2007
DOI: 10.1016/j.expthermflusci.2006.10.003
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Steady state and stability characteristics of single-phase natural circulation in a rectangular loop with different heater and cooler orientations

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Cited by 157 publications
(51 citation statements)
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“…7). Table 3 presents the dimensions of two HHHC and VHHC configurations studied in previous works by Vijayan et al (2007) and Pilkhwal et al (2007). Hereinafter, these geometries are adopted in order to compare the results of the present work when internal heat generation and heat exchange effects (α ¼ 1 and B ¼0) are not considered.…”
Section: Rectangular Loop Configurationsmentioning
confidence: 98%
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“…7). Table 3 presents the dimensions of two HHHC and VHHC configurations studied in previous works by Vijayan et al (2007) and Pilkhwal et al (2007). Hereinafter, these geometries are adopted in order to compare the results of the present work when internal heat generation and heat exchange effects (α ¼ 1 and B ¼0) are not considered.…”
Section: Rectangular Loop Configurationsmentioning
confidence: 98%
“…(2) and (3), in which all the thermo-physical properties are assumed constant. In literature (e.g., see Fichera and Pagano, 2003;Ruiz et al, 2015;Vijayan et al, 2007), also the convective heat transfer coefficient h is treated as a fixed parameter, by neglecting its dependence on the mass flux (and hence on the Reynolds number). By Pini et al (2014), this assumption is removed and a parametric relation between h, G ¼ G 0 þ δG and Pr of the same form as the classical Dittus-Boelter correlation is considered:…”
Section: Linear Non-dimensional Governing Equationsmentioning
confidence: 99%
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“…Heater and cooler consist of tube sections with conducting walls and can be vertical or horizontal. It reproduces the dimensions of the experimental NCL installed in Bhabha Atomic Research Centre (BARC), in Mumbai, India, described by [1]. Figure 1 shows a schematic drawing of the circuit.…”
Section: Mathematical Modelmentioning
confidence: 99%
“…Figure 1 shows a schematic drawing of the circuit. Note that the loop is provided with both vertical and horizontal heaters and coolers, with the objective to observe the influence of the orientation of these components, which is actually the main topic of [1]. They have found that the most unstable configuration is that of horizontal heater and cooler (HHHC configuration).…”
Section: Mathematical Modelmentioning
confidence: 99%