نتایج جستجو برای: pump installation operation and maintenance
تعداد نتایج: 16876295 فیلتر نتایج به سال:
This paper presents the integrating Life Cycle Assessment (LCA) and Life Cycle Costing (LCC) study of the Flue Gas Desulphurization (FGD) system in Fengcheng thermal power plant in China. The FGD systems have been installed in a power generation plant to reduce the large amount of SO2 emission. Studies to appraise FGD system in power plant have mainly focused on economic analysis. This paper gi...
Pumps are often used in both industrial applications and mobile hydraulic machinery. In variable displacement pumps, the flow rate is dictated by the system requirements. The electro-hydraulic pump is a new integrated product, which comprise the combination of a pump and motor as a unit replacing the traditional connection with a shaft coupling. The pump is actuated without a rotating shaft uti...
Introduction: Coronary artery bypass grafting is a surgical operation that bypasses atherosclerotic coronary vessels and restores blood flow to the ischemic zone of hearts. And two different conventional methods are ON-pump CABG, and Off-pump CABG. Altogether, the efficacy and safety of these two types of surgical procedures are still under debate. In this study, we aim to com...
1. Project Goals The objective of this task is to refine and enhance the cost benefit analysis (CBA) associated with a FREEDM System deployment case. This objective will be met by addressing the following sub-tasks: i.Quantify and incorporate the costs associated with stranded assets as well as labor costs for removal of old equipment and installation of new equipment. ii. Refine the marginal v...
Based on the on-site cold and hot state inspection of four pipelines a 350MW unit in Shandong, combined with review calculation stress, design installation data, operation maintenance records other this paper formulates practical adjustment plan construction scheme, implements comprehensive treatment pipeline supports hangers, basically restores normal working hangers pipelines, ensures safe un...
I nterest has increased throughout the oil and gas industry regarding fixed installation of hydrogen sulfide (H2S) and flammable gas indicators as supplemental protection for personnel and facilities. Consistent with this interest is a need for better understanding of the function and limitations of such equipment, especially when evaluating its application to specific operations. The first pri...
High-speed maglev train is considered an ideal vehicle in the 21st Century, as an important part of the train, the travel mechanism bears and delivers a variety of vertical and horizontal alternating load in operation, it affects the operation safety of the train directly, so key components of the travel mechanism should under fatigue strength test by fatigue test machine.The paper proposed a v...
Apart from regular wheel wear such as decreasing wheel diameters and reduced flange thicknesses and heights, wheel flats (WF) and oval wheels (or OOR, Out-Of-Roundness) are the most common wheelset problems for railway vehicles. Within the FP7 Research Project “Saferail”, APT has developed an innovative wheelset monitoring system so-called “Wheel flat and Out of Roundness Monitoring (WORM) syst...
Preventive maintenance scheduling of generating units is addressed as a long-term scheduling in power system studies aiming to increase the reliability incorporating cost reduction. It consists of knowing which generating units should be shut down for regular safety inspection. In this paper, a new formulation of preventive maintenance scheduling associated with cost reduction index (CRI) is pr...
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