Chaotic vibration in fluidelastic instability of a tube row in crossflow
Chaotic motions with complicated orbits make the prediction of wear between heat exchanger tubes and tube support plates difficult. To unravel the chaotic motions of nonlinearly supported tubes caused by the fluidelastic instability, an analytical investigation based on unsteady flow theory was conducted. The analytical model consists of a row of rigid tubes with three flexible tubes supported by elastic springs. This simplified model enables the study of the fluidelastic coupling effects of loosely supported tubes in crossflow.
- Research Organization:
- Argonne National Lab., IL (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 10166592
- Report Number(s):
- ANL/MCT/CP--77890; CONF-930702--35; ON: DE93015537
- Country of Publication:
- United States
- Language:
- English
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