GB/T 30261-2013 English PDF

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GB/T 30261-2013: Evaluation methods for exergy efficiency of plate heat exchangers of refrigeration and air-conditioning systems
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 30261-2013	209	Add to Cart	3 days	Evaluation methods for exergy efficiency of plate heat exchangers of refrigeration and air-conditioning systems	Valid

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Basic data

Standard ID: GB/T 30261-2013 (GB/T30261-2013)
Description (Translated English): Evaluation methods for exergy efficiency of plate heat exchangers of refrigeration and air-conditioning systems
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: F01
Classification of International Standard: 27.010
Word Count Estimation: 9,926
Quoted Standard: GB/T 7725-2004; GB/T 10870-2001; GB/T 25129-2010; JB/T 8701; JB/T 10379
Regulation (derived from): National Standards Bulletin No. 26 of 2013
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies: refrigeration and air conditioning Exergy efficiency plate heat exchanger evaluation, test methods and requirements, labeling. This standard applies to: the design pressure of not more than 5. OMPa- plate heat exchanger, refrigera

GB/T 30261-2013: Evaluation methods for exergy efficiency of plate heat exchangers of refrigeration and air-conditioning systems

---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.
Evaluation methods for exergy efficiency of plate heat exchangers of refrigeration and air-conditioning systems ICS 27.010 F01 National Standards of People's Republic of China Refrigeration and air conditioning efficiency plate heat exchanger Evaluation Method Issued on. 2013-12-18 2014-07-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Introduction Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 4 Evaluation 1 5 2 Test methods and requirements 6 Callout 3 Appendix A (normative) Efficiency Measurement and Calculation 4

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard was proposed by the National Development and Reform Commission Environment and Resources Comprehensive Utilization Department. This standard by the national infrastructure and management of Standardization Technical Committee and Information Branch of energy saving technologies (SAC/TC20/SC8) and the National Boiler and Pressure Vessel Standardization Technical Committee (SAC/TC262) centralized. This standard drafting units. China National Institute of Standardization, Tsinghua University, Beijing University of Technology, SWEP Suzhou Science and Technology Co., Ltd., Yangjiang Bao Marley Automobile Air Conditioning Equipment Co., Intel heat transfer equipment (Zhejiang) Co., Ltd., Ningbo Harley exchanger Equipment Co., Ltd. Zhuhai Gree Electric Co., Ltd., Beijing Olympic Taihua Refrigeration Equipment Co., Ltd. The main drafters of this standard. Li Yan, Cheng Jianhong, Jun-Ming Li, Li Hongqi, Mr. Chen Yong, Liu Wei, Huang Linfeng, Li Zhihua, Zhuohong Jiang, Hu Mingxia, Bo, Chen Li. Refrigeration and air conditioning efficiency plate heat exchanger Evaluation Method

1 Scope

This standard specifies the refrigeration and air conditioning evaluation plate heat exchanger efficiency, test methods and requirements, labeling and so on. This standard applies to the design pressure of not more than 5.0MPa of air conditioning refrigeration plate heat exchanger (hereinafter referred to as heat).

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 7725-2004 room air conditioner GB/T 10870-2001 displacement and centrifugal water (heat pump) performance test methods GB/T 25129-2010 cooling air cooler JB/T 8701 refrigeration plate heat exchanger JB/T 10379 heat exchanger thermal performance and flow resistance characteristics common measurement method

3 Terms and Definitions

JB/T 8701 defined by the following terms and definitions apply to this document. 3.1 Heat transfer heattransfercapacity Heat exchanger in the test conditions specified operating time per unit time to give fluid or the heat released in the heat exchanger. 3.2 Flow pressure drop pressuredrop Heat exchanger in the test conditions specified operating time, one side of the fluid flow through the pressure loss of the heat exchanger. 3.3 Efficiency exergyefficiency Effective heat input and output sides of the fluid ratio.

4 Evaluation

Heat exchange efficiency of the heat exchanger using efficiency evaluation. A heat exchanger efficiency predetermined manner in accordance with the formula (1) and section 5 and Appendix Measurement and Calculation. η = ΔEout -ΔEin × 100% = qm, outqm, in · (Hout, 2-hout, 1) -T0 (sout, 2-sout, 1) (hin, 1-hin, 2) -T0 (sin, 1-sin, 2) × 100% (1) Where. ΔEin, ΔEout --- are the input and output side of the fluid side of the fluid changes in joules (J); qm, in, qm, out --- respectively mass flow input side and the output side of the fluid flow, in kilograms per second (kg/s); ......

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