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Research Paper Thermal performance of two evacuated tube solar collectors with flat heat pipes …
Zambolin and Del Col [11] revealed that heat pipe SWCs has lower ambient climate dependence, higher thermal efficiency, and higher outlet water temperature than FPSWC. A comparative investigation on performance differences between the flat …
Thermal characteristics of grid flat-plate heat receiver in a solar power-tower system …
A novel grid flat-plate heat receiver for the SPT system is proposed. • Isothermal performance is improved by the micro heat pipe cycles. • Recirculation grid forms a flowing "sodium pool" in micro cycle. • Heat flux and air …
Experimental investigation of performance for the novel flat plate solar collector with micro-channel heat pipe …
Heat collection unit (HCU) is the key component to absorb solar radiation energy and transfer the heat energy to the TPCT. It consists of multiple microheat pipe array flat-plate solar collectors ...
Performance evaluation of a novel flat-plate solar air collector with ...
This paper proposes a new type of a flat-plate solar air collector (SAC) with micro-heat pipe arrays (MHPA), which consist of a heat collection and transfer section and an air ventilation and heat exchange section. In the unique structure, the heat exchange of air is separated from heat collection and transmission.
Thermal performance of two evacuated tube solar collectors with flat ...
Therefore, flat-plate micro-heat pipe arrays (FMHPA), which was created by Zhao et al. [38], is considered during the design of the device. In the existing literature on the application of FMHPA in the field of solar heat collection, flat plate solar air collectors, flat plate solar water collectors and evacuated tube solar air collectors have ...
Performance analyses on a novel heat pump with a hybrid …
The structure of the novel heat pump with hybrid condenser combined with flat plate micro-channel heat pipe (MCHP) plus thermoelectric generator (TEG) and FPV evaporator proposed in this paper is shown in Fig. 1, Fig. 2, Fig. 3.The novel hybrid heat pump consists of Fresnel photovoltaic (FPV) evaporators, a compressor, a hybrid …
Experimental investigation of performance for the novel flat plate ...
Heat collection unit (HCU) is the key component to absorb solar radiation energy and transfer the heat energy to the TPCT. It consists of multiple microheat pipe array flat-plate solar collectors ...
Comparative study of various solar power generation systems …
The experiments study of a water-cooled PV-STEG system based on flat plate microchannel heat pipe (FPMCHP) was performed under laboratory conditions by …
Experimental investigation of performance for the novel flat plate ...
The objective of this program was to analytically and experimentally investigate the use of heat pipes in flat-plate solar collectors. Heat pipes are passive …
Thermal performance of new flat plate solar air heater based on micro ...
Request PDF | Thermal performance of new flat plate solar air heater based on micro-heat pipe arrays (MHPA) | In common types of flat-plate solar air heaters, the uneven flow and heat exchange ...
Thermal performance of new flat plate solar air heater based on …
In common types of flat-plate solar air heaters, the uneven flow and heat exchange between air and an absorber plate poses a problem. To resolve this problem, this paper …
Thermal performance of new flat plate solar air heater based on micro ...
In common types of flat-plate solar air heaters, the uneven flow and heat exchange between air and an absorber plate poses a problem. To resolve this problem, this paper proposed a novel type of flat-plate solar air heater based on micro-heat pipe arrays (MHPA). An investigation was carried out on the design, thermal performance and flow …
Flat plate pulsating heat pipes: A review on the thermohydraulic ...
This paper will be specifically focused on a particular type of PHP known as the "Flat Plate Pulsating Heat Pipes" (FPPHP), which can be defined as: a flat plate with engraved/machined (or obtained by additive/etching manufacturing) single, generally square or rectangular channel forming a serpentine between one or more hot sources and one or …
Experimental study on the thermal performance and pressure drop …
The authors designed and fabricated a solar air collector whose core component is FMHPA. FMHPA is a high-efficiency heat transfer component that relies on a phase change in the working liquid to transfer heat. FMHPA is a flat aluminum plate with several independent micro-heat pipes. It is filled with acetone with 20% liquid filling ratio.
Research Paper Performance investigation of a novel flat-plate solar air collector with L-shaped dual micro heat pipe …
The micro heat pipe array (MHPA) introduced by Zhao et al. [37] overcomes the disadvantages of high cost and difficult fabrication of traditional heat pipes [38] and has been proven to have excellent thermal conductivity in …
A numerical study on performance optimization of a micro-heat pipe ...
A numerical study on performance optimization of a micro-heat pipe arrays-based solar air heater. Author links open overlay panel Tingting Zhu a, Ji Zhang b. ... resulting in a majority of the system heat loss. ... Performance evaluation of a novel flat-plate solar air collector with micro-heat pipe arrays (MHPA) Appl Therm Eng, 118 …
Experimental investigation of performance for the novel flat plate ...
Highlights A novel flat plate solar collector with micro-channel heat pipe array is proposed. MHPA has excellent thermal respond speed and isothermal ability. The experimental value of F R (τα) e and F R U L are 0.80 and 4.72, respectively. Instantaneous efficiency of MHPA-FPC is compared to other collectors. Experiments and comparisons …
A Review on the Heat Pipe Photovoltaic/Thermal (PV/T) System
The Photovoltaic/thermal (PV/T) system combines the conventional PV panel with solar collector into one integrated system, which could achieve the function of generating power and providing thermal energy at the same time. Recently, it has become the most promising solar system for building applications. Most of the PV/T systems use …
Experimental investigation on thermal characteristics of a novel …
In solar power tower systems, the heating surface of a heat receiver is prone to local overheating, thermal fatigue, and thermal ratcheting under nonstationary, nonuniform, and high-heat-flow-density loads, resulting in failure of the heat receiver.Therefore, this paper proposes a novel high-temperature, mesh, flat-plate heat …
Experimental study on heat transfer and storage of a heating system ...
To solve the contradiction between building insulation and importing solar energy into buildings in winter, this study proposes a new building heating ceiling system consisting of a flat-plate heat pipe (FHP) coordinated with a phase change material (PCM), and establishes a platform for a heat stockpiling device integrating the FHP and PCM.
A visualization study on flat plate heat pipe (FPHP)
With the aim to analyze the flow pattern and heat transfer characteristics of the working fluid in a flat plate heat pipe ... Allouhi A, Amine MB, Buker MS, et al. Forced-circulation solar water heating system using heat pipe-flat …
3D printed aluminum flat heat pipes with micro grooves for …
A novel aluminum flat heat pipe, with micro-grooves, has in the present work been designed and fabricated by using a 3D printing technology.
Thermal performance of solar air collection-storage system with phase ...
air collection-storage thermal system. FMHPA. flat micro-heat pipe arrays. LTSD. latent thermal storage device. PCM. ... Enibe [14], [15] constructs a passive solar powered air heating system, which is made up of a single-glazed flat plate solar collector integrated with PCM heat storage device. The system can be operated for crop …
A numerical study on performance optimization of a micro-heat pipe ...
The conventional flat-plate SAH releases the heat to the surrounding via the glass cover as the air flows through the absorber to collect heat, resulting in a majority of the system heat loss. Unlike the conventional flat-plate SAH, the MHPA-based SAH is able to separate the solar energy collection section and the heat release section [13] with ...
Thermal performance enhancement of micro-grooved aluminum flat plate ...
The experiments were operated at an inclined angle of 45°, the common operation condition of flat plate heat pipe solar collectors. The experimental test apparatus used for evaluating the thermal performance of MFPHPs with inner surface treatment is shown in Fig. 2.The test apparatus consisted of a heating system, a cooling system, a …
Experimental study and exergy analysis of photovoltaic-thermoelectric ...
The exergy analysis of a photovoltaicthermoelectric system with a flat plate micro-channel heat pipe has been confirmed the unique advantages of this combination by Shittu et al. (2020). Chen et ...
A preliminary study on heat pipe solar evacuated tube collector …
Thermal performance analysis of a solar water heating system with heat pipe evacuated tube collector using data from a field trial ... Acknowledgement of evacuated tube solar water heater over flat plate solar water heater ... experimental investigation on thermal performance for two types of vacuum tube solar air collectors based on flat …
Thermal performance analysis of a solar air collection–cascade storage system integrated with micro-heat pipe …
Flat-plate micro-heat pipe arrays are applied in collector and heat storage units for heat transfer enhancement. To increase energy utilization ratio and improve system stability, a cascade storage configuration using paraffin and lauric acid is adopted.
Experimental investigation of the novel BIPV/T system employing …
In this paper, the micro-channel flat-plate heat pipes-based BIPV/T system has been proposed, which is expected to have the characteristics, e.g. reduced …
Experimental Investigation of a New Flat Plate Solar Heat …
The new system described in this study uses a novel micro heat pipe array as a key component for the system. One such flat plate heat collector contains over 300 micro heat pipes per 1m2 and the ...
Thermal performance of new flat plate solar air heater based on micro ...
In common types of flat-plate solar air heaters, the uneven flow and heat exchange between air and an absorber plate poses a problem. To resolve this problem, this paper proposed a novel type of ...
A numerical and experimental study of micro-channel heat pipe solar ...
This kind of solar system is termed photovoltaic/thermal (PV/T) system. The system can provide hot water while producing electricity at the same time. ... Prediction of the temperature field in flat plate heat pipes with micro-grooves – experimental validation. Int J Heat Mass Transf, 51 (15) (2008) Google Scholar [45] A. Bejan. …
Performance investigation of a novel flat-plate solar air collector ...
The micro heat pipe array (MHPA) introduced by Zhao et al. [37] overcomes the disadvantages of high cost and difficult fabrication of traditional heat pipes [38] and has been proven to have excellent thermal conductivity in thermal systems, such as heat sink [39], [40], battery system [41], and heat collection-storage system [42].
Experimental investigation of performance for the novel flat plate ...
A novel flat plate solar collector with micro-channel heat pipe array is proposed. MHPA has excellent thermal respond speed and isothermal ability. The …