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Advances in Aerodynamics

Table 1 Static calibration and wind tunnel test results of the CARDC fiber optic strain balance [67]

From: Fiber optic sensing technologies potentially applicable for hypersonic wind tunnel harsh environments

Component

Design Load

Calibration Accuracy

Experimental repeatability

Condition 1a

Condition 2b

FA

360 N

0.17%

0.85%

0.83%

FN

700 N

0.30%

0.58%

0.88%

Mz

±48 N•m

0.33%

0.88%

0.93%

  1. aFreestream Mach number Ma = 3.974, total temperature T0 = 287 K, total pressure P0 = 0.4 MPa
  2. bFreestream Mach number Ma = 8.052, total temperature T0 = 740 K, total pressure P0 = 5.0 MPa
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