This facility, which was proposed by Cussons in response to an alternative system design issued by the client, is employed to both protect sample probes introduced directly within the engine combustion chamber and condition the exit sample gas temperature prior to introduction to electrically heated distribution lines. The design concept of the system was the subject of detail thermodynamic analysis and metallurgical study prior to physical implementation.
Due to the requirements of mobility for the service module and rotation of the complete sampling rig, numerous difficult design problems had to be solved. De-ionised Water circulating at temperatures up to 210C and maintained at well above the fluid saturation pressure was employed as the heating/cooling medium. The complete rig is fully automated and protected using a PLC based control system, the installation is also interfaced to the clients existing computer data management facility. the equipment was commissioned on site towards the end of 1987, and has been successfully operated since that time.
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Mise à jour: Janvier 2008