Operation of gas pipelines Control and laboratory

OPTION 5
Task # 1
Determine the throughput of the MG section with a length of l = (130+2n٭) kilometers and an internal diameter of D = (1250-10n) millimeters. Gas pressure and temperature at the beginning of the section P1 =(6.61 – 0.05 n) MPa and T1 = (282.5 – 0.5 n) K. Pressure at the end of the section P2 = 5.0 MPa.
Ground temperature t0 = (276.75 + 0.25 n). A gas with a relative density of Δ =(0.59 + 0.002 n) is transported. Evaluate the impact of the accuracy of determining the temperature and pressure of gas on the accuracy of determining the flow capacity of the site.
n٭ - number of the student´s option.
n=5,
Laboratory work # 1
Investigation of gas flow in the MG section.
Purpose of work. Establish patterns of gas flow through the pipeline.
Work tasks:
1) familiarization with the application programs and characteristics of the experimental site;
2) planning and conducting an experiment to study the pressure distribution along the length of the section. The required accuracy of pressure determination is set by the teacher;
3) processing of experiment results;
4) presentation of experimental results and calculations in the form of graphs of changes in pressure, pressure square, temperature, density and velocity of gas flow along the length of the section;
5) draw conclusions about the nature of the distribution of the studied parameters along the length of the site and about the factors and physical quantities that determine it.