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COOLP: A Computer Program for the Design and Analysis of Ceiling Cooling Panels COOLP:设计和分析天花板冷却板的计算机程序
面板冷却系统的成功在很大程度上取决于对预期室内条件的仔细分析和正确的设计。必须模拟面板的冷却性能及其在各种室内和室外条件下的表面温度分布,以确保在没有表面冷凝的情况下正常运行。这就要求开发软件来处理所有相关的设计变量,保持足够的简单性,从而使程序受到设计师的欢迎。利用准稳态传热模型,开发了一个计算机程序,以提供天花板冷却板的设计和分析工具。对于优化设计,该算法强制执行16个约束,包括针对表面冷凝的温度检查。 当前版本包括板内应用和附加管道,如悬挂式金属冷却板。面板材料及其配置是程序输入,也是显式冷负荷。冷却液可指定为任何比例的水和防冻液混合物。使用该计算机程序还生成了天花板和地板冷却的通用设计诺模图。回顾文献,并以金属天花板冷却面板的案例研究来解释计算机程序。还揭示了一些循环参数的重要性,并强调了给定冷负荷下管雷诺数、管间距和回路压降之间的冲突。关键词:1995年,冷负荷,计算机程序,设计,天花板冷却,面板冷却,天花板,算法,回顾,冷凝,表面,热流,案例研究引用: 研讨会,ASHRAE Trans。1995年,第101卷,第2部分
The success of a panel cooling system largely depends on careful analysis of anticipated indoor conditions and proper design. Cooling performance of the panel and its surface temperature distribution at various indoor and outdoor conditions must be simulated in order to assure proper functioning without surface condensation. This makes it essential to develop software to manipulate all the relevant design variables, retaining sufficient simplicity so that the program will be welcomed by designers. Using a quasi-steady-state heat transfer model, a computer program was developed in order to provide a design and analysis tool for ceiling cooling panels. For an optimal design, the algorithm enforces 16 constraints, including a temperature check against surface condensation. The current version includes both in-slab applications and attached tubing, such as suspended metal cooling panels. Panel material and its configuration are program inputs as well as the sensible cooling load. Cooling fluid may be specified as any proportion of water and antifreeze mixture. A universal design nomograph for ceiling and floor cooling was also generated using this computer program. Reviews the literature and explains the computer program with a case study for metal ceiling cooling panels. Also revealed is the importance of some hydronic parameters, and the conflict among the tube Reynolds number, tube spacing, and the circuit pressure drop for a given cooling load is underlined.KEYWORDS: year 1995, cooling load, computer programs, designing, ceiling cooling, panel cooling, ceilings, algorithms, reviews, condensation, surfaces, heat flow, case studies
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