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The principle of this paper is to describe grounding monitoring system and installation for Traction Power Sub-Station (TPSS) and power distribution boards in both TPSS and the Light Rapid Transit (LRT). The grounding system will be analyzed and installed such that it will prevent the build-up of hazardous potential differences during short-circuit conditions, ensure non-current carrying exposed metalwork...
Incident involving failures of 6months old API 5L X42 (NPS8) and SDR 17, 125mm medium density polyethylene pipe (MDPE) supplying natural gas to an industrial customer has caused serious 7h supply disruption. Study was performed to identify the most probable cause of the pipes failures. The study conducted by reviewing the existing design and construction data, visual physical inspection, pipe material...
The main purpose of this paper is to investigate the effectiveness of the quarter-sweep arithmetic Mean (QSAM) iterative method by using the implicit finite difference approximation in order to solve fourth-order parabolic equations. The basic idea and the formulation of this method are also presented. In fact, implementations of full-sweep, half-sweep, and quarter-sweep arithmetic mean methods, namely...
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