with its unique moisture removal process.

TLD’s Subcooling Unit Advantages
The SCU is extremely flexible for the end user, as it works with any brand of PCA and can be used on all aircraft that demands sub-freezing air for the fastest cooling rate. It utilizes the most efficient methods for creating sub-freezing air, resulting in greater fuel economy. The design follows the famous TLD “SREM” philosophy, Simple, Reliable, and Easy to Maintain, which provides the owner with the benefits of a simpler operation, a higher reliability, extreme ease of maintenance, and an overall lower total cost of ownership.

The TLD Sub-freezing Cooling Unit provides a unique solution to a difficult real-world problem flagyl dosage.

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