Sep 01, 2016 · Horizontal geothermal heat exchangers (HGHEs) with vertical spiral coils have been increasingly used in ground source heat pump (GSHP) systems. Research studies have been conducted using field tests and simulations trying to reveal the heat transfer mechanism of HGHEs with vertical spiral coils and to provide a good heat transfer performance.
Alfa Laval spiral heat exchangers4 Alfa Laval spiral heat exchangers Alfa Laval spiral heat exchangers (SHEs) are based on an ingen-ious design. It provides optimum heat transfer and flow conditions for a wide variety of fluids, with a built-in self-cleaning effect, while keeping the overall size of the unit to a minimum. Self-cleaning design High thermal efficiency
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Experimental and CFD investigation of spiral tube heat Jan 01, 2021 · 3. Experimental & CFD investigation of spiral heat exchanger. In this spiral coil heat exchanger hot fluid is on the tube side and cold fluid is on the shell side. To find heat exchanger efficiency, it has to be tested in various flow conditions such as varying flow rates. In this case, the heat exchanger was analyzed at 5 different flow rates
The efficiency of the horizontal geothermal heat exchanger, laid in a shallow hole, is improved with the presentence of groundwater flows. Li et al. (2012b) found that the groundwater flows have
SPIRAL HEAT EXCHANGERS - thermopediaThe process industry uses columns and reactors extensively and the Type G Spiral was developed to meet the need for a custom built unit which would be vertically mounted onto a column or reactor. The advantage of this arrangement is that it eliminates the need for a separate condenser and, more importantly, all of the large vapor pipework and reflux drum associated with it.
geothermal application, heat exchangers are available in two types:Open and closed type heat exchangers. The former is a direct system between the ground and the system. However, the closed heat exchanger is an indirect type of a system in which the pipes are buried in vertical or horizontal patterns.
Which Heat Exchanger Is Best? The Three Main Types This design lends itself to very high heat transfer efficiency due to large surface area much higher than a shell and tube heat exchanger taking up similar space. Plate heat exchangers are also much easier to clean and maintain, because theyre designed to be relatively easy to disassemble and inspect. Also, if there is a defect in a plate, you can simply remove two plates and put the unit right back in
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Heat transfer of a horizontal spiral heat exchanger under Nov 01, 2012 · Abstract. Groundwater flows at approximately 13 m under the ground surface in a given region. If groundwater flow is present, the performance of a horizontal ground heat exchanger (HGHE), buried in a shallow trench, is enhanced. Nevertheless, owing to the general depth at which groundwater is present, research regarding the heat transfer of