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GB/T 34060-2017Steam heat calculation method (English PDF)

蒸汽热量计算方法

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

July 31, 2017

Implementation date

February 1, 2018

Scope

GB/T 34060-2017 is the English-translated version of 蒸汽热量计算方法.

GB/T 34060-2017 is the Chinese standard "Steam heat calculation method". Its scope clause reads: This standard specifies the calculation method of steam heat and calculate the required parameters of steam calorie based on temperature and pressure calculation method.

This standard applies to superheated steam and dry saturated steam, the temperature, pressure range shown in Figure 1 slash marked area. When When, 0MPa \u003cp<=16.5292MPa.

Figure 1 Scope Temperature - pressure diagram Note 1. Zone 1, Zone 2, Zone 3, Zone 4 and Zone 5 are divided into zones IAPWS-IF97 in Figure 1, and water and steam should be calculated in each zone according to their respective basic equations Steam physical properties.

Zone 1 is water, Zone 2 is superheated steam, Zone 3 is water and steam, Zone 4 is the steam saturation line (characterization of the steam saturation temperature Ts and Steam saturation pressure ps one-to-one correspondence, which is less than or equal to 16.5292MPa part is the boundary line 1,2 area, c is the critical point of water, is Zone 4 temperature, upper pressure limit, Tc = 647.096K, pc = 22.064MPa. ), Zone 5 is superheated steam with a temperature above 1073.15K. Its clauses include terms, definitions and symbols, code.

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Document preview — GB/T 34060-2017

National Standard of the People's Republic of China

ICS: 27.010
Classification: F 04

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
Introduction
1 Scope
2 Terms, definitions and symbols, code
2.1 Terms and definitions
2.2 symbol and code
3 Calculation Method
3.1 Calculation of heat
3.2 Determination of calorie-related parameters to determine the method
4 Calculation of steam properties
4.1 than the enthalpy
4.2 density
4.3 Than the entropy
4.4 sound speed
4.5 Dynamic viscosity
4.6 Isentropic index
5 Specific enthalpy calculation method to introduce the uncertainty
Appendix A (Normative) Steam properties Table
Appendix B (informative) Steam heat calculation example
References

1 Scope

This standard specifies the calculation method of steam heat and calculate the required parameters of steam calorie based on temperature and pressure calculation method.

This standard applies to superheated steam and dry saturated steam, the temperature, pressure range shown in Figure 1 slash marked area. When

When, 0MPa \u003cp<=16.5292MPa.

Figure 1 Scope Temperature - pressure diagram

Note 1. Zone 1, Zone 2, Zone 3, Zone 4 and Zone 5 are divided into zones IAPWS-IF97 in Figure 1, and water and steam should be calculated in each zone according to their respective basic equations

Steam physical properties. Zone 1 is water, Zone 2 is superheated steam, Zone 3 is water and steam, Zone 4 is the steam saturation line (characterization of the steam saturation temperature Ts and

Steam saturation pressure ps one-to-one correspondence, which is less than or equal to 16.5292MPa part is the boundary line 1,2 area, c is the critical point of water, is

Zone 4 temperature, upper pressure limit, Tc = 647.096K, pc = 22.064MPa. ), Zone 5 is superheated steam with a temperature above 1073.15K.

2 Terms, definitions and symbols, code

2.1 Terms and definitions

The following terms and definitions apply to this document.

2.1.1 Steam

Liquid water vapor or solid water sublimation of gaseous water.

2.1.2 Saturated steam

Confined space gas and liquid phase in the dynamic equilibrium state that is saturated steam.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 58 pages — is available in the English PDF.

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