A novel low pressure-difference fluctuation electro-hydraulic large flowrate control valve for fuel flowrate control of aeroengine afterburner system

Hang, Jie; Li, Yunhua; Yang, Liman

doi:10.1016/j.cja.2021.07.002

Cited by 11 publications

(5 citation statements)

References 20 publications

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“…FCS is located in the middle and rear outer circumference of the aeroengine and between the accessory gearbox (AGB) and the combustor. According to the established control law, the electronic control unit calculates the required fuel flowrate, and determines a signal to the fuel metering unit (FMU), which is used to transmit fuel to combustor [3].…”

Section: Fuel Metering Unitmentioning

confidence: 99%

“…The flowrate control accuracy of FMU is mainly subject to the following factors: metering valve opening control [3], CPDCV pressure difference regulation, and fuel temperature change. Some research concentrates on the cavitation [42].…”

Section: Influence Factorsmentioning

confidence: 99%

“…Note that fuel temperature shall be limited within the range from −40 • C to 135 • C to achieve high efficiency and safety operation. [3]. Zhang et al [30] deduced a mathematical model of temperature sensitive operating force for servo valve, which could explain the blockage caused by temperature change.…”

Section: Influence Factorsmentioning

confidence: 99%

“…The function of the constant pressure-difference valve is to maintain the pressure-difference across the metering valve constant under both steady state and dynamic operation condition, and to transmit the required fuel flowrate to combustor. Particularly, a two-stage CPDCV in FCS should be used in large flowrate operation condition to maintain the pressure difference constant [3]. A novel flowrate control valve with two-stage CPDCV for afterburner system is shown in Figure 3 [3].…”

mentioning

confidence: 99%

“…operation condition, and to transmit the required fuel flowrate to combustor. Particularly, a two-stage CPDCV in FCS should be used in large flowrate operation condition to maintain the pressure difference constant [3]. A novel flowrate control valve with two-stage CPDCV for afterburner system is shown in Figure 3 [3].…”

mentioning

confidence: 99%

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Fuel Flowrate Control for Aeroengine and Fuel Thermal Management for Airborne System of Aircraft—An Overview

Dong

Hang

et al. 2021

Applied Sciences

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Fuel flowrate control system and fuel thermal management are very important for aeroengine and the overall aircraft, and it has been researched for several decades. This survey paper makes a comprehensive and systematic overview on the exiting fuel flowrate regulation methods, thermal load of fuel metering units, fuel-based thermal management, and the fuel tank’s thermal management topology network with drain and recirculation. This paper firstly reviews the mechanism, technical advantages, and technical challenges of the fuel metering unit with flowrate control valve and constant pressure difference valve compensator, flowrate control valve and variable displacement pump-based pressure difference compensator, and motor-based flowrate regulation. Then, the technical characteristics of above fuel flowrate control methods related to thermal management are discussed and compared. Meanwhile, the behaviors of recirculated fuel flow within single tank system and dual tank system are explored. Thirdly, the paper discusses the future directions of fuel flowrate control and thermal management. The survey is significant to the fuel flowrate control and fuel thermal management of the aircraft.

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Section: Fuel Metering Unitmentioning

confidence: 99%

Section: Influence Factorsmentioning

confidence: 99%