The swirling transport characteristics of grain particles in bulk pipeline after fluidization were studied. A spinning device was designed for the lateral filling pipe. pipe distributed uniformly along circumference same section main pipe, number set to 3–7, and included angles with 20°, 30°, 40°, respectively. CFD-DEM used simulate swirl a horizontal pipeline. multiphase inlet velocity 20 m/s,...

from the perspective of theorists of international relations including functionalists and regionalists, establishment of cooperation and economic, commercial and transportation relations is among the suitable methods for fostering integration in international relations and deepening friendship, peace and stability particularly among regional countries. considering this fact, the authors believe...

This paper presents a feasibility study of evolutionary scheduling for gas pipeline operations. The problem is complex because of several constraints that must be taken into consideration during the optimization process. The objective of gas pipeline operations is to transfer sufficient gas from gas stations to consumers so as to satisfy customer demand with minimum costs. The scheduling involv...

The national strategic goal of the Russian Federation is to ensure safety critical technologies and sectors, which are important for development country's oil gas industry. article deals with technology intelligent monitoring condition industrial facilities transport storage gas. concept modern control system developed focusing on a comprehensive engineering using integrated automated systems m...

Oil and gas pipelines are the infrastructure of national economic development. Deployment problem of wireless underground sensor networks (WUSN) for oil and gas pipeline systems is a fundamental problem. This paper firstly analyzed the wireless channel characteristics and energy consumption model in near-surface underground soil, and then studied the spatial structure of oil and gas pipelines a...

comin the present study, co2 removal from natural gas stream has been studied using a flat sheet membrane contactor. a three dimensional mathematical model is developed to describe the process. the model considers the transport of a gas mixture containing carbon dioxide and methane through a flat sheet membrane contactor module. the model is based on the non-wetted mode of operation, in which t...

Sir Humphry Davy witnessed the first chlorine hydrate crystallizing in 1811. Couple of century later his discovery, natural gas hydrates has begun to play an important role in energy business. From being a mere chemical curiosity, they have proven to be a nuisance for the natural gas industry. The problem of hydrate induced blockage in “wet gas” flow systems has been widely reported and became ...

Accident of oil and gas pipeline may result in enormous economic loss, great casualties and severe environmental pollution (Assael and Kakosimos, 2010). In the field of pipeline accident emergency, the Decision Support System (DSS) has been proposed to reduce the loss of an accident (Dey, 2001; Agbenowosi, 2000; Nataraj, 2005). However, their researches are mostly about risk management (Dey, 20...

Pipeline systems are vital infrastructure to national economy, and are widely used for transporting liquid and gas matter, such as oil, natural gas, water and chemic materials. However, effective and efficient management of pipeline systems are challenging, due to its mere lengths and the diverse deployment environments. Wireless sensor network (WSN) consists of a large number of sensors, which...