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Experimental investigation of the heat transfer performance of a

The results demonstrate that the compact fins significantly enhanced the heat transfer capacity of the ice storage unit. Additionally, the heat transfer performance was optimized with a fin spacing of d = 4 mm. Heat pipe based cold energy storage systems for datacenter energy conservation. Energy, 36 (5) (2011), pp. 2802-2811, 10.1016/j

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Heat transfer enhancement technology for fins in phase change energy

Today''s heat storage technologies mainly include sensible heat energy storage, latent heat energy storage (phase change energy storage), and thermochemical energy storage. The farther the hole is from the heat transfer fluid (HTF) pipe, the stronger the heat conduction and the weaker the convection. There is an optimal balance between heat

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Heat energy storage! (more in comments) : r/factorio

Once the pipes/exchangers are hot, I remove the reactor and turn on the power switch. That way I charge accumulators only with the energy stored as heat and so I can measure the amount of energy. Here are the results: a heat exchanger warmed up to 999C stores 538MJ, equivalent to 107 accumulators. a heat exchanger warmed up to 998C and a pipe

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Latent heat thermal energy storage: Theory and practice in

Researchers have proved the effect of foam metal in improving the thermal conductivity and temperature uniformity of PCM through heat transfer experiments [21, 22], visualization experiments [23], theoretical calculations [24] and numerical simulations [25, 26].Sathyamurthy et al. [27] used paraffin as an energy storage medium in recycled soda cans

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Regenerative heat exchanger

A regenerative heat exchanger, or more commonly a regenerator, is a type of heat exchanger where heat from the hot fluid is intermittently stored in a thermal storage medium before it is transferred to the cold fluid. To accomplish this the hot fluid is brought into contact with the heat storage medium, then the fluid is displaced with the cold fluid, which absorbs the heat.

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High temperature latent heat thermal energy storage using heat pipes

DOI: 10.1016/J.IJHEATMASSTRANSFER.2010.03.035 Corpus ID: 123588790; High temperature latent heat thermal energy storage using heat pipes @article{Shabgard2010HighTL, title={High temperature latent heat thermal energy storage using heat pipes}, author={Hamidreza Shabgard and Theodore L. Bergman and Nourouddin Sharifi

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Thermal performance analysis of heat pipe heat exchanger for

Energy saving via heat pipe heat exchanger in air conditioning applications experimental study and economic analysis. J. Build. Eng., 35 (2021), Article 102053. View PDF View article View in Scopus Google Scholar [15] B. Zare, M. Kahani, M. Zamen, F. Salek.

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Energy and exergy analysis of latent heat storage with heat pipe

Thermal energy storage: The role of the heat pipe in performance enhancement. Diao YH, Wang S, Li CZ, et al. Experimental study on the heat transfer characteristics of a new type flat micro heat pipe heat exchanger with latent heat thermal energy storage. Exp Heat Transf 2017; 30(2): 91–111.

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A novel thermal storage integrated evacuated tube heat pipe

The main function of the lap joint-type flat micro-heat pipe was to transfer the absorbed solar energy by the evacuated tubes to the paraffin stored in thermal storage tank or to deliver the heat to the airflow channel. During Run 1 the maximum heat pipe and thermal energy storage temperature obtained were 145 °C (3.50 pm) and 142 °C (3.

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A comprehensive review of heat transfer enhancement and flow

The concentric pipe heat exchanger is widely applied in the field of heat transfer due to its simple structure and convenient manufacture. In the past decades, numerous investigations have been carried out on concentric pipe heat exchangers due to the technological developments. [37], phase change latent heat energy storage system [38, 39

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Introduction to Heat Pipes

Heat Pipes - Hardware • M t l ( l i ) t b ith th i fMetal (aluminum) tube with grooves on the inner surface – cold t ild extrusion • Grooves are filled with the working fluid (water, ammonia, propylene, etc.) • Flanges can be added on the outer surface for easy integration with instruments or radiators (The flange is an integral part of the extrusion)

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Heat pipe

The heat pipe can transport heat over longer distances and connect devices which produce and use heat. Currently, this is limited to heat exchangers, nuclear reactors, and heating towers.. Heat pipes have a heat capacity of 1 MJ/°C. Thus, they can theoretically buffer 500 MJ of heat energy across their working range of 500°C to 1000°C, making them a space-efficient energy store.

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Heat transfer characteristics of cascade phase change energy storage

The heat preservation performance of the combined energy storage pipeline was evaluated by numerical simulation.This paper analyses the heat transfer performance of complex energy storage pipes, and considers the influence of natural convection and variable temperature zone on insulation performance.On this basis, the structure design of

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Multi-stage heat-pipe heat exchanger for improving energy

Abstract. The demands of specific requirements related to thermal comforts, such as temperature, relative humidity, inside air exchange and other factors required in a hospital operating rooms, have necessitated the development of energy-efficient heating, ventilation and air conditioning (HVAC) systems and efficient heat-recovery system using a heat-pipe heat

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Heat transfer enhancement of PCM in the triple-pipe helical

In various latent heat energy storage designs, the double-pipe system increases the heat transfer area by capitalising on the annular space between two concentric cylinders, thereby achieving higher thermal efficiency. Seddegh et al. [32] conducted a study on the thermal behaviour of vertical and horizontal shell-and-pipe LHTES. The results

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Dynamic heat transfer characteristics of gravity heat pipe with heat

It has been verified that the equivalent heat transfer coefficient of heat pipes with liquid ammonia as the working medium has reached 6000–15,000 W/m 2 ·K in the existing literature [38], Study on application characteristics of phase change energy storage heat pipe, in: The 13th National Heat Pipe Academic Conference. Google Scholar [5]

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Which Heat Exchanger Is Best? The Three Main Types Explained...

The shell and tube heat exchanger in the photo above has about twelve times the efficiency than a hypothetical single-tube heat exchanger of the same size. However, there is a disadvantage to smaller tubes – if the fluid in your application is very viscous or has particulates, it can foul up the tube and undermine the heat transfer process.

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International Journal of Heat and Mass Transfer

Typical heat pipe heat exchanger (HPHX) design goals are to maximize heat transfer rates and effectiveness (the ratio of the actual heat transfer rate to the maximum possible heat transfer rate) while minimizing cost, size, weight, pressure drop, and overall thermal resistance. High temperature latent heat thermal energy storage using heat

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A critical review on phase change materials (PCM) based heat exchanger

Generally, heat energy storage capacity of PCM-based LHS system expressed [2] as (1) Q = while the solar thermal component directly heats fluid within a system of pipes, often water or heat transfer oil, utilizing the sun''s heat. The generated electricity can be used for various electrical needs, stored for later use, or fed into the grid.

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Selection of Phase Change Material for Latent Heat Thermal Energy

Abstract. Phase change materials (PCMs) are promising for storing thermal energy as latent heat, addressing power shortages. Growing demand for concentrated solar power systems has spurred the development of latent thermal energy storage, offering steady temperature release and compact heat exchanger designs. This study explores melting and

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Heat pipe based systems

Jung and Boo [77] performed a numerical thermal modelling of a high temperature heat pipe heat exchanger under radiation. The heat pipe material was stainless steel charged with sodium. This has shown to be of great importance when employing heat pipes in thermal energy storage systems since heat pipes have high effective thermal

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Enhancement of the Thermal Energy Storage Using Heat-Pipe

Usage of phase change materials'' (PCMs) latent heat has been investigated as a promising method for thermal energy storage applications. However, one of the most common disadvantages of using latent heat thermal energy storage (LHTES) is the low thermal conductivity of PCMs. This issue affects the rate of energy storage (charging/discharging) in

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Thermal performance of a plate-type latent heat thermal energy storage

Results showed that the double pipe heat exchanger with the PCM embedded in a graphite matrix With this aspect ratio, a staggered heat exchanger with an energy storage capacity of 1800 kJ was designed, as shown in Fig. 14. The total PCM volume was 0.01 m 3 for different structures. During energy storage, the heat transfer fluid (HTF) whose

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Experimental investigation on the thermal performance of heat pipe

Discharging process of a finned heat pipe–assisted thermal energy storage system with high temperature phase change material. Energy Convers Manage, 118 (2016), Experimental investigation on an integrated thermal management system with heat pipe heat exchanger for electric vehicle. Energy Convers Manage, 118 (2016), pp. 88-95.

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Experimental investigation of heat transfer performance of a heat pipe

Robak et al. (2011) experimentally investigated latent heat thermal energy storage (LHTES) using heat pipes. Results showed that for the solidification case, the heat pipe-assisted scheme had nearly double solidification rates compared to the benchmark case without heat pipes and fins.

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A comprehensive review of deep borehole heat exchangers

A small number of studies have been conducted to investigate the potential for deep borehole thermal energy storage (BTES) and an overview of storage efficiency metrics is provided herein to bring consistency to the reporting of thermal energy storage performance of such systems. heat transfer between BHE pipe and surrounding media can be

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Experimental study on the parallel-flow heat pipe heat exchanger

Experimental study on a pulsating heat pipe heat exchanger for energy saving in air-conditioning system in summer. Energy Build., 197 (2019), pp. 1-6, 10.1016/j.enbuild Numerical and experimental investigations of latent thermal energy storage device based on a flat micro-heat pipe array–metal foam composite structure. Renew. Energy

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Thermal performance analysis of a new multiple flat-plate latent heat

This paper proposes a novel latent heat storage heat exchanger integrated heat supply and storage to address the intensity mismatch of renewable energy. Using experimental data in published literature validates the developed two-dimensional mathematical model.

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Designing coaxial ground heat exchangers with a thermally enhanced

The increase of heat storage capacity associated with coaxial GHEs is expected to positively impact sizing calculations performed with GLHEPRO, where the fluid factor has been set to 1 for all cases presented below. Mogensen P, Palm B (2011) Distributed thermal response tests on a multi-pipe coaxial borehole heat exchanger. HVAC & R

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A comprehensive review of heat pipe: Its types, incorporation

Krishna et al. [136] conducted experiments to predict the heat transfer characteristics of heat pipes for electronic cooling applications. They covered the adiabatic section of the heat pipe with a storage tank containing nano-enhanced phase change material (Al 2 O 3 and Tricosane). The evaporator temperature of the heat pipe was found to

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Thermal analytical model of latent thermal storage with heat pipe heat

The temperature of the heat transfer fluid (HTF; generally vapor or air) used for LTES in a concentrated solar power (CSP) system should be maintained between 250 °C and 500 °C (Michels and Pitz-Paal, 2007).Traditionally, alkali nitrate salts or chloride eutectic compositions, which have phase-change temperatures above 250 °C, have been used as

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High temperature latent heat thermal energy storage using heat pipes

A thermal network model is developed and used to analyze heat transfer in a high temperature latent heat thermal energy storage unit for solar thermal electricity generation. Specifically, the benefits of inserting multiple heat pipes between a heat transfer fluid and a phase change material (PCM) are of interest.

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About Heat pipe energy storage heat exchanger

About Heat pipe energy storage heat exchanger

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By interacting with our online customer service, you'll gain a deep understanding of the various Heat pipe energy storage heat exchanger featured in our extensive catalog, such as high-efficiency storage batteries and intelligent energy management systems, and how they work together to provide a stable and reliable power supply for your PV projects.

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6 FAQs about [Heat pipe energy storage heat exchanger]

How does a heat exchanger work?

The heat exchanger incorporated 95 heat pipes to enhance the heat transfer rate from the hot to the cold side by minimizing the total thermal resistance with the aid of the high effective thermal conductivity of the heat pipes.

Why are heat pipes used in energy storage systems?

Heat pipes have been used extensively in a variety of energy storage systems. They are suited to thermal storage systems, in particular, in the role of heat delivery and removal, because of their high effective thermal conductivity and their passive operation.

What is a heat pipe heat exchanger?

In comparison with traditional heat exchangers, heat pipe heat exchangers indicate high compactness, a flexible arrangement, complete separation of hot and cold fluids, good isothermal operations, etc. As a result, heat pipe heat exchangers have attracted wide attention and application in various fields in recent years.

Can a heat exchanger be used in a residential heat recovery system?

Diao et al. designed a small flat-plate heat pipe heat recovery device as the core heat transfer component of a residential heat recovery system. Jing et al. applied an air–water heat exchanger based on a micro-heat pipe array in data centers and investigated the performance of the heat exchanger under different operating conditions.

What is a PCM-heat pipe heat exchanger?

The PCM-heat pipe heat exchanger (PCM-HPHX) Another relatively common heat exchanger configuration is the PCM-HPHX which utilizes a phase change material (PCM) to store (release) thermal energy from (to) one or more heating (cooling) fluids.

Can heat pipe heat exchanger reduce energy consumption in hospital room HVAC system?

Utilizing heat pipe heat exchanger to reduce the energy consump-tion of airborne infection isolation hospital room HVAC system. J Build Eng. 2021;35:102116. 3. Ibnu Hakim I, Sukarno R, Putra N. Utilization of U-shaped finned heat pipe heat exchanger in energy-efficient HVAC systems.

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