SB/T 10795-2012 English PDF

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SB/T 10795-2012: Test method of forced ventilation and natural convection air cooler
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Basic data

Standard ID: SB/T 10795-2012 (SB/T10795-2012)
Description (Translated English): Test method of forced ventilation and natural convection air cooler
Sector / Industry: Domestic Trade Industry Standard (Recommended)
Classification of Chinese Standard: J73
Classification of International Standard: 97.130.20
Word Count Estimation: 28,284
Regulation (derived from): Ministry of Commerce Notice No. 58 of 2012; industry standard for filing Notice No. 12 of 2012 (No. 156 overall)
Issuing agency(ies): Ministry of Commerce of the People's Republic of China
Summary: This standard specifies the air flow and cooling test methods for forced ventilation and natural convection air coolers used in refrigeration systems. This standard does not apply to air conditioning installations of air conditioning units for cooling and air flow rates as specified in other standards.

SB/T 10795-2012: Test method of forced ventilation and natural convection air cooler

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Test method of forced ventilation and natural convection air cooler ICS 97.130.20 J73 Record number. 37655-2012 People's Republic of China domestic trade industry standard Forced ventilation and natural convection air cooler experiment method (ANSI/ASHRAEstandard25-2006, MOD) Released on.2012-09-19 2012-12-01 implementation Published by the Ministry of Commerce

Content

Foreword III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 symbol 3 5 General Rules of Test 4 6 Test Method 5 7 meter 5 8 device 7 9 Test step 11 10 Data to be recorded 13 11 Calculation 15 Appendix A (informative) Standard test conditions and extensions 17 Appendix B (Normative Appendix) Refrigerant Pump Recirculation System Test 18 Appendix C (informative) Calculation of oil content 24

Foreword

The body of this standard is equivalent to the American National Standard/American Society of Heating, Refrigerating and Air-Conditioning Engineers Standard ANSI/ASHRAE STANDARD25-2001 (RA2006) "Test Method for Forced Ventilation and Natural Convection Air Coolers", mainly specified in the refrigeration system Air flow rate and cooling test methods for forced air and natural convection air coolers used in the system. The main technical contents include. terms and definitions, test requirements, test methods, instrumentation, experimental equipment, test procedures, data records and Data processing, etc. Appendix B of this standard is equivalent to EN328.2002 Appendix E, Appendix C is equivalent to EN328.2002 Appendix F. Appendix A and Appendix C of this standard are informative annexes, and Appendix B is a normative appendix. This standard was proposed by the Ministry of Commerce of the People's Republic This standard is under the jurisdiction of the National Refrigeration Standardization Technical Committee. This standard was drafted. Domestic Trade Engineering Design and Research Institute, Bac Dalian Co., Ltd., Dalian Yised Refrigeration Equipment Co., Ltd., large Even Refrigeration Co., Ltd., Shangyu Chunhui Air Cooling Equipment Co., Ltd., Changzhou Jingxue Refrigeration Equipment Co., Ltd. Equipment Co., Ltd., Beijing Heyi Refrigeration Technology Co., Ltd., Zhejiang Dunan Cold Chain System Co., Ltd., Jinan Shenhua Refrigeration Equipment Co., Ltd. Shanghai Ocean University, Tianjin University of Commerce, Jimei University, Beijing Huashang Bingshan Refrigeration and Air Conditioning Equipment Co., Ltd., National Commercial Refrigeration Technology Information Station, National Commercial Refrigeration Equipment Quality Supervision and Inspection Center, China Refrigeration Society, Luoyang Longhua Heat Transfer Technology Co., Ltd. The main drafters of this standard. Liu Xiaopeng, Xiao Yang, Shi Jianbin, Yang Yifan, Jiang Lei, Ni Limin, Sun Guoliang, Gan Miagen, Zhao Ronghua, Hou Ziwu, Cao Yang, Zhang Li, Xu Qinglei, Zhang Jianyi, Shen Jiang, Wan Jinkang, Jia Fuzhong, Liu Yan, Li Wenjiang, Cai Zhenyi, Gu Zhong, Shang Yong. Forced ventilation and natural convection air cooler experiment method

1 Scope

This standard specifies the air flow rate and cooling capacity test methods for forced air and natural convection air coolers used in refrigeration systems. This standard does not apply to air conditioning units for air conditioning unit cooling and air flow rate testing methods specified in other standards.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. EN328.2002 Performance test procedures for air coolers for forced air cooling

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Air cooler aircooler A heat exchanger that uses air as an intermediate medium to exchange heat between a refrigerating space and a refrigerant. The cooler is composed of heat exchangers and accessory equipment a device. 3.2 Dry air cooler dry-typeaircooler Air Cooler During operation, the heat exchange process is not an air cooler that is performed by injecting liquid refrigerant. 3.3 External static pressure loss externalstaticpressureloss Static pressure loss caused by air flowing through the air duct and other external components of the air cooler. 3.4 Forced circulation air cooler forcedcirculationaircooler An air cooler that circulates air by mechanical means. 3.5 Free conveyor air cooler freedelivery-typeaircooler Contains no air ducts or other components that are resistant to airflow, absorbing air from the cold room and discharging it into the cold air cooler. 3.6 Total cooling capacity grosstotalcoolingeffect The amount of heat absorbed by the refrigerant. The sum of the net total cooling capacity and the thermal equivalent of the work required to operate the chiller. 3.7 Internal static pressure loss internalstaticpressureloss Air pressure loss caused by air flowing through a factory-assembled cooler. ......

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