Investigation of flow characteristics around a blunt nose and conical stern geometry with single and tandem arrangements

Akbudak E., Şekeroğlu E., YANIKTEPE B., Kenan Ö., Özgören M.

UNEC Journal of Engineering and Applied Sciences, vol.2, no.2, pp.49-55, 2022 (Scopus) identifier

  • Nəşrin Növü: Article / Article
  • Cild: 2 Say: 2
  • Nəşr tarixi: 2022
  • jurnalın adı: UNEC Journal of Engineering and Applied Sciences
  • Jurnalın baxıldığı indekslər: Scopus
  • Səhifə sayı: pp.49-55
  • Açar sözlər: Blunt nose, Fluid mechanics, PIV, Tandem arrangement, Turbulent flows
  • Açıq Arxiv Kolleksiyası: Məqalə
  • Adres: Bəli

Qısa məlumat

In this study, the flow characteristics around the blunt nose and conical stern models with a single and tandem arrangements were examined using the Particle Image Velocimetry (PIV) method. Experiments were carried out under uniform flow conditions at U=100 mm/s and corresponding Reynolds number Re=2x104 based on the model geometry length (L). The characteristic length-diameter ratio of the model used in the experiments is L/D=5. The dimensionless space ratio between the models in tandem arrangement is arranged as G/L=0.3 in which G is the space between the two models. In comparisons, instantaneous velocity vector fields (V) and vorticity contours (wL/U∞) along with the time-averaged patterns of velocity vector fields , streamline topologies , streamwise velocity fluctuations contours , cross-streamwise velocity fluctuations contours , and vorticity contours were investigated. The results obtained have been presented with images and discussed in detail.