Spiral Heat Exchanger
China spiral heat exchanger manufacturer, designer, distributor and servicer. The spiral heat exchangers are compact and ideal for many HVAC and industrial applications. We can also make the spiral heat exchanger according to your specific requirements. ... Typical chamber on top of heat transfer bundle and gravity flow as it condenses or …
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Investigation of phase change in a spiral-fin heat exchanger
In this study the effect of a spiral fin on the melting process of a phase change material in a heat exchanger is investigated. Water as the heat transfer fluid enters the tube at 348 K and the phase change material, RT50, the melting temperature of which is in the range of 318 K to 324 K, fills the space between the tube and the shell.
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Alfa Laval spiral heat exchangers
4 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 …
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Research progress on gravity heat pipe technology to …
The team designed the inner wall of the gravity heat pipe as a spiral groove. The convective heat transfer coefficient of the spiral groove gravity heat pipe was increased by 10-23% like that of the ordinary gravity heat pipe, in which the groove depth and pitch have a great influence on the heat transfer.
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Numerical simulation of heat transfer …
LNG floating production storage and offloading (FPSO) unit is a new type of floating production unit developed for offshore natural gas fields. It performs the functions of natural gas extraction, pretreatment, …
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Natural convection mass and heat transfer at a horizontal …
Abstract. The free convection mass and heat transfer (by analogy) behavior of a spiral tube was studied by an electrochemical technique which involved measuring …
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Heat transfer performance and startup characteristics of …
The separated gravity heat pipe is designed to achieve a heat transfer capacity of 50 kW, with vacuum and pressure within the tube varying from −0.1 to 1 MPa. Both the …
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Recovery energy from the separated and gravity type of …
Key words: Heat pipe exchanger, separated type, gravity type, China. INTRODUCTION Heat pipe as a patent technology was named as a "heat element" by USA Gaugler Company in 1944. Grover, firstly pointed out heat pipe as a patent technology in 1963 and he publicly published their experimental results, while Cotter described the …
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Design considerations and Monte Carlo criticality analysis of spiral …
Novel MSR core designs might attain an integrated heat exchanger with spiral designs. ... allowing the fuel salt to be gravity fed into separate subcritical holding vessels capable of managing decay heat. The thermophysical properties of molten salts make them very efficient heat transfer fluids and contribute to effective decay heat …
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Alternative design approach for spiral plate heat …
Heat load 1.865E+5 1.865E+5 W Heat transfer area 15.515 14.772 m 2 Heat transfer coefficient. Hot side - 455.17 W/m2 K Heat transfer coefficient. Cold side - 467.15 W/m2 K Overall heat transfer coefficient 220.31 230.53 W/m2 K Plate length 12.741 13.81 m Plate width 0.61 0.5334 m Spiral diameter 0.593 0.61468 m Pressure drop.
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Designing Spiral Plate Heat Exchangers to Extend …
Spiral plate heat exchangers are well suitable for handling fluids with features linked to fouling, high viscosities, fluids with suspended fragments of solids and process streams with tough heat ...
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Shell-side heat transfer characteristics of floating liquefied …
In this study, LNG-SWHEs were used for offshore natural-gas liquefaction. The experimental setup for investigating the flow and heat transfer of a falling film over a horizontal tube bundle under swaying conditions is presented in this section and illustrated in Fig. 1. n-Pentane was used as the working mass in this experiment.The experimental …
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Calculation method of gas–liquid two-phase boiling heat transfer …
Therefore, in this paper, focusing on the mechanism of boiling heat transfer, a calculation model for gas–liquid two-phase boiling heat transfer was established to predict the boiling heat transfer characteristics. Separated phase flow model was chosen as the two-phase flow model [10, 15, 16]. In the process of modeling, the influence of ...
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RAJAKUMARAN C on LinkedIn: Heat and Mass Transfer: Introduction to Heat
By facilitating the transfer of heat between fluids while keeping them physically separated, heat exchangers ensure optimal energy utilization and process performance. 3️⃣ From cooling to ...
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Mass and heat transfer behavior of a bubble column fitted …
According to Sedahmed [16] and Deckwer [17] radial flow enhances the rate of mass and heat transfer at the transfer surface through the surface renewal mechanism This radial and axial solution momentum, along with microturbulence generated in the wake of the rising bubbles due to the separation of the hydrodynamic boundary layer, …
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Spiral Heat Exchangers Explained – ClassX
Spiral heat exchangers are specialized devices designed for efficient heat transfer between two fluids, featuring a unique spiral channel that keeps the fluids completely …
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Gravity Spiral Control
Gravity spirals are regarded as a simple and robust concentration method. Spiral plants tend to have large numbers of spirals to process the feed effectively, making manual control difficult due ...
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(PDF) Optimization of Finned-Tube Heat Exchanger in a Gravity …
PDF | On Jan 1, 2024, Yangyiming Rong and others published Optimization of Finned-Tube Heat Exchanger in a Gravity-Assisted Separated Heat Pipe | Find, read and cite all the research you need on ...
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Numerical investigation on ash accumulation characteristics …
Acceleration of gravity, m·s −2. h ... [30] carried out three-dimensional numerical simulations for an integrally-formed spiral finned tube heat exchanger, and they proposed new correlations of the ... with the enhanced wall treatment is used to solve the turbulence flow because it has high accuracy in dealing with the separation flow of ...
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Designing Spiral Plate Heat Exchangers to Extend Its Service …
Spiral plate heat exchangers are well suitable for handling fluids with features linked to fouling, high viscosities, fluids with suspended fragments of solids and …
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Numerical simulation of heat transfer performance of spiral …
Open in a separate window. Fig 1. ... Under the action of gravity, the shell-side refrigerant is sprayed from the nozzle onto the heat-exchange tube, and a liquid …
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Spiral Heat Exchangers Explained – ClassX
Spiral heat exchangers are specialized devices designed for efficient heat transfer between two fluids, featuring a unique spiral channel that keeps the fluids completely separated. Their single-channel design allows for high fluid velocity, reducing the risk of fouling, making them particularly effective for handling thick substances in applications …
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Experimental Study on the Impact of Lubricant on the …
Gravity-assisted separation heat pipes (GSHPs) are extensively utilized in telecommunications base stations and data centers. To ensure year-round cooling, integrating GSHPs directly with a vapor compression refrigeration system is a viable solution. It is unavoidable that the refrigeration system's lubricant will infiltrate the heat …
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Numerical analysis on heat transfer performance of spiral …
The spiral elastic copper tubes (SECT) heat exchanger is a representative application of this flow-induced vibration mechanism in the field of heat exchange equipment [11], [12].Yang et al. [13] investigated the average heat transfer coefficients of spiral tubes and serpentine tubes in heat exchanger systematically. They found that …
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Experimental investigation on the frictional pressure drop of …
Natural gas is considered a secure and environmentally friendly energy source. The share of natural gas in energy use has been growing in recent years [1].Spiral-wound heat exchangers (SWHEs) have numerous advantages, such as large-scale units, compact structure, good thermal compensation performance, high-pressure resistance, …
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CN109405607A
The present invention relates to geothermal energy development apparatus fields, more particularly to a kind of spiral plate type condensation segment gravity heat pipe heat exchanger, including gravity assisted heat pipe, the gravity assisted heat pipe is from top to bottom divided into condensation segment, adiabatic section and evaporator section, …
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Process calculation method and optimization of the spiral-wound heat
Through the heat transfer analysis for SWHEs, Chengliang Xu [1] proposed a simplify analysis and calculation method which was used in a large cryogenic coil tube heat exchangers. This kind of method can be straightforward to calculate heat transfer area. Tingting Wang et al. [2] developed a distributed-parameter model for LNG SWHE and …
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Experimental tube-side pressure drop characteristics of FLNG spiral …
In the separator, the gas and condensate are separated and pass through the spiral wound heat exchanger, their temperature decreases to −153 °C and −110 °C respectively. Then the precooling mixed refrigerant flows back to cool the natural gas and refrigerant of higher temperature, after throttling by the valve.
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Total Heat Exchanger Solultions
This downward spiral motion causes high centrifugal forces to act on the carrying fluid. The solids in suspension are pushed to the wall of the separator and then move downward to the accumulation chamber (underflow)2 at the bottom of the separator. ... It is also important to note that the specific gravity of the solid to be separated from the ...
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Natural convection mass and heat transfer at a horizontal spiral …
Spiral tube heat exchangers offer several advantages over conventional shell and tube heat exchangers where straight tubes are used. Curved tubes used in spiral tube fabrication induce secondary flow as a result of the centrifugal force with a consequent increase in the inner side heat transfer coefficient over that of straight …
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Heat Exchangers,Storage Tanks,Column Category,Steel …
Spiral Heat Exchanger; ... liquid and vapor are separated by a separation device. Commonly used separation devices include gravity separators, centrifuges and cartridges. 5.Recirculation: The separated liquid is recirculated inside the evaporator. Usually, part of the liquid will flow back to the bottom of the evaporator through a return tube ...
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Experimental data and model for heat transfer, in liquid …
In a spiral-wound heat exchanger used for LNG production the refrigerant evaporates on the shell-side in downward flow. The streams on the tube-side are condensing or single-phase natural gas and refrigerant. ... 0.5 mm wide and 100 mm long. The two-phase flow is separated by gravity, and the liquid forms a level over the …
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How does a Spiral Heat Exchanger work?
A spiral heat exchanger is a type of heat exchanger that consists of two concentric spiral flow channels, allowing two different fluids to transfer heat between …
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Optimization of Finned-Tube Heat Exchanger in a Gravity …
Finned-tube heat exchanger (FTHE) is often used as an evaporator in commercial products of separated heat pipe (SHP). The working conditions of FTHE in gravity-assisted SHP are significantly different from those working in refrigerators and air conditioners. Although FTHE is widely used in commercial products of SHP, previous …
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Design method and software development for the spiral-wound heat
1. Introduction. The spiral wound heat exchanger (SWHE) is a kind of shell and tube heat exchanger. It is widely used in liquefied natural gas plants, air separation plants, petrochemical enterprises, rectisol, nuclear power stations due to their advantages of highly compact structure, good thermal compensation performance and high-pressure …
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Alfa Laval Spiral Heat Exchanger
To achieve sterilization temperatures steam is passed through one spiral and medium through the other in countercurrent o. Fig. 5.8. A schematic representation of a spiral heat exchanger (Alfa-Laval Engineering Ltd, Brentford, Middlesex). streams. Spiral heat exchangers are also used to cool the medium after passing through the holding coil.
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Experimental research of enhanced heat transfer for spiral …
The experimental results show that the heat transfer capacity of the spiral groove gravity heat pipe is 10%-23% higher than that of the ordinary gravity heat pipe, with the equivalent convection ...
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Design considerations and Monte Carlo criticality analysis of spiral …
Spiral plate heat exchangers (SHE) have been proven in industrial applications involving viscous and fouling fluids. ... allowing the fuel salt to be gravity fed into separate subcritical holding vessels capable of managing decay heat. The thermophysical properties of molten salts make them very efficient heat transfer fluids …
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Research on film condensation heat transfer at the inside of spiral …
Download Citation | Research on film condensation heat transfer at the inside of spiral coil tube | In this paper, especially considering the influence of viscous force, gravity and centrifugal ...
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SEC Spiral Heat Exchangers Brochure
Spiral Heat Exchangers Spiral heat exchangers are compact and ideal for many industrial applications.. SEC Heat Exchangers 2546 Iona Road, Belfast, PE, C0A 1A0 Canada T.902.659.2424, F.902.659.2800, info@secheatexchangers Spiral (Compact) Heat Exchangers
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