Numerical analysis of heat transfer performance of flat. Professor, department of aeronautical engineering, visvesvaraya technological university, india. Citeseerx document details isaac councill, lee giles, pradeep teregowda. I will be so thankful if anyone could answer my questions. Solar flat plate type air collector sfptac is widely used for many solar applications. The influence of tube shape in conventional collectors was investigated using cfd. The detailed analysis of a solar collector is a complex task, due to the high number of parameters affecting its performance. Numerical study of the threedimensional flow in a flat plate. A performance comparision of nanofluids using solar flat. Journal of fluid flow, heat and mass transfer jffhmt. Numerical investigations of heat transfer performance of. The simulation results show that by increasing these a water temperature up to 33.
There are two outlets to the solar collector the ultimate aim of development in the cfd field is to with circular cross section having diameter 60 mm. Solar flat plate collectors are commonly used for domestic and industrial purposes and have the largest commercial application amongst the various solar collectors. Computational fluid dynamic simulation and experimental. Cfd analysis of solar air heater having customized absorber plate. Dynamic thermal models and cfd analysis for flatplate. Numerical analysis of solar flat plate collector for circular pipe configuration by using cfd. Citeseerx cfd analysis of solar flat plate collector. In this study collector with triangular tubes with fins were investigated another cfd analysis was done on triangular absorber tube of solar flat plate collector by bavanna s et al7. Cfd analysis of a flat plate solar collector for improvement. Cfd analysis of triangular absorber tube of a solar flat plate collector basavanna s1 and k s shashishekar1 corresponding author. Analysis was based on rayleigh number, inclination angle, aspect ratio and wavelength. Feb 09, 2015 flat plate solar collector flat plate collectors, developed by hottel and whillier in the 1950s, are the most common type of solar collector which are widely used for domestic household hotwater heating and space heating, where the demand temperature is low. Due to the introduction of selective coatings, the stagnant fluid temperature in flat plate collectors has been shown to reach 200 o c.
Performance analysis of flat plate collector with modified risers was investigated by mohammed saad abbas et al2. Solar flat plate collector performance was analyzed by p. The required area of flat plate solar collector to achieve the results is around 6. Cfd analysis of solar flat plate collector with semi circular baffles 108 the above contour plot gives us a glimpse of the temperature distribution post analysis on ansys fluent. Laminar flow and thermal field simulation was done with the help of cfdrc commercial software. Then the results obtained by this simulation compared. Design considerations for flat plate solar water heater system. Solar flat plate collector is a very simple device and is an efficient way to absorb energy from sun rays and use it. You can thrift 80 percent of the time and financial cost of your projects, with a little bit of the payment. Characteristic values of flat plate and evacuated tube collectors qcoll is the energy collected per unit collector area per unit time fr is the collector s heat removal factor.
Experimental model a simple model for the solar collector. Some assumption was present in this video tutorial. There has been a remarkable achievement in solar drying of grapes. Flat plate and evacuatedtube solar collectors are mainly used to collect heat for space heating, domestic hot water, or cooling with an absorption chiller. A cfd analysis was carried out for the two cases, subjected to a constant heat flux of 600wm2 and wm2. Cfd analysis of forced convection through flat plate solar.
Flat plate solar collector flat plate collectors, developed by hottel and whillier in the 1950s, are the most common type of solar collector which are widely used for domestic household hotwater heating and space heating, where the demand temperature is low. Analysis of solar flatplate collectors part 1 tomas matuska faculty of mechanical engineering university centre of energy efficient buildings czech technical university in prague solar thermal collectors, 24. A cfd analysis was carried out for the two cases,subjected to a constant heat flux of 600wm2 and wm2. Yasin and hakan did a comparative analysis of natural convection in flat plate and wavy solar collectors. Pdf analysis of heat transfer performance of flat plate. These approaches use larger macroscopic initial structures, which can be externally controlled in the processing of nanostructures. Thermal analysis of solar flat plate collector using cfd. Analytical models for the computation and optimization of single and double glazing flat plate solar collectors with normal and small air gap. The performance of a flat plate solar collector is influenced by the thermal losses from the absorber to the ambient via the glass covers 1718. Analysis of heat transfer performance of flat plate solar.
Validation of cfd simulation for flat plate solar energy collector. Validation of cfd simulation for flat plate solar energy. This cfd analysis of flat plate solar collector gives feasible results, which could be used in any process where hot water is necessary and fuel is. Drying of agricultural food products is attractive and cost effective application of solar power as it becomes a potentially viable substitute for fuelwood in major development of the world. Unstructured grid using icem is adopted for better analysis. Solar drying of grapes is much feasible technically and economically. Using radiation model for simulation of flat plate solar. The problem of flat plate solar energy collector with water flow is simulated and analyzed using computational fluid dynamics cfd software. This is mainly due to simple design as well as low maintenance cost. Experimental and computational fluid dynamics analysis of a new flat plate solar collector ashish n. The thermal insulation prevents heat loss during fluid transfer. A numerical analysis of flat plate collector for circular pipe configuration by using cfd has been done by ranjitha p et of flow and temperature was performed. Design, cfd analysis and fabrication of solar flat plate collector prof. Pdf cfd analysis of solar flat plate collector teacher.
International journal of applied engineering research, 12 14. Numerical study of the threedimensional flow in a flat. Flat plate collectors flat plate collectors are the most common solar collector for solar waterheating systems in homes and solar space heating. Simulation of heat transfer flow in a conical solar collector containing water with our companion, reduce the time of your cfd project simulation. Experimental testing of a serpentine flat plate solar water. Cfd analysis of vertical fin type solar air heater youtube. In contrast to solar hot water panels, they use a circulating fluid to displace heat to a separated reservoir. Aug 02, 2017 in this video tutorial teaching demonstration on solar air heater having different type of absorber plate was given using cfd software. Numerical simulation of a solar flat plate collector using. Cfd analysis of riser tube with semicircular baffles boundary conditions applied in this analysis, a mass flow rate of 0. High performance flat plate solar thermal collector evaluation.
Flat plate collectors are the most common solar collector for solar waterheating systems in homes and solar space heating. Absorber plates, collector, cfd analysis, drying temperature, etc. The considered case includes the cfd modeling of solar irradiation and the modes of mixed convection and radiation heat transfer between tube surface, glass cover, side walls, and insulating base of the collector as well as the mixed convective heat. Thermal analysis of solar flat plate collector using cfd 1mohammed abdul junaid, 2mohammed nazimuddin, 3mohd arifuddin, 4mohammed faisal asst. Experimental and computational fluid dynamics analysis of a. The flat plate systems normally operate and reach the maximum efficiency within the temperature range from 30 to 80 o c kalogirou, 2009, however, some new types of collectors that employ vacuum insulation can achieve higher temperatures up to 100 o c. Flat plate solar collectors are the most common thermal collectors used among the various solar collectors for domestic and industrial purposes. Pdf dynamic thermal models and cfd analysis for flatplate. Navaneethakrishnan5 1,2,3pg scholar 4assistant professor 5professor 1,2,3,4,5department of mechanical engineering. The aim of the study is to improve thermal performance of passive serpentine flat plate solar collectors using striped technique. Student, department of mechanical engineering, gfs godavari college of engineering, jalgaon, maharashtra, india. Background solar thermal water heating or solar hot water shw has a long history of use throughout the world, but has had varying penetration in the u.
Schematic of a flat plate solar collector with liquid transport medium. Jffhmt numerical analysis of heat transfer performance of. It can beinferred from the study that the absorber plate temperature shows a rise of average surface temperature of about 50c for the dimple solar. A solar collector is a device designed to absorb incident solar radiation and to. There has been a remarkable achievement in solar drying of grapes due to sustained research and development associated with the.
They consist of 1 a dark flat plate absorber, 2 a transparent cover that reduces heat losses, 3 a heat transport fluid air, antifreeze or water to remove heat from the absorber, and 4 a heat insulating backing. The importance of flat plate collectors is that their thermal performance can be predicted and treated in considerable detail. In the last 40 years, several dynamic procedures have been developed and tested using numerical approaches, to obtain the behavior of the thermal solar collector without performing the set of complicated and expensive experimental tests usually adopted in steadystate. Pdf cfd analysis of circular pipe flat plate solar collector. Journal of mechatronics, electrical power, and vehicular.
Since computational fluid dynamics analysis of the flow and heat transfer in flat plate solar collectors is computationally quite difficult and cost, number of research works on this subject is quite low 2,14. Design and optimization of fins in solar flat plate collector. In the last 40 years, several dynamic procedures have been developed and tested using numerical approaches, to obtain. Flat plate solar collector water heater system photovoltaic. In this video vertical fin type solar air heater was numerically solved using ansys flunet software. Flat plate collector flat plate collectors, developed by hottel and whillier in the 1950s, are the most common type. Computational fluid dynamics simulation and experimental. A typical flat plate collector is an insulated metal box with a glass or plastic cover called the glazing and a darkcolored absorber plate. Characteristic values of flatplate and evacuated tube collectors qcoll is the energy collected per unit collector area per unit time fr is the collectors heat removal factor. A solar collector is a device designed to absorb incident solar radiation and to transfer the energy to a. Nomenclature a a absorber area m 2 a c total collector aperture area m 2 a f collector geometric factor a r receiver area m 2 b bond width m b 0 incidence angle modi. Cfd investigation of heat transfer enhancement in flat. Box 27, doha, state of qatar, qatar received 30 december 2006.
Design, cfd analysis and fabrication of solar flat plate. The schematic diagram of the solar flat collector along with the tank under consideration is shown in fig. Cfd investigation of heat transfer enhancement in flat plate solar collector using various cross sectional inserts a. A comparative cfd study on solar dimple plate collector with. Numerical analysis of a three dimensional fluid flow in a. For investigation of thermal performance of a solar collector, the equations of fluid flow. The first solar thermal collector designed for building roofs was patented by william h. Abstract this thesis attempts to present numerical simulation of solar collector developed exclusively for grape drying. Numerical analysis of solar flat plate collector for circular. An attempt is being made in this paper to analyze the solar collector using the. Cfd investigation of heat transfer enhancement in flat plate.
My model includes glass cover, absorber plate copper, air gap between absorber plate. The simplest flat plate collectors are the solar ponds and the solar stills which operate by direct utilization of the incident solar radiation acting simultaneously as solar energy converters. The study showed that the outlet temperature of each riser was mostly the same for a uniform. A comparative cfd study on solar dimple plate collector.
Numerical simulation enables the optimization of a solar collector without the expense of building prototypes. The main objective of this paper is to present design of solar flat plate collector with internal fins i. Analysis of flow and heat transfer in a flat solar. My research is about simulating flat plate solar collector with ansys fluent but i have some problems using radiation model. However, there was no adequate simulation work has been done so far for a serpentine collector. They observed that flow and thermal fields were affected by the shape of enclosure and heat transfer rate increased in the case of wavy enclosure than that of flat enclosure.
In the present thesis the computational fluid dynamics cfd tool has been used to simulate the solar collector for better understanding the heat transfer capability. For investigation of thermal performance of a solar collector, the equations of fluid flow, heat transfer, and radiation should be considered. Determining the effect of inlet flow conditions on the. The objective of this study is to perform computational fluid dynamics cfd simulation of flat plate collector with air flow. Flat plate collector is basically a black surface that is placed at a convenient path. This thesis attempts to present numerical simulation of solar collector developed exclusively for grape drying. Solar flat plate collector and flow is simulated in computational fluid dynamics cfd analysis bak nanotech. Ansys fluent tutorial localized heating analysis using ansys fluent ansys cfd ansys workbench duration.
The solar radiation is absorbed by the black plate and transfers heat to the fluid in the tubes. We refer the reader to the paper by morrision et al. Satya prakash nayak, priti shukla, satyashree ghodke, cfd analysis of solar flat plate collector heat transfer and fluid flow analysis of roughness rib in solar air heater duct by computational fluid dynamics cfd simulation, international journal of advanced research in science, engineering and technology,vol. My model includes glass cover, absorber plate copper, air gap between absorber plate and glass and tube water. Table 1 the specifications of solar collector using the solar power meter device for measuring solar irradiance anemometer. It can be inferred from the study that the absorber plate temperature shows a rise of average surface temperature of about 50c for the dimple solar collector when compared to a flat plate solar collector. Numerical analysis of heat transfer performance of flat plate.
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