Arrangement to determine a static moment of a blade

Details Arrangement to determine a static moment of a blade Arrangement to determine a static moment of a blade

G - Physics

01

M

G01M 1/10 (2006.01) F03D 11/00 (2006.01)

Patent

CA 2697393

The invention relates to an arrangement to determine a static moment of a blade (BL). A root-end of the blade (BL) is connected with a fixation--unit (FU) by help of a shaped connection-area (CSA2) of the fixation-unit (FU). The fixation-unit (FU) is mounted pivotable around a first reference-point (RP1) of the fixation--unit (FU). The connection-area (CSA2) shows a first distance (DIS2) to the first reference-point (RP1). A first static-moment of the fixation-unit (FU) without connected blade (BL) is determined in reference to the first reference-point (RP1), while the first static-moment is acting on the fixation-unit at the first distance (DIS2). A second static--moment of the fixation-unit (FU) and the connected blade (BL) is determined at a second distance (DIS3) in reference to the first reference-point (RP1), while the second distance (DIS3) is allocated to a cross-section (CSA3) of the blade (BL). The first and the second static-moment are used to calculate the static-moment of the blade (BL).

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