2013
DOI: 10.1016/j.applthermaleng.2013.08.023
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A new inlet device that enhances thermal stratification during charging in a hot water storage tank

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Cited by 59 publications
(44 citation statements)
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“…Signals were captured, displayed and recorded by software compiled in Labview (NI) every 10 s. The TC temperatures with all the acquisition system were calibrated against a PT100 (error < ±0.1%). Figure 2 provides a picture of the experimental facility, described in more detail in [19].…”
Section: Facility and Experimental Trialsmentioning
confidence: 99%
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“…Signals were captured, displayed and recorded by software compiled in Labview (NI) every 10 s. The TC temperatures with all the acquisition system were calibrated against a PT100 (error < ±0.1%). Figure 2 provides a picture of the experimental facility, described in more detail in [19].…”
Section: Facility and Experimental Trialsmentioning
confidence: 99%
“…The effect of the performance of the two inlet devices (SBCD and elbow), water flow rate and the turbulence created, was studied in detail in [19]. At the end of the charge period, the temperatures registered by the thermocouples located at the top and in the middle part of the tank were verified to be lower with the elbow than with the SBCD, indicating a greater degree of mixing during thermal charging.…”
Section: Facility and Experimental Trialsmentioning
confidence: 99%
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“…Thermal stratification is usually a desirable effect in hot water storage tanks, as it could lead to higher operating temperatures [17,18], lower auxiliary energy consumption [19,20] and higher exergy outputs [21] than fully mixed storage, that is, energy storage at homogeneous temperature. It has been proved that the mass velocity of the input/output flows has a negative effect on stratification due to the mixing effect of the flow kinetic energy [22][23][24].…”
Section: Introductionmentioning
confidence: 99%
“…The water inlet and outlets were located at the top and bottom of the tank,. They were equipped with diffusers consisting of two parallel plates since it has been shown that these devices improve the performance of thermal storage tanks by restraining mixing induced by water inflow [12,[16][17][18]. Dimensions and constructive features of this prototype were conditioned because the tank was built with a dual purpose: on the one hand the mathematical modeling with CFD presented in this work, validated against experimental trials; and on the other hand, the determination and characterization of the flow velocity field applying the Particle Tracking Velocimetry (PTV) technique.…”
Section: Experimental Setup and Instrumentationmentioning
confidence: 99%