The tested heat pipes, graphs are presented displaying the temperature distribution
The tested heat pipes, graphs are presented showing the temperature distribution along the central line with the heat pipe and along its wall, at the same time as a graph showing the temperature distribution along the cross-section. The simulations have been carried out for the geometry from the heat pipes indicated within this perform and for the experimentally tested functioning media. three.1. Pipe I 3.1.1. Air The outcomes on a closed heat pipe with air in the center forced in at a temperature of 20 C at atmospheric stress proved the negligible heat transfer through the heat pipe. As is often observed in Figures 3, you’ll find no visible signs that would indicate the occurrence of phase transformations significant for the approach. These transformations will be the driving force with the heat transfer approach within the heat pipe, so their absence justifies its malfunction. It really is justified by the low thermal conductivity on the air, which, in the tested case, doesn’t act as a conductor, but as an insulator. The obtained outcomes indicate the nec essity to utilize a Ziritaxestat MedChemExpress unique heat transfer medium inside the tube.Energies 2021, 14, 7647 Energies 2021, 14, x FOR PEER REVIEW9 of 38 ten ofFigure 3. Temperature distribution within the heat pipe. (a) Total heat pipe; (b) evaporator section; (c) condenser 2-Bromo-6-nitrophenol site section, (d) isothermal section. pipe. (a) Total heat pipe; (b) evaporator section; (c) Figure 3. Temperature distribution inside the heat condenser section, (d) isothermal section.four, x FOR PEER Overview 4, x FOR PEER REVIEWEnergies 2021, 14,11 of 40 11 of10 ofFigure four. Temperature distribution along the height on the heat central line. Figure four. Temperature distribution along the height of the heat pipe’s central line. Figure four. Temperature distribution along the height with the heat pipe’s pipe’s central line.Figure five. Temperature distribution along the cross-section. distribution along the cross-section. Figure 5. Temperature Figure five. Temperature distribution along the cross-section.4, x FOR PEER REVIEWEnergies 2021, 14,12 of11 ofFigure 6. Temperature distribution along the height pipe’s wall. Figure six. Temperature distribution along the height in the heatof the heat pipe’s wall.three.1.2. R134A Filling on the Entire Volume with the Tube three.1.two. R134A Refrigerant-10 Refrigerant-10 Filling of your Complete Volume in the TubeThe test benefits from the heat pipe using the R134A working medium within the filling of ten of your total volume from the heat pipe proved heat transfer via the heat pipe. The quantity of ten ofdifferencesvolume on the heat pipe proved heat transfer through the heat the tested the total in water temperatures at the inlet and outlet with the heat exchanger in pipe. The differences in water temperatures in the inlet and to 11.60ofC. heat exchanger temperature range reached values from 1.59 C outlet the in the tested temperature variety reached values from 1.59tested filling was between 90 and 95 . The The efficiency of the heat pipe for the to 11.60 . The efficiency of the heat pipe for the indicatefilling was between 90 andof evaporation with the obtained simulation final results tested the point nature with the method 95 . The medium, i.e., this transformation doesn’t the location evenly around the surface the obtained simulation results indicate the point nature of take process of evaporation ofof the tube but medium, i.e., this mostly within the foci. Thisnot take spot evenly around the surface of thechanges on the pipe transformation does theory is supported by the regional temperature tube but walls, as shown in Figures.
