Apparatus and method for measuring heat and heat-flow density in light spot division area
A technology of heat flux density and area division, which is applied in the field of devices for measuring heat and heat flux density in the divided area of the light spot, can solve the problems of uniformity, inability to measure the energy in the local area of the light spot at the same time, and inability to know whether the heat flux density of the light spot is distributed, etc., to increase reliability. Sexual, accurate measurement of the effect
Pending Publication Date: 2019-08-02
CHINA ENERGY CONSTR GRP SHAANXI ELECTRIC POWER DESIGN INST CO LTD
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[0005] The purpose of this application is to provide a device and method for measuring heat and heat flux in the divided area of the light spot, so as to solve the problem that the energy in the local area of the light spot cannot be measured at the same time in the prior art, and it is impossible to know whether the heat flux distribution of the light spot is uniform or not. Field adjustment provides a basis for optimizing the concentration efficiency of solar concentrators
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[0034] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description serve to explain the principles of the application.
[0035] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, for those of ordinary skill in the art, In other words, other drawings can also be obtained from these drawings on the premise of not paying creative work.
[0036] Please refer to the attached figure 1 , which is a schematic structural diagram of the device for measuring the heat and heat flux in the area divided by the light spot provided by this embodiment.
[0037] The device for measuring the heat and heat flux density of the area divided by the light spot provide...
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The application, which relates to the technical field of solar heat utilization, provides an apparatus and method for measuring the heat and heat-flow density in a light spot division area, thereby solving a problem that the existing light spot energy measuring device can only measure the energy of the entire spot but can not measure the energy and energy flow density of each local region in the spot range simultaneously. According to the application, an original integrated cavity heat absorber is divided into two or more than two independent cavities; and each independent cavity is wound witha heat exchange pipe; and a cooling water pipe is arranged at the back of a reflective wind shield. The energy and heat-flow densities of the spot division areas can be measured simultaneously; and the apparatus and method have the important guidance significance in improving the light-gathering efficiency of the light spot by adjusting the mirror field in actual application. The provided apparatus and method have advantages of high practicability and high accuracy and are suitable for industrial promotion and application.
Description
technical field [0001] The present application relates to the technical field of solar heat utilization, and in particular to a device and method for measuring heat and heat flux density in areas divided by light spots. Background technique [0002] High-temperature thermal utilization of solar energy is an important research project in the field of solar thermal utilization, and is widely used in point-focused solar power generation systems. As a device for converting concentrated sunlight into heat energy in a solar thermal power generation system, the cavity absorber can judge the concentration efficiency of the solar concentrating device by measuring the energy of its spot. [0003] In the prior art, there is a spot energy measurement system suitable for solar energy concentration. The system includes a cavity-type heat absorber with a barrel-shaped structure. There is a heat exchange pipe between the inner cavity and the outer wall of the cavity heat absorber; one end ...
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Login to View More IPC IPC(8): G01K17/06
CPCG01K17/06
Inventor 刘艳刘晓亮张鹏飞刘平王昱凯
Owner CHINA ENERGY CONSTR GRP SHAANXI ELECTRIC POWER DESIGN INST CO LTD