Table 2 SCF values at the vessel intersection (Makulsawatudom et al., 2004; Masu, 1998)
From: Cross bore geometry configuration effects on stress concentration in high-pressure vessels: a review
SCF at the main cylinder bore cross-bore intersection with cylinder thickness ratio of 2 | ||||||||
|---|---|---|---|---|---|---|---|---|
| Â | Circular radial cross bore | Elliptical radial cross bore | Circular optimally offset (0.112b) cross bore | Elliptical optimally offset (0.112b) cross bore | ||||
Cross bore shape | Plain | Chamfer | Plain | Chamfer | Plain | Chamfer | Plain | Chamfer |
Cole et al. (1976) | – | – | 1.80 | – | 1.80 (1.4–1.5 near the outlet plane) | – | – | – |
Masu (1998) | 2.30 | – | 1.52 | – | 1.33 | – | – | – |
Makulsawatudom et al. (2004), hole size ratio \( \frac{R_{\mathrm{C}}}{b}=0.01 \) | 3.04 | 3.7 | 3.0 | 2.25 | 3.00 | 3.55 | 2.10 | 2.5 |
Makulsawatudom et al. (2004), hole size ratio \( \frac{R_{\mathrm{C}}}{b}=0.05 \) | 2.89 | 3.4 | 2.00 | 2.25 | 2.80 | 3.3 | 2.3 | 2.6 |