Systems Design for Ceramic LFA Substrates for Diesel/Natural Gas Flow- Through Catalysts

1995 ◽  
Author(s):  
Robert K. Miller ◽  
A. Carl McDonald ◽  
Suresh T. Gulati
Keyword(s):  
Natural Gas ◽  
Gas Flow ◽  
Systems Design ◽  
Flow Through ◽  
Natural Gas Flow

Investigation of hydrate formation in natural gas flow through underground transmission pipeline

2013 ◽  
Vol 15 ◽  
pp. 27-37 ◽  
Author(s):  
Mahmood Farzaneh-Gord ◽  
Hamid Reza Rahbari ◽  
Mahdi Bajelan ◽  
Lila Pilehvari
Keyword(s):  
Natural Gas ◽  
Gas Flow ◽  
Hydrate Formation ◽  
Transmission Pipeline ◽  
Flow Through ◽  
Natural Gas Flow

Prediction of natural gas flow through chokes using support vector machine algorithm

2014 ◽  
Vol 18 ◽  
pp. 155-163 ◽  
Author(s):  
Ibrahim Nejatian ◽  
Mojtaba Kanani ◽  
Milad Arabloo ◽  
Alireza Bahadori ◽  
Sohrab Zendehboudi
Keyword(s):  
Support Vector Machine ◽  
Natural Gas ◽  
Gas Flow ◽  
Support Vector ◽  
Support Vector Machine Algorithm ◽  
Flow Through ◽  
Natural Gas Flow

Field Calibration of Orifice Meters for Natural Gas Flow

1989 ◽  
Vol 111 (1) ◽  
pp. 22-33
Author(s):  
V. C. Ting ◽  
J. J. S. Shen
Keyword(s):  
Natural Gas ◽  
Gas Flow ◽  
Reynolds Numbers ◽  
National Standard ◽  
Test Facility ◽  
Critical Flow ◽  
Calibration Data ◽  
Discharge Coefficients ◽  
Sand Hills ◽  
Natural Gas Flow

This paper presents the orifice calibration results for nominal 15.24, 10.16, and 5.08-cm (6, 4, 2-in.) orifice meters conducted at the Chevron’s Sand Hills natural gas flow measurement facility in Crane, Texas. Over 200 test runs were collected in a field environment to study the accuracy of the orifice meters. Data were obtained at beta ratios ranging from 0.12 to 0.74 at the nominal conditions of 4576 kPa and 27°C (650 psig and 80°F) with a 0.57 specific gravity processed, pipeline quality natural gas. A bank of critical flow nozzles was used as the flow rate proving device to calibrate the orifice meters. Orifice discharge coefficients were computed with ANSI/API 2530-1985 (AGA3) and ISO 5167/ASME MFC-3M-1984 equations for every set of data points. The uncertainty of the calibration system was analyzed according to The American National Standard (ANSI/ASME MFC-2M-A1983). The 10.16 and 5.08-cm (4 and 2-in.) orifice discharge coefficients agreed with the ANSI and ISO standards within the estimated uncertainty level. However, the 15.24-cm (6-in.) meter deviated up to − 2 percent at a beta ratio of 0.74. With the orifice bore Reynolds numbers ranging from 1 to 9 million, the Sand Hills calibration data bridge the gap between the Ohio State water data at low Reynolds numbers and Chevron’s high Reynolds number test data taken at a larger test facility in Venice, Louisiana. The test results also successfully demonstrated that orifice meters can be accurately proved with critical flow nozzles under realistic field conditions.

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