ISO 9459-5-2007 太阳能加热.家用热水系统 第5部分:依赖于全系统试验和计算机模拟的系统性能特征

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标准号:ISO 9459-5-2007
中文标准名称:太阳能加热.家用热水系统 第5部分:依赖于全系统试验和计算机模拟的系统性能特征
英文标准名称:Solar heating - Domestic water heating systems - Part 5: System performance characterization by means of whole-system tests and computer simulation
标准类型:F12;Q83
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:F12;Q83
国际标准分类号:27.160;97.100.99
适用范围:This part of ISO 9459 specifies a method for outdoor laboratory testing of solar domestic hot-water (SDHW)systems. The method may also be applied for in-situ tests, and also for indoor tests by specifying appropriatedraw-off profiles and irradiance profiles for indoor measurements. The system performance is characterizedby means of whole-system tests using a 'black-box' approach, i.e. no measurements on the systemcomponents or inside the system are necessary. Detailed instructions are given on the measurementprocedure, on processing and analysis of the measurement data, and on presentation of the test report.The theoretical model described in reference [1] is used to characterize SDHW system performance undertransient operation. The identification of the parameters in the theoretical model is carried out by a parameteridentificationsoftware program (see Annex A). The program finds the set of parameters that gives the best fitbetween the theoretical model and the measured data.A wide range of operating conditions shall be covered to ensure accurate determination of the systemparameters. Measured data shall be pre-processed before being used for identification of system parameters.The identified parameters are used for the prediction of the long-term system performance for the climatic andload conditions of the desired location, using the same model as for parameter identification. The systemprediction part of the theoretical model requires hourly values of meteorological data (e.g. test referenceyears) and specific load data, as described in Annex C.This part of ISO 9459 can be applied to the following SDHW systems including:a) systems with forced circulation of fluid in the collector loop;b) thermosiphon systems;c) integral collector storage (ICS) systems;.provided that for b) and c) the validation requirements described in Clause B.2 of Annex B are satisfied.Systems are limited to the following dimensions1).- The collector aperture area of the SDHW system is between 1 and 10 m2.- The storage capacity of the SDHW system is between 50 and 1 000 litres.- The specific storage-tank volume is between 10 and 200 litres per square metre of collector aperture area.

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