In theory shock tubes provide a pressure change with a very fast rise time and calculable amplitude. This pressure step could provide the basis for the calibration of pressure transducers used in highly dynamic applications. However, conventional metal shock tubes can be expensive, unwieldy, and difficult to modify. We describe the development of a 1.4 MPa (maximum pressure) shock tube made from PVC-U pressure tubing which provides a low-cost, light, and easily modifiable basis for establishing a method for determining the dynamic characteristics of pressure sensors.
展开▼
