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A design method of trough concentrating solar energy collector system

A technology for concentrating solar energy and system design, which is used in solar heating systems, solar collectors, solar collector controllers, etc.

Active Publication Date: 2018-05-18
XI AN JIAOTONG UNIV
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Problems solved by technology

[0004] The purpose of the present invention is to provide a design that can effectively complete the three-dimensional parameterized geometric model, optical calculation model and heat transfer calculation model of the trough-type concentrated solar heat collection system, and quickly and effectively carry out the structure and synthesis of the trough-type concentrated solar heat collection system. Photothermal performance design, design method of trough-type concentrating solar heat collection system to solve system automatic design problems

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  • A design method of trough concentrating solar energy collector system
  • A design method of trough concentrating solar energy collector system
  • A design method of trough concentrating solar energy collector system

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Embodiment Construction

[0108] Design method step of the present invention is as follows:

[0109] 1) Determine the annual heat production design requirements, specific geographical location parameters and meteorological parameter information of the trough concentrating solar heat collection system to be designed;

[0110] According to the design requirements, determine the design value Q of the annual heat production of the collector field s,required . Input the local latitude, longitude and time zone data of the thermal collector site to be designed. Input the hourly meteorological data of the heat collection field to be designed at equal time intervals throughout the year; the meteorological data mainly include the direct solar radiation intensity, dry bulb temperature, wind speed, wind direction, atmospheric pressure, etc. measured hourly at equal time intervals throughout the year.

[0111] 2) Determine the trough-type concentrated solar heat collection system to be designed (see figure 1 ) b...

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Abstract

A design method for a trough-type concentrating solar heat collection system. First, determine the basic geometric structure of the heat collection system and establish the parametric geometry of a single heat collection circuit according to local meteorological parameters, geometric dimensions of the heat collection system installation site, and system operating conditions Then, the Monte Carlo ray tracing method was used to establish a three-dimensional optical calculation model of the loop and perform optical calculations to obtain the comprehensive optical performance of the loop at all times throughout the year; then, using the one-dimensional light-to-heat conversion calculation model of the loop collector tube, the calculation The annual hour-by-hour comprehensive heat production performance and the annual total heat production of a single heat collection circuit; then, according to the design requirements of the total annual heat production of the system, the total number of heat collection systems is initially designed; finally, the heat collection system is preliminarily designed through evaluation The annual heat production is optimized and the number of loops is calculated, and the design of the heat collection system is finally completed; this method can quickly and effectively design the structure and comprehensive photothermal performance of the trough-type concentrating solar heat collection system.

Description

technical field [0001] The invention belongs to the technical field of concentrating solar heat utilization, and in particular relates to a design method for a trough-type concentrating solar heat collection system. Background technique [0002] The increasing depletion of fossil energy, the environmental problems caused by energy utilization, and the increase in energy demand for rapid social development all require the world to accelerate the development of renewable energy utilization technologies. In recent years, major energy powers have issued a series of laws, regulations and policy measures to take actions to accelerate the development and utilization of renewable energy. Solar energy is an abundant, clean and widely available renewable energy. Among the solar energy utilization technologies, the trough concentrating solar energy technology is a promising solar thermal utilization technology. Among them, the rapid, efficient and high-precision automatic design and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24S23/70F24S50/40G06F17/50
CPCG06F30/17Y02E10/40
Inventor 何雅玲邱羽李明佳吴明王坤
Owner XI AN JIAOTONG UNIV
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