Performance studies of a solar parabolic trough collector with a thermal energy storage system

Kumaresan, G.; Sridhar, Rahulram; Velraj, R.

doi:10.1016/j.energy.2012.09.036

Cited by 136 publications

(45 citation statements)

References 19 publications

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“…Hourly solar energy collected is the solar energy gain during a one-hour time interval, as given by Kumaresan et al [13] and it is calculated using Equation (5), as follows…”

Section: Data Reductionmentioning

confidence: 99%

“…Gang et al [12] performed the experimental investigation on exergy efficiency and overall thermal efficiency of the compound parabolic collector. Kumaresan et al [13] studied the overall heat loss coefficient of the storage tank, charging efficiency and overall performance of the parabolic trough collector, experimentally. Their results showed that the charging efficiency is maximal at the beginning of the experiment and overall thermal efficiency increases with hourly solar energy stored.…”

Section: Introductionmentioning

confidence: 99%

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Performance Study of a Cylindrical Parabolic Concentrating Solar Water Heater with Nail Type Twisted Tape Inserts in the Copper Absorber Tube

2018

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This paper reports the overall thermal performance of a cylindrical parabolic concentrating solar water heater (CPCSWH) with inserting nail type twisted tape (NTT) in the copper absorber tube for the nail twist pitch ratios, 4.787, 6.914 and 9.042, respectively. The experiments are conducted for a constant volumetric water flow rate and during the time period 9:00 a.m. to 15:00 p.m. The useful heat gain, hourly solar energy collected and hourly solar energy stored in this solar water heater were found to be higher for the nail twist pitch ratio 4.787. The above said parameters were found to be at a peak at noon and observed to follow the path of variation of solar intensity. At the start of the experiment, the value of charging efficiency was observed to be maximal, whereas the maximum values of instantaneous efficiency and overall thermal efficiency were observed at noon. The key finding is that the nail twist pitch ratio enhances the overall thermal performance of the CPCSWH.

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“…Hourly solar energy collected is the solar energy gain during a one-hour time interval, as given by Kumaresan et al [13] and it is calculated using Equation (5), as follows…”

Section: Data Reductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Performance Study of a Cylindrical Parabolic Concentrating Solar Water Heater with Nail Type Twisted Tape Inserts in the Copper Absorber Tube

2018

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“…As per the literature survey, the main parameters for the geometrical description of a PTC are trough length, focal length, aperture width and rim angle [1,4]. At the time of designing a trough collector, apart from these main parameters, average wind speed in the region, application, HTF, the diameter of collector pipe, number of loops, storage device, and reflective material are also being kept in mind as they also contribute the final conversion efficiency of a system.…”

Section: Detailed Design Of a Novel Ptcmentioning

confidence: 99%

“…Solar thermal is the fast-growing technology now a day due to research being done to explore its applicability in different fields [1,2,3,20,24] and to enhance its thermal efficiency [4,21,22,25,28,30,32,38]. CSP technology is the most effective part of solar thermal with various applications and different devices [2,24].…”

Section: Introductionmentioning

confidence: 99%

“…Many researchers are working on PTC and reported different designs [1,3,5,15,18,27]; some of them are working on various applications of PTC [6,8,11,16,19,23,26,33,35,37]. The main area of research focuses on improvement in efficiency [7,12,16,18,21], the effect of the receiver and reflective material [13,14,27,32,35,37,38], heat transfer fluids and storage [4,12,25,29]. However, the Parabolic trough collector can be a very useful tool to harvest the solar energy for domestic applications, work done in this field is very less.…”

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Parabolic Trough Collector, a Novel Design for Domestic Water Heating Application

Upadhyay¹

2017

IJRASET

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CSP technology is grooving up with various applications and different devices due to high thermal efficiency. Parabolic trough collector attracts researchers' due to its versatility. Many researchers were working on designing trough to improve the efficiency of the collector. As per the literature serve carried out most of them are working on high-temperature applications. Our aim is to design a novel parabolic trough collector which is useful in low-temperature applications like domestic water heating. This paper discusses detailed drawing and dimensions of PTC which is useful to researchers. The main advantage of this design is easy assembly and maintenance. Keywords: parabolic trough collector (PTC), heat transfer fluid (HTF), receiver, collector, solar thermal I. INTRODUCTION Solar thermal is the fast-growing technology now a day due to research being done to explore its applicability in different fields [1,2,3,20,24] and to enhance its thermal efficiency [4,21,22,25,28,30,32,38]. CSP technology is the most effective part of solar thermal with various applications and different devices [2,24]. Parabolic trough collector (PTC) attracts researchers' due to its versatility in applications resulting in a large number of reports on designing trough to improve the collector efficiency for hightemperature applications and testing [9,10,15,17,30,31,34,36]. PTC is line type concentrator which is designed based on the parabola. Normally it is available with a tracking system to improve the efficiency and effectiveness. Maximum temperature achieved by PTC is reported to be 520 °C by using molten salt as a Heat Transfer Fluid (HTF) [12]. Many researchers are working on PTC and reported different designs [1,3,5,15,18,27]; some of them are working on various applications of PTC [6,8,11,16,19,23,26,33,35,37]. The main area of research focuses on improvement in efficiency [7,12,16,18,21], the effect of the receiver and reflective material [13,14,27,32,35,37,38], heat transfer fluids and storage [4,12,25,29]. However, the Parabolic trough collector can be a very useful tool to harvest the solar energy for domestic applications, work done in this field is very less. In this paper, we present a novel design of a parabolic trough collector useful for the domestic heating applications.

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Review on Performance Analysis of the Power Block in Concentrated Solar Power Plants

et al. 2020

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Performance studies of a solar parabolic trough collector with a thermal energy storage system

Cited by 136 publications

References 19 publications

Performance Study of a Cylindrical Parabolic Concentrating Solar Water Heater with Nail Type Twisted Tape Inserts in the Copper Absorber Tube

Performance Study of a Cylindrical Parabolic Concentrating Solar Water Heater with Nail Type Twisted Tape Inserts in the Copper Absorber Tube

Parabolic Trough Collector, a Novel Design for Domestic Water Heating Application

Review on Performance Analysis of the Power Block in Concentrated Solar Power Plants

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