Experimental and numerical study of thermal performance of helical coil receiver with Fresnel lens

Sharma, Sumit; Saha, Sandip K.; Kedare, Shireesh B.; Singh, Suneet

doi:10.1016/j.applthermaleng.2019.114608

Cited by 11 publications

(5 citation statements)

References 28 publications

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“…The temperature and rate of change of sensible and latent heat will increase with increasing solar radiation. Thus, cooking, heating, and steaming can all be done at this high temperature [42,43].…”

Section: Measurement Of Temperaturementioning

confidence: 99%

Potential of Steam Generating by The PMMA Fresnel Lens Concentrator for Indoor Solar Cooker Application

Asrori,

Udianto,

Faizal

et al. 2024

Period. Polytech. Mech. Eng.

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Solar power is an alternative energy source that can be used for cooking. It is a simple, secure, and useful way to cook food without using conventional fuels that pollute the air. Solar cookers offer various benefits to the user’s health, productivity, and income as well as to the environment. Solar energy is abundant in a tropical country like Indonesia, making it a dependable and sustainable of energy resource. The study’s goal is to analyze the potency of steam produced by a solar cooker that uses a Fresnel lens concentrator. The thermal performance of the Fresnel lens concentrator with a conical receiver on the solar cooker prototype is discussed in this research. In the construction of solar cookers, PMMA (Polymethyl-Methacrylate) Fresnel lenses, manual trackers, and conical receiver types are used. The research conducts an experimental analysis of the thermal performance of the prototype solar cooker using a Fresnel lens concentrator with a conical receiver. This empirical approach provides valuable data on the efficiency and effectiveness of the solar cooker design. The experiment result shows the cumulative average solar irradiation, the average collection of solar energy per time of Fresnel lens concentrator, and the heat utilized of steam from conical receiver are 709.09 W/m², 456.14 Watt, and 383.88 Watt, respectively. The results of this study suggest that Fresnel lens concentrators are a promising development for indoor solar cookers and therefore provide a pathway for increased utilization of solar cooking technology.

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Section: Measurement Of Temperaturementioning

confidence: 99%

Potential of Steam Generating by The PMMA Fresnel Lens Concentrator for Indoor Solar Cooker Application

Asrori,

Udianto,

Faizal

et al. 2024

Period. Polytech. Mech. Eng.

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“…Further, the optimal aspect ratio under no-wind condition is 1.8, which resulted in an overall efficiency of about 81%. Sharma et al 101 experimentally investigated the effect of the flow direction of HTF inside a helical cavity tube receiver under a Fresnel lens. Using air as the HTF, the system's thermal efficiency in the downward flow direction was 52%, whereas it was 38% in the upward flow direction.…”

Section: Cavity Receiversmentioning

confidence: 99%

Stationary point focus solar concentrators—A review

Reddy

Khan

2022

Intl J of Energy Research

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The innovation in concentrated solar power (CSP) systems is one of the many vital solutions to meet the ever-increasing global energy demands. Among various CSP systems, point focus solar concentrators can attain a higher concentration ratio and helps reduce the size of the receiver, resulting in higher operating temperatures, lower thermal losses, and higher system exergy. This article presents a review on a particular class of CSP systems known as stationary point focus solar concentrators, that is, point focus solar concentrators having a stationary receiver. They can be categorized as (a) Scheffler reflector, (b) Scheffler-type concentrator, (c) high temperature concentrator, (d) central tower receiver, and (e) CNRS solar furnace. Having a stationary receiver helps reduce the maintenance and simplifies the plumbing network for heat transfer fluid. However, low maintenance might be a tradeoff on the performance side. This review systematically collates the literature on stationary point focus solar concentrators. Also, the basics of solar angles and various solar tracking systems applicable to this class of CSP systems are covered. K E Y W O R D Scentral tower receiver, fixed focus solar concentrator, high-temperature concentrator, Scheffler reflector, Scheffler-type solar concentrator

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“…In the aspect of optical-thermal, [21][22][23][24][25] thermal-mechanical [20,26,27] conversion performance of DCCR system, Zhou et al [21] studied in detail the effects of aperture ratio, tilt angle, inlet temperature, and fluid velocity on the light-heat conversion characteristics of spherical receiver. Bellos et al [22] studied the photothermal performance of cavity receivers with different shapes, and optimized the geometric parameters of the receiver (cavity height, cone angle, and installation position) for different service temperatures.…”

Section: Introductionmentioning

confidence: 99%

“…Bellos et al [ 22 ] studied the photothermal performance of cavity receivers with different shapes, and optimized the geometric parameters of the receiver (cavity height, cone angle, and installation position) for different service temperatures. Sharma [ 23 ] et al studied the effects of the receiver's pipe diameter, the loop number of pipes, the length–diameter ratio, and installation position on its thermal performance. Zou et al [ 24 ] studied the influence of three key parameters (spiral coil diameter, the distance from the receiving window to the focal plane, and the diameter of the receiving window) on the thermal performance by using the surface partition method.…”

Section: Introductionmentioning

confidence: 99%

Optical–Thermal Conversion Performance of Solar Dish Concentrator–Cavity Receiver System Under Tracking Error

Liu,

Yan,

Xie

et al. 2024

Energy Tech

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Tracking error leads to nonuniform flux distribution, local high temperature, and thermal stress of cavity receiver. However, the effects of tracking error on the optical–thermal conversion of dish concentrator–cavity receiver (DCCR) system are unclear. In this article, the optical–thermal coupling model of the DCCR system considering the tracking error is established, and the variations of the thermal performance index (the thermal efficiency, cavity maximum temperature, and outlet temperature) of the DCCR system under different direct normal irradiance (DNI), mass flow rate, inlet temperature, and cavity material are studied in detail. In the results, it is shown that the working condition is constant, tracking error increases, the outlet temperature and thermal efficiency decrease slightly, and the cavity maximum temperature increases. When tracking error is constant, with the increase of DNI or inlet temperature, the outlet and cavity maximum temperature increase, and the thermal efficiency decreases. With the increase of mass flow rate, the outlet and cavity maximum temperature decrease, and thermal efficiency increases. The cavity material with high thermal conductivity is beneficial to reduce the cavity maximum temperature. In this work, guidance for realizing safe and efficient service support can be provided.

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Experimental and numerical study of thermal performance of helical coil receiver with Fresnel lens

Cited by 11 publications

References 28 publications

Potential of Steam Generating by The PMMA Fresnel Lens Concentrator for Indoor Solar Cooker Application

Potential of Steam Generating by The PMMA Fresnel Lens Concentrator for Indoor Solar Cooker Application

Stationary point focus solar concentrators—A review

Optical–Thermal Conversion Performance of Solar Dish Concentrator–Cavity Receiver System Under Tracking Error

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