Inspired by the sunflower, we report a new structure of a solar collector that integrates a pulsating heat pipe (PHP) into a flat‐plate collector. The proposed …
The use of neural networks, as an input–output model, is a proper way to predict the complicated behavior of these systems and genetic algorithm is an efficient method for solving non-linear optimization problems. This research study presents an investigation on the behavior of a Pulsating Heat Pipe Flat-Plate Solar Collector …
Hybrid photovoltaic–thermal collectors (PVT) are cogeneration components that convert solar energy into both electricity and heat. Pulsating heat pipe (PHP) is a fast-responding, flexible and ...
Fallahzadeh et al. [45] improved the performance of a solar still by using a close-loop pulsating heat pipe and a solar collector. To improve system efficiency, a copper tube with a filling ratio of 41 % operating fluid was employed. ... Energy and exergy analysis of a new solar still composed of parabolic trough collector with built-in solar ...
Inspired by the sunflower, we report a new structure of a solar collector that integrates a pulsating heat pipe (PHP) into a flat‐plate collector. The proposed flower‐type PHP solar collector is designed after a sunflower with petals that absorb sunlight and transfer nutrients to the stem after photosynthesis. The evaporator section adopts ...
The main idea of this investigation is to increase the thermal efficiency of a flat plate closed-loop pulsating heat pipe solar collector by introducing a novel closed-loop pulsating heat pipe (CLPHP) with a dual-diameter structure. The CLPHP with dual-diameter configuration is made of copper with two diameters; larger in the condensation …
As a new type of equipment for solar medium temperature utilization, the compound parabolic concentrator-pulsating heat pipe solar collector (CPC-PHPSC) …
The solar collectors with pulsating heat pipe. From above literature reviews, former researches have been well conducted on the thermal performance of PHPs. ... A new optimization method of wind turbine airfoil performance based on Bessel equation and GABP artificial neural network. Energy (187) (2019), Article 116106. View PDF View …
This paper proposed a new V-shaped CPC model will optimize the optical performance of CPC, and designed a solar collector with new V-shaped inner CPC and heat pipe (Fig. 2), researched on the model of the solar collector with CPC, considered the various factors affecting the optical efficiency, formed a reasonable model for optical …
Process industry consumed 15 % to 30 % of the global energy, and 40 % of it is thermal energy demand in the range of 80 °C-250 °C. To produce mid-temperature heat, a new solar collector was designed with heat pipe evacuated tube, including several parallel micro-parabolic troughs, heat pipes, double-layer vacuum tubes contained in a …
Flat plate pulsating heat pipe solar collector (using single-diameter CLPHP) Iran: Water: 64%: Rittidech et al. [15] Circular tube solar collector with CLPHP with check valve: Thailand: ... Performance of a new type of solar air collector with transparent-vacuum glass tube based on micro-heat pipe arrays. Energy, 177 (15 June 2019), ...
1 Experimental Investigation of a Solar Collector Integrated with a Pulsating Heat Pipe and a 1 Compound Parabolic Concentrator 2 3 Rong Ji Xu, Xiao Hui Zhang, Rui Xiang Wang, Shu Hui Xu, Hua Sheng Wang 4 1 Beijing Engineering Research Center of Sustainable Energy and Buildings, 5 Beijing University of Civil Engineering and Architecture, Beijing, …
Inspired by the sunflower, we report a new structure of a solar collector that integrates a pulsating heat pipe (PHP) into a flat‐plate collector. The proposed flower‐type PHP solar collector is designed after a sunflower …
Hybrid photovoltaic–thermal collectors (PVT) are cogeneration components that convert solar energy into both electricity and heat. Pulsating heat pipe (PHP) is a fast-responding, flexible and high-performance thermal-conducting device. The aim of this work is design and performance of a novel hybrid photovoltaic–thermal …
The compound parabolic collector (CPC) with pulsating heat pipe (PHP) is developed for enhance the heat transfer rate, thermal efficiency and heat losses, and so forth. and working fluid plays a major role in this process. The thermal resistance, temperature, and thermal efficiency have been experimented with under different conditions, and heating periods …
Open Access Article. Experimental Study of Pulsating Heat Pipes Filled with Nanofluids under the Irradiation of Solar Simulator. by. Shubo Liu. 1,2, Yi Yang. 2, Kuiyuan Ma. 1,*, Haichuan Jin. 1,* and. Xin Jin. 1. School of …
Solar energy could be effectively exploited and transferred by the solar collectors, where thermal transport efficiency was inhibited by actual operations and applications. In present research, solar collector combined with pulsating heat pipes (PHP) was proposed to enhance solar energy conversion and management. Fluid …
Inspired by the sunflower, we report a new structure of a solar collector that integrates a pulsating heat pipe (PHP) into a flat‐plate collector. The proposed …
Solar energy offers a sustainable solution to address the increasing energy demand and environmental concerns in both industrial and domestic applications. To enhance the efficiency of solar collectors, researchers have integrated heat pipes, which are passive devices for effectively transferring heat to a working fluid. This integration has …
Abstract: As a new type of equipment for solar medium temperature utilization, the compound parabolic concentrator-pulsating heat pipe solar collector (CPC-PHPSC) uses pulsating heat pipe (PHP) as an endotherm, which can realize efficient energy conversion. The design of proper concentration ratio of compound parabolic
To improve the thermal performance of solar air collectors by reducing heat leakage and fully transporting the heat absorbed in the evaporation section, this paper proposes a structural innovation based on previous research, that is, L-shaped dual micro heat pipe arrays integrated with a flat-plate solar air collector with a double glazing cover.
PHPs can be utilized in solar collectors instead of conventional heat pipes and work efficiently and cost effectively [75], [76], [77]. In [78] the effects of the rate of cooling water flow and the filling ratio of a PHP on the performance of solar collector integrated with a PHP were investigated. The filling ratio of the PHP changed from 30% ...
Solar energy could be effectively exploited and transferred by the solar collectors, where thermal transport efficiency was inhibited by actual operations and applications. In present research, solar collector combined with pulsating heat pipes (PHP) was proposed to enhance solar energy conversion and management. Fluid temperature oscillation, flow …
Fig. 4 was the down-cooled pulsating heat pipe solar collector. The water tank was at the bottom and 12 groups of pulsating heat pipes were placed in the vacuum glass tubes. In this way, the efficiency of the solar energy ... Fig.5 The new composite pulsating heat pipe solar water heater Jianhong Liu [14] designed the pulsating heat pipe solar ...
Integrating heat pipe solar collectors reduces collectors'' size and lowers economic parameters. Using nanofluids in the heat pipe solar thermal collectors …
New articles by this author. ... the effect of using water and ethanol as working fluid on the performance of pyramid-shaped solar still integrated with heat pipe solar collector. ... A novel dual-diameter closed-loop pulsating heat pipe for a flat plate solar collector. L Aref, R Fallahzadeh, SR Shabanian, M Hosseinzadeh. Energy 230, 120751 ...
DOI: 10.1016/j.solener.2024.112371 Corpus ID: 267446684; Improving solar still performance with heat pipe/pulsating heat pipe evacuated tube solar collectors and PCM: An experimental and environmental analysis
Chopra et al. (2020) studied the performance improvement of heat pipe evacuated tube solar collectors with SA-67 phase change material and without phase change material in the heat pipe. Using PCM in heat pipe increases the effectiveness of solar collectors up to 87%, whereas heat pipe without PCM yields an efficiency of 55%.
Связаться с нами