| 【英文标准名称】 |
Heat exchangers - Test procedures for establishing the performance of air to air and flue gases heat recovery devices |
| 【原文标准名称】 |
热交换器.确定空气对空气和烟道燃气热量回收装置性能的试验程序 |
| 【标准号】 |
BS EN 308-1997 |
| 【标准状态】 |
ST |
| 【国别】 |
英国 |
| 【发布日期】 |
1997-07-15 |
| 【实施或试行日期】 |
1997-07-15 |
| 【发布单位】 |
(GB-BSI) |
| 【起草单位】 |
BSI |
| 【标准类型】 |
() |
| 【标准水平】 |
() |
| 【中文主题词】 |
内部;外部;煤气;分类系统;热力工程;误差;烟道;温度;报告;湿度;比率;热传递;气体;热交换器;试验条件;试验设备;排气;实验室试验;空气;压力试验;漏泄试验;额定值;性能;压力;准确度 |
| 【英文主题词】 |
Air-to-air heat exchanger;Definition;Definitions;Determination;Efficiency;Exhaust gases;Heat accumulators;Heat exchangers;Measurement;Measuring incertainity;Performance;Rating tests;Specification (approval);Storage heaters;Testing;Testing conditions;Thermodynamic properties;Waste heat recovery |
| 【摘要】 |
This European Standard specifies methods to be used for laboratory testing of air-to-air heat recovery devices or those recovering heat from flue gases of heating appliances in buildings (except process-process applications) to obtain rating data. It gives test requirements and procedures for performing such tests and specifies input criteria required for tests to verify performance data given by the manufacturer.
For the purposes of this standard, the term exhaust air may also be taken to mean the products of combustion.
This European Standard is intended to be used as a basis for testing heat recovery devices for HVAC systems, which as specified in prEN 247 consist of the heat exchanger itself installed in a casing having the necessary air duct connecting elements and in some cases the fans and pumps, but without any additional components of the HVAC system.
This European Standard is applicable to the following categories of heat exchangers:
Category Ⅰ Recuperators
Category Ⅱ With intermediary heat transfer medium
Category Ⅱa: without phase-change
Category Ⅱb: with phase-change (heat pipe,..)
Category Ⅲ Regenerators (containing accumulating mass)
Category Ⅱ1a: non hygroscopic
Category Ⅱ1b: hygroscopic
Heat recovery devices with exchangers and intermediary heat transfer medium without phase-change (category Ⅱa) are to be tested as one unit including pump and pipe system between the coils.
This European Standard prescribes test methods for determining:
a) the external leakage;
b) the internal leakage of exhaust air to the supply air within the device at a given pressure difference between air ducts, for recovery devices of categories Ⅰ and Ⅱ;
c) the carry-over of exhaust air to the supply air in recovery devices of category Ⅲ;
d) the temperature and humidity ratios;
e) the pressure drop of exhaust air and supply air sides. |
| 【中国标准分类号】 |
J75 |
| 【国际标准分类号】 |
27_060_30 |
| 【页数】 |
18P;A4 |
| 【正文语种】 |
英语 |
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