Effect of Loop Diameter on the Steady State and  Stability 
                        Behaviour of Single-Phase and Two-Phase  Natural Circulation Loops

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="672704.fig.018a" src="https://static.hindawi.com/articles/stni/volume-2008/672704/figures/672704.fig.018a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Start-up at 3.1 bar</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="672704.fig.018b" src="https://static.hindawi.com/articles/stni/volume-2008/672704/figures/672704.fig.018b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Start-up at 5.4 bar</td></tr></table></td></tr></table>

<table>Effect of pressure on the instability due to boiling inception in 19.86 mm i.d. loop.</table>

Science and Technology of Nuclear Installations

fig18

Figure 18

Figure 18: Effect of Loop Diameter on the Steady State and  Stability 
                        Behaviour of Single-Phase and Two-Phase  Natural Circulation Loops 

Figure 18 | Effect of Loop Diameter on the Steady State and  Stability 
                        Behaviour of Single-Phase and Two-Phase  Natural Circulation Loops 

Science and Technology of Nuclear Installations

Effect of Loop Diameter on the Steady State and Stability Behaviour of Single-Phase and Two-Phase Natural Circulation Loops

Figure 18