Unsteady Model for Transverse Fluid Elastic Instability of Heat Exchange Tube Bundle

Figure 3

Stability maps for typical tube arrays (solid black points represent Nie’s experiment result and black solid lines represent the result in this paper).

(a) Square arrays with

(b) Rotated triangular arrays with

(c) Rotated square arrays with

(d) Triangular arrays with

(e) Square arrays with

(f) Rotated triangular arrays with

(g) Square arrays with

(h) Rotated triangular arrays with

(i) Rotated square arrays with

(j) Triangular arrays with