Research Article

A Study on the Instantaneous Turbulent Flow Field in a 90-Degree Elbow Pipe with Circular Section

Table 1

The comparison of static pressures on symmetric point pair.

Relative deviation

36°Upper120°0.864 60°0.869 0.866 0.27%
150°0.703 30°0.697 0.700 0.43%
Lower210°−0.044 330°−0.074 −0.059 25.50%
240°−0.610 300°−0.669 −0.640 4.60%

48°Upper120°0.871 60°0.879 0.875 0.42%
150°0.700 30°0.684 0.692 1.13%
Lower210°0.018 330°0.029 0.023 23.76%
240°−0.740 300°−0.777 −0.759 2.48%

60°Upper120°0.854 60°0.856 0.855 0.12%
150°0.665 30°0.667 0.666 0.15%
Lower210°−0.169 330°−0.128 −0.148 13.97%
240°−0.458 300°−0.455 −0.456 0.33%

78°Upper120°0.758 60°0.760 0.759 0.14%
150°0.561 30°0.569 0.565 0.70%
Lower210°−0.222 330°−0.242 −0.232 4.21%
240°−0.340 300°−0.330 −0.335 1.51%