Enclosure structure heat storage efficiency evaluation method, device and equipment and storage medium

By conducting experiments and parameter inversion optimization on the building envelope across temperature ranges of characteristic variations, a discrete numerical model based on the enthalpy method and a thermal network model were constructed. This solved the problem that existing technologies cannot accurately evaluate the nonlinear thermal properties and poor environmental adaptability of composite building envelopes, and achieved a precise multi-dimensional evaluation of thermal storage efficiency.

CN121978165AActive Publication Date: 2026-05-05SOUTH CHINA UNIV OF TECH
5 Cites 0 Cited by

Patent Information

Application Number
CN202610461017.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-04-09
Publication Date
2026-05-05
Estimated Expiration
2046-04-09

AI Technical Summary

Technical Problem

Existing methods for evaluating building thermal performance cannot accurately reflect the nonlinear thermophysical property changes of functional composite building envelopes within the temperature range of characteristic variations, and have poor environmental adaptability, making it difficult to quantify their heat storage efficiency under dynamic environments.

Method used

By preparing target specimens, conducting experiments across temperature ranges of characteristic changes, obtaining nonlinear thermal response data, constructing a discrete numerical model using the enthalpy method and performing parameter inversion optimization, and combining this with a thermal network model to simulate hourly heat flow data, multi-dimensional thermal storage efficiency evaluation indicators are calculated.

Benefits of technology

It enables precise quantitative evaluation of the dynamic heat storage performance of building envelopes in real and complex environments, and provides an accurate, comprehensive and practical evaluation method.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The invention relates to the technical field of building thermal engineering, solves the problems of inaccurate and incomplete evaluation of the heat storage performance of a building envelope and poor environmental adaptability in the prior art, and provides a method, a device and equipment for evaluating the heat storage efficiency of the building envelope and a storage medium to prepare a target test piece containing a functional material; carrying out a cross-characteristic change temperature interval experiment by utilizing the dynamic thermal and humid climate wind tunnel to obtain nonlinear thermal response data; constructing an enthalpy method discrete numerical model, and performing parameter inversion by taking the minimum root-mean-square error of theoretical surface heat flow and actually measured heat flow as a target to obtain thermophysical parameters and an effective specific heat capacity curve; and constructing a thermal network model based on the inversion parameters, and simulating hourly heat flow of each node of the test piece, so as to calculate a multi-dimensional heat storage efficiency evaluation index of the enclosure structure. According to the method, the high-precision wind tunnel experiment, the nonlinear heat transfer model and the inversion algorithm are coupled, the dynamic heat storage performance of the enclosure structure is accurately quantified, and an accurate and practical solution is provided for evaluating the heat storage efficiency of the functional enclosure structure.
Need to check novelty before this filing date? Find Prior Art