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本数学模型及其模拟计算程序PSHDC可用于计算直接受益型、(特朗贝式)集热墙型、以及由两者组合而成的被动式太阳能采暖房的热性能:予测逐时室温,计算辅助热量,进行太阳能集热构件和房间整体的优化分析。 和美国的PASOLE及TRNSYS等同类计算软件相比,本模型在集热墙墙体的不稳定导热计算和集热墙夹层空气流道的热平衡计算等方面对传统的方法作了改进。本程序可在微机上运行,功能较全,使用简便,试算结果和实测数据吻合较好,可满足同类太阳房热工设计研究的需要。 本文分上、下篇。本篇内容包括概述及数学模型中的围护结构内表面热平衡和室内空气热平衡;下篇包括数学模型中的集热墙数学模型,模拟计算框图,模型和程序的验证以及程序使用简介等。
The mathematical model and its simulation calculation program PSHDC can be used to calculate the thermal performance of a direct-benefit, (Tramby) heat-collection wall type, and a passive solar heating room made of the combination of the two: Predictive time-to-room temperature, calculation Auxiliary heat, optimized analysis of solar thermal components and the room as a whole. Comparing with PASOLE and TRNSYS equivalent calculation software in the United States, this model improves the traditional method in the calculation of the unstable heat conduction of the heat collecting wall and the heat balance calculation of the air flow channel in the heat collecting wall. This program can be run on a microcomputer. The function is relatively complete and easy to use. The trial results are in good agreement with the measured data, which can meet the needs of similar solar house thermal design research. This article is divided into two parts. This part includes the outline and the mathematical model of the internal surface heat balance and indoor air heat balance of the envelope structure; the next part includes the mathematical model of the heat collection wall mathematical model, simulation calculations, block diagrams, model and program verification and program usage profile.