HOME / Trough solar collector efficiency

Trough solar collector efficiency

Analysis of parabolic trough solar collector thermal

Applying parabolic trough solar collectors (PTSCs) is one of the state-of-the-art ways to extract energy from the sun. As one of the most interesting research topics, the thermal efficiency enhancement of PTSCs is

Parabolic trough solar collector: A review on geometrical

The parabolic trough solar collector (PTSC) is more popular among researchers due to its versatile range of temperature applications, reduced cost, and commercially established status, and therefore is the topic of interest for this study. In 1870, John Ericsson (a Swedish engineer) gained the first practical experience of designing and constructing parabolic trough

Analysis of parabolic trough solar collector thermal efficiency

Parabolic trough solar collectors: A sustainable and efficient

Beyond these specific applications, parabolic trough solar collectors also offer a range of general advantages. Their higher efficiency, stemming from concentrated solar radiation and minimized heat losses due to smaller absorber surface areas, enhances their overall performance compared to non-concentrating solar technologies. Operating solely

Performance Simulation and Optimization of Cylindrical Mirror

After exceeding 0.9 rad, the solar trough collector efficiency with an f/w of approximately 0.78 is the highest. The net efficiency of the trough increases with r/f. When the r/f value is higher than a certain level, the benefits brought by the increase in concentration ratio are no longer advantageous over higher heat losses, and the net efficiency of the solar trough

Machine learning predictions for enhancing solar parabolic trough

This work introduces an innovative methodology to enhance the efficiency of solar Parabolic Trough Collectors by integrating corrugated tube receivers accompanied by conical strip inserts. Conventional optimization techniques involving adjustments in size, material composition, and insert configurations often necessitate supplementary energy input. A

Thermal efficiency enhancement of parabolic trough collectors:

Parabolic trough collectors (PTCs) are the most technology systems used in large solar power plants for the production of electricity. So, the PTC device is straight in one direction and has a curved form in the other two directions, covered with such high reflection of mirrors [84, 85, 86].

Performance Simulation and Optimization of Cylindrical Mirror

After exceeding 0.9 rad, the solar trough collector efficiency with an f/w of approximately 0.78 is the highest. The net efficiency of the trough increases with r/f. When the

Thermal efficiency enhancement of parabolic trough

Evaluation of Small Torsion Angles and Efficiency in Parabolic

5 天之前· Maintaining a precise reflector-receiver alignment in parabolic trough collector solar plants is essential for optimizing solar energy collection and efficiency. Tracking deviations

Parabolic trough solar collectors: A sustainable and efficient

A Review of Parabolic Trough Collector (PTC):

Parabolic trough solar collectors embody a parabolic . reflector. T his parabolic sheet can be made through . the way of the method of bending a sheet to a . parabolic shape. The sheet needs to be

Multiobjective design optimization of parabolic trough collectors

Despite the large amount of research conducted on PTC performance analysis, few and rare numbers of research have considered the design optimization of PTCs. In the present work, a novel

Efficiency enhancement of a solar trough collector by combining solar

In this work, to enhance the optical-thermal efficiency of the solar trough collector, a modified receiver combining solar and hot mirrors (MR1) was designed. The collector performance was evaluated by developing an optical-thermal model. The following conclusions are obtained. (1)

Modeling and performance analysis of solar parabolic trough collectors

Among the Concentrated Solar Collector (CSC) technologies, Parabolic Trough Collector (PTC) is the most mature and commercialized CSC technology today. Currently, solar PTC technology is mainly used for electricity generation despite its huge potential for heating, especially in industrial process heat (IPH) applications. Though the technology is well

Generation of a Parabolic Trough Collector Efficiency Curve from

The overall efficiency of a parabolic trough collector is a function of both the fraction of direct normal radiation absorbed by the receiver (the optical efficiency) and the heat lost to the environment when the receiver is at operating temperature.

(PDF) Parabolic trough solar collectors: A sustainable

Parabolic trough solar collectors are a type of solar thermal collector that can be used to generate electricity. This paper discusses the potential advantages and challenges of using...

Experimental Investigation of Parabolic Trough Solar Collector

According to the test results, the average thermal efficiency between collectors did not exceed 0.3%. Afterwards, the PTSC was compared with an evacuated U-shaped glass tube at different mass flow rates, namely 30, 60, 90, and 120 L/h.

Enhancing the efficiency of solar parabolic trough collector

Solar parabolic trough collector (PTC) technology is clean and economical. However, PTC technology suffers from relatively low optical and thermal efficiencies at high operating temperatures and concentration ratios (CRs). In this work, a novel strategy for cascadingly using solar collectors with multiple concentration ratios in one

Efficiency enhancement of a solar trough collector by combining solar

A sketch of a typical parabolic trough collector is shown in Fig. 1.When the trough collector works under solar irradiation, a conventional receiver (CR) is usually employed to receive the concentrated irradiation from a parabolic reflector, as illustrated in Fig. 1 (a). The CR includes a tubular absorber containing a fluid as the heat carrier, a glass envelope, and a

Evaluation of Small Torsion Angles and Efficiency in Parabolic Trough

5 天之前· Maintaining a precise reflector-receiver alignment in parabolic trough collector solar plants is essential for optimizing solar energy collection and efficiency. Tracking deviations affect the transverse incidence angle, which affects efficiency. This work introduces a measurement system that uses high-precision tilt sensors to evaluate torsion

Parabolic trough

Parabolic trough at a plant near Harper Lake, California. A parabolic trough collector (PTC) is a type of solar thermal collector that is straight in one dimension and curved as a parabola in the other two, lined with a polished metal mirror.The sunlight which enters the mirror parallel to its plane of symmetry is focused along the focal line, where objects are positioned that are

Parabolic Trough Solar Collector

Compared with the conventional European parabolic trough collector, its annual average optical efficiency is increased by 5 % to 8 %, and the cost is reduced by 15 % to 25 % ("Large-aperature parabolic trough solar collectors developed by NWEPDI will be applied in Dunhuang city - China National Solar Thermal Alliance," n.d.). This new Large-aperture PTC

Enhancing the efficiency of solar parabolic trough collector

Solar parabolic trough collector (PTC) technology is clean and economical. However, PTC technology suffers from relatively low optical and thermal efficiencies at high

Experimental Investigation of Parabolic Trough Solar Collector

According to the test results, the average thermal efficiency between collectors did not exceed 0.3%. Afterwards, the PTSC was compared with an evacuated U-shaped glass

Efficiency enhancement of a solar trough collector by combining

In this work, to enhance the optical-thermal efficiency of the solar trough collector, a modified receiver combining solar and hot mirrors (MR1) was designed. The

Parabolic trough solar collector: A review on geometrical

Because of its wide temperature range (up to 400 °C), the parabolic trough solar collector is the most commonly used in concentrated solar power technology. A parabolic trough solar collector can be divided into two types based on its applications: low to medium temperature and medium to high temperature. The first category is widely utilized

Generation of a Parabolic Trough Collector Efficiency Curve from

The overall efficiency of a parabolic trough collector is a function of both the fraction of direct normal radiation absorbed by the receiver (the optical efficiency) and the heat lost to the

(PDF) Parabolic trough solar collectors: A sustainable and efficient

Parabolic trough solar collectors are a type of solar thermal collector that can be used to generate electricity. This paper discusses the potential advantages and challenges of using...

Trough solar collector efficiency [PDF]

6 FAQs about [Trough solar collector efficiency]

What are parabolic trough solar collectors?

Parabolic trough solar collectors are a type of solar thermal collector that can be used to generate electricity. This paper discusses the potential advantages and challenges of using parabolic trough solar collectors. One of the main advantages of parabolic trough solar collectors is their scalability.

Can a trough collector improve optical-thermal efficiency?

Sketch of a typical trough collector with a conventional receiver (CR). It is widely known that improving the optical-thermal efficiency of the collector ( ηo-t)can significantly improve the system performance. Therefore, many studies have focused on enhancing the optical-thermal efficiency through modifying the receiver.

Which concentrating solar trough is the cheapest?

Among the concentrating solar collectors, the parabolic trough is the most developed, cheapest, and widely used for large-scale applications in harnessing solar energy. However, it is not yet cheaper than conventional fossil fuels, and improvements and developments in the PTC are a must . 2.2. Parabolic dish Sterling engine

Can a parabolic trough solar collector produce thermal energy in Iran?

Marefati M, Mehrpooya M, Shafii MB. Optical and thermal analysis of a parabolic trough solar collector for production of thermal energy in different climates in Iran with comparison between the conventional nanofluids. J Clean Prod. 2018;175:294–313.

What are the advantages of a PTC trough system?

PTCs offer several advantages, including high efficiency, low maintenance requirements, and the ability to generate high-temperature heat. The trough system uses linear parabolic concentrators to transmit solar energy down the collector's focal line to a receiver.

What is the optical efficiency of a solar collector?

The optical efficiency of the collector (ηo) equals to the ratio of the irradiance absorbed by the solar selective coating ( Pc) and the irradiance incident on the aperture of the collector (Pin ), as shown in Eq. (17). The optical loss per unit length of the collector ( Lo) is defined using Eq. (18).