# [1]钱钟韩.高压蒸汽的数学模型及其在流量测量中的应用[J].东南大学学报(自然科学版),1979,9(3):86-102.[doi:10.3969/j.issn.1001-0505.1979.03.008] 　Qian Zhong-Han.A Mathematical Model of High-Pressure Steam and its Applications in Flow Measurement[J].Journal of Southeast University (Natural Science Edition),1979,9(3):86-102.[doi:10.3969/j.issn.1001-0505.1979.03.008] 点击复制 高压蒸汽的数学模型及其在流量测量中的应用() 分享到： var jiathis_config = { data_track_clickback: true };

9

1979年第3期

86-102

1979-09-20

## 文章信息/Info

Title:
A Mathematical Model of High-Pressure Steam and its Applications in Flow Measurement

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Author(s):
Qian Zhong-Han

+
DOI:
10.3969/j.issn.1001-0505.1979.03.008

Abstract:
In this paper the main characteristics of high-pressure steam as compared with an ideal gas are discussed, and a serics of approximate equations of state are derived for high-pressure steam, including a semi-rational equation valid for the whole range and two simplified forms suitable for on-line calculations of steam flow. Their accuracy is far better than the older formulas still in use. The following problems in the measurement of steam flow in a power plant are also analyzed: the correction factor for compressibility of gas in standard orifices and nozzles; and a new formula for estimating the steam flow thru a turbine in terms of the pressure after the variable-admission stage. New lines of approach result in highly simplified formulas, to be used in on-line calculations.

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