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Date of download: 6/1/2016 Copyright © ASME. All rights reserved. From: Engine Rapid Shutdown: Experimental Investigation on the Cooling System Transient.

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Presentation on theme: "Date of download: 6/1/2016 Copyright © ASME. All rights reserved. From: Engine Rapid Shutdown: Experimental Investigation on the Cooling System Transient."— Presentation transcript:

1 Date of download: 6/1/2016 Copyright © ASME. All rights reserved. From: Engine Rapid Shutdown: Experimental Investigation on the Cooling System Transient Response J. Eng. Gas Turbines Power. 2010;132(7):072801-072801-10. doi:10.1115/1.4000262 Schematic of the engine test-bed Figure Legend:

2 Date of download: 6/1/2016 Copyright © ASME. All rights reserved. From: Engine Rapid Shutdown: Experimental Investigation on the Cooling System Transient Response J. Eng. Gas Turbines Power. 2010;132(7):072801-072801-10. doi:10.1115/1.4000262 Cylinder head and cylinder block thermocouple locations Figure Legend:

3 Date of download: 6/1/2016 Copyright © ASME. All rights reserved. From: Engine Rapid Shutdown: Experimental Investigation on the Cooling System Transient Response J. Eng. Gas Turbines Power. 2010;132(7):072801-072801-10. doi:10.1115/1.4000262 Load and engine speed variation during a “rapid shutdown” test at WOT Figure Legend:

4 Date of download: 6/1/2016 Copyright © ASME. All rights reserved. From: Engine Rapid Shutdown: Experimental Investigation on the Cooling System Transient Response J. Eng. Gas Turbines Power. 2010;132(7):072801-072801-10. doi:10.1115/1.4000262 (a) Temperature evolution in the cylinder block and (b) in the engine head. (c) Time history of coolant pressure and temperature at engine outlet. Baseline case: time of idle operation 5 s; initial condition at WOT; standard length of cooling circuit. Figure Legend:

5 Date of download: 6/1/2016 Copyright © ASME. All rights reserved. From: Engine Rapid Shutdown: Experimental Investigation on the Cooling System Transient Response J. Eng. Gas Turbines Power. 2010;132(7):072801-072801-10. doi:10.1115/1.4000262 (a) Temperature evolution in the cylinder block and (b) in the engine head. (c) Time history of coolant pressure and temperature at engine outlet. Prolonged time of idle operation: 80 s; initial load at WOT; standard length of cooling circuit. Figure Legend:

6 Date of download: 6/1/2016 Copyright © ASME. All rights reserved. From: Engine Rapid Shutdown: Experimental Investigation on the Cooling System Transient Response J. Eng. Gas Turbines Power. 2010;132(7):072801-072801-10. doi:10.1115/1.4000262 Details of the case in Fig. during the most rapidly varying part of the thermal evolution in the case of a prolonged idle operation. (a) Coolant pressure and temperature; (b) head and cylinder block temperature at two representative measuring points. Figure Legend:

7 Date of download: 6/1/2016 Copyright © ASME. All rights reserved. From: Engine Rapid Shutdown: Experimental Investigation on the Cooling System Transient Response J. Eng. Gas Turbines Power. 2010;132(7):072801-072801-10. doi:10.1115/1.4000262 (a) Volume of the spilled coolant and (b) start of coolant leakage after engine shutdown as a function of length of idle operation Figure Legend:

8 Date of download: 6/1/2016 Copyright © ASME. All rights reserved. From: Engine Rapid Shutdown: Experimental Investigation on the Cooling System Transient Response J. Eng. Gas Turbines Power. 2010;132(7):072801-072801-10. doi:10.1115/1.4000262 (a) Volume of the spilled coolant and (b) start of coolant leakage after engine shutdown as a function of length of idle operation. Cabin heater removed. Figure Legend:

9 Date of download: 6/1/2016 Copyright © ASME. All rights reserved. From: Engine Rapid Shutdown: Experimental Investigation on the Cooling System Transient Response J. Eng. Gas Turbines Power. 2010;132(7):072801-072801-10. doi:10.1115/1.4000262 (a) Coolant and (b) metal conditions at two points in the cylinder head and cylinder block during the most rapidly varying part of the thermal evolution. Time of idle operation 5 s; initial load 819 kPa bmep; standard length of cooling circuit. Figure Legend:

10 Date of download: 6/1/2016 Copyright © ASME. All rights reserved. From: Engine Rapid Shutdown: Experimental Investigation on the Cooling System Transient Response J. Eng. Gas Turbines Power. 2010;132(7):072801-072801-10. doi:10.1115/1.4000262 (a) Coolant and (b) metal conditions at two points in the cylinder head and cylinder block during the most rapidly varying part of the thermal evolution. Time of idle operation 5 s; initial load 495 kPa bmep; standard length of cooling circuit. Figure Legend:

11 Date of download: 6/1/2016 Copyright © ASME. All rights reserved. From: Engine Rapid Shutdown: Experimental Investigation on the Cooling System Transient Response J. Eng. Gas Turbines Power. 2010;132(7):072801-072801-10. doi:10.1115/1.4000262 (a) Volume of the spilled coolant and (b) start of coolant leakage after engine shutdown as a function of brake mean effective pressure Figure Legend:

12 Date of download: 6/1/2016 Copyright © ASME. All rights reserved. From: Engine Rapid Shutdown: Experimental Investigation on the Cooling System Transient Response J. Eng. Gas Turbines Power. 2010;132(7):072801-072801-10. doi:10.1115/1.4000262 (a) Volume of the spilled coolant versus leakage and (b) vapor inlet time inside radiator after engine shutdown as a function of engine/radiator piping length Figure Legend:


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