Integrated a fully developing three-dimensional heat transfer and flow model, a multi-objective optimization aims to fulfill the geometric design for double-tube heat exchangers with inner corrugated tube is investigated in this work with RSM.Dimensionless corrugation pitch (p/D), dimensionless corrugation height (H/D), dimensionless …
Learn MoreAn FPSC with the area of 0.5824 m 2 was constructed to determine the impact of using corrugated heat collecting tubes, as shown in (Fig. 1 a). The experimental tests were carried out in Semnan (35 o 14′3.00′′ N latitude and 53 o 55′8.99′′ E longitude), Iran in the months of Jun and July 2020. Black carbon is selected as a coating for a …
Learn MoreGenerally, it is seen that corrugated pipe provides higher heat performance when compared with the straight pipe, indicated through higher Nu number. At a high range of Re, corrugated pipe with ARAAP of 240 o has higher thermal performance than its normal pipe counterpart (smooth). This is due to an important rise in pressure drop …
Learn MoreThe convection heat transport performance marked by the Nusselt number of the spirally corrugated pipe could reach 2.77 times that of the plain pipe, while the flow resistance coefficients of ...
Learn MoreFurthermore, the effect of corrugated tubes was investigated on the thermal performance factor of parabolic trough collectors in which the absorber tubes were under non-uniform heat flux. FPSCs are heat exchangers that convert solar energy into heat energy. The solar radiation can vary from 800 W / m 2 to 1100 W / m 2 during the test …
Learn MoreCorrugated stainless steel pipe 1.4404 - AISI316L Insulation thickness 14 mm (2in2) Available from stock two-core silicone sensor cable high-temperature resistant EPDM up to+150°C continous load(+175°C …
Learn MoreAbstract. Direct numerical simulations (DNS) have been performed using open source computational fluid dynamics (CFD) package openfoam to investigate the unsteady flow and heat transfer characteristics of primary and secondary corrugated wavy channels for fixed values of wavelength and amplitude by varying Reynolds number …
Learn MoreThe performance of evacuated tube heat pipe solar collectors can be improved by modifying the design parameters [17]or by using high conductivity heat transfer fluid in heat pipes [18]. The working principle of the heat pipe is based on the thermal conductivity and phase change principle of heat pipe working fluid to transfer heat …
Learn MoreCorrugated stainless steel pipe 1.4404 - AISI316L Insulation thickness 14 mm (2in2) Available from stock two-core silicone sensor cable high-temperature resistant EPDM up to+150°C continous load(+175°C intermittent) Heat conductivity λ (0°C) = 0,038 W/mK λ (40°C) = 0,042 W/mK Fire classification Class E (according to BS EN 13501-1)
Learn MoreIn this research analysis, the flow structure, pressure drop, thermo-hydraulic performance, and improvement of heat transfer of a three dimensions pipe with varying corrugated geometrical ...
Learn MoreDynamic modelling proved the use of movable glass cover over the v-corrugated solar collector to reduce the heat loss by 62.8% in winter, in addition to minimizing temperature fluctuations and ...
Learn MorePresent research article examines the experimental analysis of conventional triple basin solar still (CTBSS) with evacuated heat pipes (EVHPP), corrugated sheets …
Learn MoreCurrent research is investigating the effect of different tube geometries on flow patterns and thermal performance. Perform numerical simulations and thermo-fluid couplings. Calculation results are calculated and the solution uses both flow transport and thermal correction. Results are compared and validated using experimental results. …
Learn MoreThe Archimedean spiral coil made of a transversely corrugated pipe represents the radiant heat absorber of a parabolic dish solar concentrator. The main advantage of the …
Learn MoreBesides, the structure of the new heat exchange tube is also effective in changing the internal flow field and enhancing heat exchange. In a double pipe heat exchanger composed of two co-twisting oval pipes, as the pitch ratio increases, heat transfer first increases and then decreases, and the corresponding increase in flow …
Learn MoreMany contemporary studies often overlook the reality of non-uniform heat generation in various modern heating devices by presuming uniform heat distribution, emphasizing the need for advancements in heat transfer methods. For this purpose, convective heat transfer through a two-dimensional corrugated tube was …
Learn MoreSo, ETSCs have assimilated much more energy from solar source and also reduce the heat loss to the ambient compared to flat plate collectors, simultaneously. ETSCs can be utilized for a wide range of thermal applications in both domestic and industrial. The ETSCs divide into three categories: thermosyphon, heat pipe, and U-Type tubes.
Learn MoreThe flow motion in the corrugated pipe cross section is the important source for the augmentation of heat performance based on the DBCR. The corrugated pipe common mixing and secondary flow are considerably modified due to more induced swirling flow. Download: Download high-res image (1MB) Download: Download full-size image; …
Learn MoreA solar trough parabolic collector (STPC), like the one in Fig. 1 [Amargosa Valley Solar Millennium Scoping Meeting August 2009], is the most often used type of solar thermal reflector. It is a solar technology that converts solar energy into heat energy utilizing a linear focusing mechanism. Download : Download high-res image (175KB)
Learn MoreAn investigation is conducted to determine the effects of mixing secondary, swirl and spiral flows on improved heat transfer and pressure drop in internal corrugated tubes with different Reynolds ...
Learn MoreUsing the heat pipes as heat transfer and heat exchange design elements allows creating new effective equipment generation for solar energy systems. Heat pipes are widely
Learn MoreDOI: 10.1016/J.ENERGY.2010.11.042 Corpus ID: 103397474; Investigation of thermal performance of-double pass-flat and v-corrugated plate solar air heaters @article{Elsebaii2011InvestigationOT, title={Investigation of thermal performance of-double pass-flat and v-corrugated plate solar air heaters}, author={A. A. El-sebaii and Saad …
Learn MoreTo design effective heat exchangers, researchers have focused on numerical analysis of the 3D corrugated circular pipe considering parameters such as thermohydraulic flow, enhancement of heat ...
Learn MoreAt the same time, with corrugated pipes the heat transfer external to the pipe to the PCM is also enhanced resulting in a double improvement of the effective thermal conductivity [8]. Maradiya et al. [12], comprehensively reviewed the geometric aspects and performance of corrugated pipes in relation to a wide variety of industrial applications.
Learn MoreCorrugated pipes have become the backbone of modern drainage systems, offering versatility and durability in various applications. However, achieving a seamless and effective corrugated pipe connection is crucial for optimal system performance. In this guide, we will delve into the diverse options available, explore the …
Learn MoreHeat pipe based solar collectors (HP–SCs) have emerged as a promising way to improve the performance of solar thermal collectors (STCs) and PV/T collectors, a …
Learn MoreThe current study is intended to extract thermal energy by placing a corrugated spiral heat exchanger in the lower layer of the solar pond, and with geometric changes in the spiral heat exchanger, the way of changing energy intake and entropy generation is investigated and evaluated.
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