Search Results - "Liu, Q.K."

Flapwise non-linear dynamics of wind turbine blades with both external and internal resonances by Li, L., Li, Y.H., Liu, Q.K., Lv, H.W.

“…An investigation on the non-linear aeroelastic behavior of a wind turbine blade with both external and internal resonances is presented. The external resonance…”
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Flapwise dynamic response of a wind turbine blade in super-harmonic resonance by Li, L., Li, Y.H., Lv, H.W., Liu, Q.K.

“…The flapwise dynamic response of a rotating wind turbine blade in super-harmonic resonance is studied in this paper, while the blade is subjected to unsteady…”
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Adaptive Impedance Relay With Composite Polarizing Voltage Against Fault Resistance by Liu, Q.K., Huang, S.F., Liu, H.Z., Liu, W.S.

“…As the conventional relay usually takes the bus voltage as a polarizing voltage, its operating characteristic is fixed and cannot adapt to fault resistance. To…”
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A mathematical model for horizontal axis wind turbine blades by Li, L., Li, Y.H., Liu, Q.K., Lv, H.W.

“…A mathematical model describing the nonlinear vibration of horizontal axis wind turbine (HAWT) blades is proposed in this paper. The system consists of a…”
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Effect of the Reynolds number on the aerodynamic forces and galloping instability of a cylinder with semi-elliptical cross sections by Ma, W.Y., Liu, Q.K., Du, X.Q., Wei, Y.Y.

“…The effects of the Reynolds number on the aerodynamic forces and galloping instability of a semi-elliptical cross-section, which are used to simulate the shape…”
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Analytical and experimental study on multiple fire sources in a kitchen by Gao, Y., Liu, Q.K., Chow, W.K., Wu, M.

“…Experiments were carried out earlier in a room calorimeter to study cooking oil kitchen fires with multiple fire sources under natural ventilation with burning…”
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Study of transient spectrum in transmission lines by Wang, X.G., Huang, S.F., Liu, Q.K.

“…When faults occur in transmission lines, the high frequency signals are caused by fault generated traveling waves and the spectrum is a series of harmonic in…”
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A fault classification method based on spectrum of fault component for EHV lines by Wang, X.G., Huang, S.F., Liu, Q.K.

“…This paper proposes a fault classification scheme for transmission lines based on spectrum of fault component. First it analyses the spectrum of fault…”
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