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Date of download: 7/6/2016 Copyright © ASME. All rights reserved. From: Parametric Study of Injection Rates With Solenoid Injectors in an Injection Quantity and Rate Measuring Device J. Eng. Gas Turbines Power. 2015;137(10):101503-101503-9. doi:10.1115/1.4030095 Schematic diagram of the Moehwald HDA injection quantity and rate measuring unit Figure Legend:
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Date of download: 7/6/2016 Copyright © ASME. All rights reserved. From: Parametric Study of Injection Rates With Solenoid Injectors in an Injection Quantity and Rate Measuring Device J. Eng. Gas Turbines Power. 2015;137(10):101503-101503-9. doi:10.1115/1.4030095 Measurement of an injection event Figure Legend:
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Date of download: 7/6/2016 Copyright © ASME. All rights reserved. From: Parametric Study of Injection Rates With Solenoid Injectors in an Injection Quantity and Rate Measuring Device J. Eng. Gas Turbines Power. 2015;137(10):101503-101503-9. doi:10.1115/1.4030095 Test bench setup Figure Legend:
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Date of download: 7/6/2016 Copyright © ASME. All rights reserved. From: Parametric Study of Injection Rates With Solenoid Injectors in an Injection Quantity and Rate Measuring Device J. Eng. Gas Turbines Power. 2015;137(10):101503-101503-9. doi:10.1115/1.4030095 Injector solenoid current (dots) and mean rate of injection curve (thick line) for a single injection with injector A. P rail = 800 bar; actuation time = 900 μS; T chamber = T rail = 90 °C. Injection rate curve shown with ± 2σ scatter bands. Figure Legend:
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Date of download: 7/6/2016 Copyright © ASME. All rights reserved. From: Parametric Study of Injection Rates With Solenoid Injectors in an Injection Quantity and Rate Measuring Device J. Eng. Gas Turbines Power. 2015;137(10):101503-101503-9. doi:10.1115/1.4030095 Mean rates of injection with FIR filter cutoff frequency (f c ) as a parameter. Single injection with injector A; P rail = 800 bar; actuation time = 815 μs; T chamber = T rail = 90 °C. Figure Legend:
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Date of download: 7/6/2016 Copyright © ASME. All rights reserved. From: Parametric Study of Injection Rates With Solenoid Injectors in an Injection Quantity and Rate Measuring Device J. Eng. Gas Turbines Power. 2015;137(10):101503-101503-9. doi:10.1115/1.4030095 Mean rates of injection with T chamber (T fuel ) as a parameter. Single injection with injector B; P rail = 800 bar; actuation time = 615 μs. Figure Legend:
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Date of download: 7/6/2016 Copyright © ASME. All rights reserved. From: Parametric Study of Injection Rates With Solenoid Injectors in an Injection Quantity and Rate Measuring Device J. Eng. Gas Turbines Power. 2015;137(10):101503-101503-9. doi:10.1115/1.4030095 Total injected mass as a function of T chamber (T fuel ). Single injection with injector B; P rail = 800 bar; actuation time = 615 μs. Injected mass values shown with ±2σ bars to indicate scatter in measurements. Figure Legend:
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Date of download: 7/6/2016 Copyright © ASME. All rights reserved. From: Parametric Study of Injection Rates With Solenoid Injectors in an Injection Quantity and Rate Measuring Device J. Eng. Gas Turbines Power. 2015;137(10):101503-101503-9. doi:10.1115/1.4030095 Mean rates of injection with axial clamping force as a parameter. Single injection with injector A; P rail = 800 bar; actuation time = 815 μs; testing performed at room temperature. Figure Legend:
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Date of download: 7/6/2016 Copyright © ASME. All rights reserved. From: Parametric Study of Injection Rates With Solenoid Injectors in an Injection Quantity and Rate Measuring Device J. Eng. Gas Turbines Power. 2015;137(10):101503-101503-9. doi:10.1115/1.4030095 Total injected mass as a function of axial clamping force. Single injection with injector A; P rail = 800 bar; actuation time = 815 μs. Injected mass values shown with ± 2σ scatter bars. Figure Legend:
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Date of download: 7/6/2016 Copyright © ASME. All rights reserved. From: Parametric Study of Injection Rates With Solenoid Injectors in an Injection Quantity and Rate Measuring Device J. Eng. Gas Turbines Power. 2015;137(10):101503-101503-9. doi:10.1115/1.4030095 Mean rates of injection for two different line lengths. Single injection with injector B; P rail = 800 bar; actuation time = 581 μs; T chamber = 90 °C; T rail = 20 °C; T injector = 66 °C. Figure Legend:
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Date of download: 7/6/2016 Copyright © ASME. All rights reserved. From: Parametric Study of Injection Rates With Solenoid Injectors in an Injection Quantity and Rate Measuring Device J. Eng. Gas Turbines Power. 2015;137(10):101503-101503-9. doi:10.1115/1.4030095 Mean rates of injection for two different pull-up times. Single injection with injector B; P rail = 800 bar; actuation time = 565 μs; T chamber = T rail = 90 °C; T injector = 68 °C. Figure Legend:
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Date of download: 7/6/2016 Copyright © ASME. All rights reserved. From: Parametric Study of Injection Rates With Solenoid Injectors in an Injection Quantity and Rate Measuring Device J. Eng. Gas Turbines Power. 2015;137(10):101503-101503-9. doi:10.1115/1.4030095 Mean rates of injection with a pilot–main injection strategy for various dwell times. P rail = 800 bar; T chamber = T rail = 90 °C. Top: dwell time δt = 1200 μs; middle: δt = 400 μs; and bottom: δt = 100 μs. Figure Legend:
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Date of download: 7/6/2016 Copyright © ASME. All rights reserved. From: Parametric Study of Injection Rates With Solenoid Injectors in an Injection Quantity and Rate Measuring Device J. Eng. Gas Turbines Power. 2015;137(10):101503-101503-9. doi:10.1115/1.4030095 Mean rates of injection for DPRF58 and PRF25. Single injection with injector B; P rail = 800 bar. Actuation time = 581 μs; T chamber = 90 °C. Figure Legend:
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Date of download: 7/6/2016 Copyright © ASME. All rights reserved. From: Parametric Study of Injection Rates With Solenoid Injectors in an Injection Quantity and Rate Measuring Device J. Eng. Gas Turbines Power. 2015;137(10):101503-101503-9. doi:10.1115/1.4030095 Mean rates of injection for DPRF58 and PRF25. Pilot–main injection strategy with injector B; P rail = 800 bar. T chamber = 90 °C. FIR filter cutoff frequencies: DPRF58: 10 kHz; PRF25: 6 kHz. Top: dwell time δt = 1200 μs; middle: δt = 400 μs; and bottom: δt = 100 μs. Figure Legend:
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