Instrumentation Lab Gap Matrix
In order to highlight the research priorities in terms of Gas Turbine Instrumentation Development, PIWG on the US side and EVI-GTI on the EU side have issued a Lab Gap Matrix. A first EVI-GTI version was released in 2004, then updated in 2009, containing measured quantities on one axis mapped against engine location / working environment on the other axis.
Measurement types were structured as follows and after a voting process among OEM’s, each area was highlighted in green, yellow or red depending on their level of maturity or even availability.
Aerodynamics and Performance
issued 22 February 2017
(Front) and Fan
|HP Turbine||LP Turbine||Exhaust|
|Pressure (MKS)||1 bar||1-10 bar||10-45 bar||<45 bar||25-45 bar||1-20 bar||1 bar|
|Temperature (MKS)||-40 to 300C||-40 to 300C||300 to 700C+||700C-2400C||1000C-1800C||700C-1000C||700C+|
|Temperature (Eng)||-40 to 570F||-40 to 570F||570 to 1300F+||1300F-4300F||1800F-3300F||1300F-1800F||1300F|