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Skin friction balance
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Copyright Year | 1989 |
| Description | A skin friction balance uses a parallel linkage mechanism to avoid inaccuracies in skin friction measurement attributable to off-center normal forces. The parallel linkage mechanism includes a stationary plate mounted in a cage, and an upper and lower movable plate which are linked to each other and to the stationary plate throught three vertical links. Flexure pivots are provided for pivotally connecting the links and the plates. A sensing element connected to the upper plate moves in response to skin friction, and the lower plate moves in the opposite direction of the upper plate. A force motor maintains a null position of the sensing element by exerting a restoring force in response to a signal generated by a linear variable differential transformer (LVDT). |
| File Size | 659074 |
| Page Count | 9 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19900007801 |
| Archival Resource Key | ark:/13960/t86h9g134 |
| Language | English |
| Publisher Date | 1989-06-06 |
| Access Restriction | Open |
| Subject Keyword | Linkages Skin Friction Loads Forces Measuring Instruments Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Patent |
