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Method and system for predicting condensation performance of umbrella-shaped flexible tensioned membrane condenser

A technology for performance prediction and concentrators, applied in the direction of condensers, instruments, optics, etc., can solve problems such as inaccurate evaluation of concentrating performance

Active Publication Date: 2021-04-20
NANYANG INST OF TECH +1
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Problems solved by technology

[0005] The purpose of the present invention is to provide a method and system for predicting the concentrating performance of an umbrella-shaped flexible stretched film concentrator to solve the problem of inaccurate evaluation of the concentrating performance of an umbrella-shaped flexible stretched film concentrator in the prior art

Method used

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  • Method and system for predicting condensation performance of umbrella-shaped flexible tensioned membrane condenser
  • Method and system for predicting condensation performance of umbrella-shaped flexible tensioned membrane condenser
  • Method and system for predicting condensation performance of umbrella-shaped flexible tensioned membrane condenser

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Embodiment Construction

[0052] Method example:

[0053] This embodiment provides a method for predicting the light performance of an umbrella-shaped flexible stretched film concentrator, the process of which is as follows figure 1 shown, including the following steps:

[0054] Step 1: Establish a triangular mesh model of the reflective film of the umbrella-shaped flexible tensioned film concentrator.

[0055] Step 2: Perform form-finding design on the reflective film of the umbrella-shaped flexible tensile film concentrator, and obtain the geometric position coordinates of each triangle grid in the reflective film of the umbrella-shaped flexible tensile film concentrator after form-finding.

[0056]Step 3: Randomly generate incident points of light on the triangular grid of reflective film of the umbrella-shaped flexible stretched film concentrator, and use Fresnel principle to calculate the reflection equation combined with the non-parallelism of sunlight and the incident light after being reflecte...

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Abstract

The invention provides a method and a system for predicting the condensation performance of an umbrella-shaped flexible tensioned membrane condenser. The prediction method comprises the following steps: establishing a triangular mesh model of the umbrella-shaped flexible tensioned membrane condenser; carrying out shape finding design on a reflective film of the umbrella-shaped flexible tensioned membrane condenser to obtain geometric position coordinates of each triangular grid in the reflective film of the umbrella-shaped flexible tensioned membrane condenser after shape finding; randomly generating incident points of light rays on the reflective film, calculating a reflection equation of the incident light rays after being reflected by the film by utilizing a Fresnel principle and combining sunlight non-parallelism so as to obtain reflected light rays, and obtaining the position of the light rays falling on a receiving surface after being reflected by the reflective film of the umbrella-shaped flexible tensioned membrane condenser; and predicting the condensation performance of the umbrella-shaped flexible tensioned membrane condenser according to the reflected light received by the receiving surface. According to the technical scheme provided by the invention, the problem of inaccurate evaluation of the condensation performance of the umbrella-shaped flexible tensioned membrane condenser can be solved.

Description

technical field [0001] The invention relates to the technical field of light concentrating performance evaluation of an umbrella-shaped flexible stretched film concentrator, in particular to a method and system for predicting the light concentrating performance of an umbrella-shaped flexible stretched film concentrator. Background technique [0002] At present, concentrated solar power generation has the advantages of high efficiency and less land occupation, which can reduce the cost of solar power generation, and is an important direction in the field of solar power generation. Concentrating solar power is to improve the photoelectric conversion efficiency by concentrating sunlight. Traditional components for concentrating sunlight are mainly Fresnel lenses, solid-surface concentrators, etc. Traditional concentrating devices usually use glass, luminous aluminum plates, etc. to collect sunlight. The materials of these concentrators lead to heavy weight of the concentrating...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/23G06F30/10G06F17/13G06T17/20G02B19/00
Inventor 王海红季祥张丹翟天嵩刘忠超盖晓华张季萌
Owner NANYANG INST OF TECH
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