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Piping covers very large part of any process plant. If you look at Oil Exploration platform, Refinery and Petrochemical complex one thing that catches the attention is a complex network of piping. Piping is used to transport various process materials from one equipment to another. But why? Process Plant is a place where a series of activities performed in particular ordered to convert raw material into a useful product and interconnected pipe and pipe components are used to transport raw material, intermediated product and final product to the desired location. Piping components such Pipe, Elbow, Tee, Reducer, caps, flanges, gasket, and Valves are the basic building of Oil & Gas industries. Learn about Fundamentals of Pipes, Manufacturing Methods and Inspection & testing.
The seven fundamental areas of competence in the mechanical engineering discipline are (1) materials. (2) design, (3) construction, (4) inspection, (5) testing, (6) maintenance, and operations.
International Journal of Scientific Engineering and Technology, 2018
Piping system plays a vital role in Power plants, Petroleum refineries, Food processing unit, Chemical Plant, Textile plants etc. Through piping system has huge number of component installed in it but there is some major components. This research paper deals with the basic understanding of piping ,its main component, piping standards, Documents required in piping. In this paper we try to mention brief description of all aspects of piping, through it seems to be a quite simple but practically this research paper is of great importance for Piping engineer, Students and Teachers.
Piping network running across a hydrocarbon facility are "arteries and veins" equivalent of a human body which carry vital fluids across the length and breadth of an operating plant so as to get it processed resulting in delivering an end user product such as Natural Gas into Liquefied Natural Gas. The pipe size ranges from small bore DN 15 (½") to big bore DN 1050 (42") pipes and requires adequate supporting at regular intervals so as to with stand various loads acting on the pipe or loads getting imposed on the pipe due to the fluid flowing through it.
The process of checking the stress developed in the piping due to various loading is called Pipe Stress Analysis or Flexibility analysis. Flexibility is also a crucial factor in piping system. When the ambient temperature rises, the expansion will generates a colossal force, which can impulse the joints out of configuration of the entire system. But generally, in piping both ends are connected together with equipments. The expansion force acts on equipment or a structure or whatever the pipe is connected to the equipments. If it is flexible, the piping system absorbs the expansion and there is no force on to the connected equipment. This paper presents instigating decision-making on pipe stress analysis through the application of knowledge-based systems (KBS). Stress analysis, as part of the design and analysis of process pipe networks, serves to identify whether a given pipe arrangement can cope with weight, thermal, and pressure stress at safe operation levels. An iterative process of design and analysis cycle is done routinely by engineers while analyzing the existing networks or while designing the process pipe networks. In our proposal, the KBS establishes a bidirectional communication with the current engineering software for pipe stress analysis, so that the user benefits from this integration. The stress analysis knowledge base is constructed by registering the senior engineers' know-how. The engineers' overall strategy to follow up during the pipe stress analysis, to some extent contained by the KBS, is presented. Recompenses in saving engineering man-hours and practicality in guiding specialists in pipe stress analysis are the foremost services for the process industry. Purpose of piping stress analysis is to ensure following most essential requirements. 1. Safety of piping and piping components. 2. Safety of connected equipment and supporting structure. 3. Piping deflections are within the limits. 4. Gravity and Temperature changes. 5. Internal and external pressures. 6. Changes in fluid flow rate. 7. Wind and Seismic activity. Keywords: Decision making-Pipe stress analysis- Knowledge-Based Systems-Primary-Secondary- Peek stress-Wind-Seismic Load Case.
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