Remarks on Consistent Development of Plant Nodalizations: An Example of Application to the ROSA Integral Test Facility

<table class="table-group" id="tab12"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td align="left">Test</td><td align="center">Type</td><td align="center"><span style="width: 29.35px;"><svg height="15.6875" id="M8" style="vertical-align:-3.39064pt" version="1.1" viewbox="0 0 29.35 15.6875" width="29.35" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.4)"><use xlink:href="#x1D436"></use></g>
<g transform="matrix(.012,-0,0,-.012,12.05,15.475)"><use xlink:href="#x73"></use></g><g transform="matrix(.012,-0,0,-.012,16.357,15.475)"><use xlink:href="#x75"></use></g><g transform="matrix(.012,-0,0,-.012,22.628,15.475)"><use xlink:href="#x62"></use></g>
</svg></span></td><td align="center"><span style="width: 25.5px;"><svg height="18.6" id="M9" style="vertical-align:-5.73163pt" version="1.1" viewbox="0 0 25.5 18.6" width="25.5" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.4)"><use xlink:href="#x1D436"></use></g>
<g transform="matrix(.012,-0,0,-.012,12.05,15.475)"><use xlink:href="#x32"></use></g><g transform="matrix(.012,-0,0,-.012,17.761,15.475)"><use xlink:href="#x1D45D"></use></g>
</svg></span></td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td align="left">Test 6-1</td><td align="center">Orifice</td><td align="center">1.0</td><td align="center">1.0</td></tr><tr><td align="left">Test 6-2</td><td align="center">Orifice</td><td align="center">1.0</td><td align="center">1.0</td></tr><tr><td align="left">Test 1</td><td align="center">Nozzle</td><td align="center">1.0</td><td align="center">0.85</td></tr><tr><td align="left">Test 2</td><td align="center">Nozzle</td><td align="center">1.0</td><td align="center">1.1</td></tr><tr><td align="left">Test 5-2</td><td align="center">Orifice</td><td align="center">1.0</td><td align="center">1.0</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Choked flow discharge coefficients used for all break locations, subcooled discharge (<svg height="15.6875" id="M6" style="vertical-align:-3.39064pt" version="1.1" viewbox="0 0 29.35 15.6875" width="29.35" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.4)"><path d="M682 629q-1 -16 -1.5 -72t-2.5 -86l-31 -4q-5 92 -51 129t-139 37q-100 0 -177 -49t-116 -125t-39 -162q0 -122 66 -201t182 -79q83 0 137 42.5t112 128.5l26 -15q-12 -31 -42.5 -88t-45.5 -75q-139 -27 -199 -27q-148 0 -243 81.5t-95 226.5q0 173 129.5 274.5
t325.5 101.5q114 0 204 -38z" id="x1D436"></path></g>
<g transform="matrix(.012,-0,0,-.012,12.05,15.475)"><path d="M319 325l-25 -7q-33 99 -103 99q-29 0 -47 -19.5t-18 -49.5t22 -49.5t62 -36.5q63 -26 95 -57t32 -79q0 -64 -50 -101t-115 -37q-35 0 -67.5 10.5t-46.5 23.5q-5 11 -11 51t-6 67l27 5q14 -53 46.5 -88.5t75.5 -35.5q29 0 50 19.5t21 50.5t-19.5 51.5t-59.5 39.5
q-28 12 -46 22.5t-38.5 27t-30.5 38.5t-10 49q0 54 42.5 92t109.5 38q48 0 88 -18q6 -15 13 -50.5t9 -55.5z" id="x73"></path></g><g transform="matrix(.012,-0,0,-.012,16.357,15.475)"><path d="M518 50v-26q-32 -4 -77 -16l-37 -11t-33 -9l-6 6v71q-56 -42 -74 -52q-43 -25 -77 -25q-55 0 -89.5 36.5t-34.5 112.5v196q0 38 -6.5 48.5t-26.5 15.5l-28 6v23q19 1 72 7q59 9 71 11q-3 -31 -3 -145v-135q0 -113 88 -113q59 0 108 48v234q0 38 -8 49t-34 15l-36 6v23
q44 2 90 8q37 4 67 10v-334q0 -37 8.5 -47t38.5 -12z" id="x75"></path></g><g transform="matrix(.012,-0,0,-.012,22.628,15.475)"><path d="M152 404l81 35q23 10 41 10q81 0 139 -61.5t58 -149.5q0 -107 -74.5 -178.5t-176.5 -71.5q-71 0 -147 36v555q0 48 -9.5 59.5t-56.5 15.5v23q79 10 145 35v-308zM152 374v-258q0 -20 6 -35q7 -19 30 -37t58 -18q63 0 99.5 50t36.5 137q0 82 -43.5 131t-108.5 49
q-44 0 -78 -19z" id="x62"></path></g>
</svg>) and two-phase flow discharge (<svg height="18.6" id="M7" style="vertical-align:-5.73163pt" version="1.1" viewbox="0 0 25.5 18.6" width="25.5" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.4)"><use xlink:href="#x1D436"></use></g>
<g transform="matrix(.012,-0,0,-.012,12.05,15.475)"><path d="M412 140l28 -9q0 -2 -35 -131h-373v23q112 112 161 170q59 70 92 127t33 115q0 63 -31 98t-86 35q-75 0 -137 -93l-22 20l57 81q55 59 135 59q69 0 118.5 -46.5t49.5 -122.5q0 -62 -29.5 -114t-102.5 -130l-141 -149h186q42 0 58.5 10.5t38.5 56.5z" id="x32"></path></g><g transform="matrix(.012,-0,0,-.012,17.761,15.475)"><path d="M570 304q0 -108 -87 -199q-40 -42 -94.5 -74t-105.5 -43q-41 0 -65 11l-29 -141q-9 -45 -1.5 -58t45.5 -16l26 -2l-5 -29l-241 -10l4 26q51 10 67.5 24t26.5 60l113 520q-54 -20 -89 -41l-7 26q38 28 105 53l11 49q20 25 77 58l8 -7l-17 -77q39 14 102 14q82 0 119 -36
t37 -108zM482 289q0 114 -113 114q-26 0 -66 -7l-70 -327q12 -14 32 -25t39 -11q59 0 118.5 81.5t59.5 174.5z" id="x1D45D"></path></g>
</svg>) coefficients. 

Science and Technology of Nuclear Installations

tab12

Table 12

Table 12: Remarks on Consistent Development of Plant Nodalizations: An Example of Application to the ROSA Integral Test Facility 