نتایج جستجو برای: rc hyperbolic cooling towers
تعداد نتایج: 97753 فیلتر نتایج به سال:
As one of the most widely used units in water cooling systems, the closed wet cooling towers (CWCTs) have two typical counter-flow constructions, in which the spray water flows from the top to the bottom, and the moist air and cooling water flow in the opposite direction vertically (parallel) or horizontally (cross), respectively. This study aims to present a simplified calculation method for c...
We provide examples of towers covers cusped hyperbolic 3-manifolds whose exponential homological torsion growth is explicitly computed in terms volume growth. These arise from abelian alternating links the thickened torus. A corollary that spanning tree entropy for each regular planar lattice given by a polyhedron.
In this paper, performance evaluation of wet cooling tower is done. To achieve this aim, first, thermal behavior of counter-flow wet cooling tower is studied through a simulation model. The influence of the environmental conditions on the thermal efficiency of the cooling tower is investigated. The cooling tower performance is simulated in terms of varying air and water temperatures, and of the...
In this report, experimental investigation of waste water treatment by reverse osmosis to enable its reuse in cooling tower is presented. A polyamide spiral wound RO membrane followed by three filters as RO pretreatment (two activated carbon and one cartridge filter) and samples of Tehran refinery treated waste water have been used. The effect of operating conditions such as pressure difference...
Van der Waals heterostructures have emerged as promising building blocks that offer access to new physics, novel device functionalities and superior electrical and optoelectronic properties 1-7 . Applications such as thermal management, photodetection, light emission, data communication, high-speed electronics and light harvesting 8-16 require a thorough understanding of (nanoscale) heat flow. ...
We study the problem of designing a model predictive control strategy for multiple induced draft cooling towers. The common objective towers is to regulate outlet water temperature collection basin desired set point. Each tower can be operated in different modes (bypass, showering, ventilation) meet heat rejection requirement. To deal with interacting dynamics and logic, we propose based on mix...
We introduce random towers to study almost sure rates of correlation decay for partially hyperbolic attractors. Using this framework, we obtain abstract results on exponential, stretched exponential and polynomial rates. then apply our small perturbations Axiom A attractors, derived from Anosov systems solenoidal attractors with intermittency.
Mechanical Heating Ventilation and Air-Conditioning (HVAC) systems account for 60% of the total energy consumption of buildings. As a sector, buildings contributes about 40% of the total global energy demand. By using passive technology coupled with natural ventilation from wind towers, significant amounts of energy can be saved, reducing the emissions of greenhouse gases. In this study, the de...
since the energy analysis considers the quantity of energy, it cannot show the performance of the cooling tower. therefore, in order to optimize the performance of the tower and also the process which the cooling tower is a part of it, it is necessary to analyze the energy and exergy of the tower simultaneously. in this paper, the energy and exergy of one of the cooling towers of khuzestan stee...
We report an outbreak comprising 50 confirmed cases of Legionnaires' disease in Edinburgh, Scotland, June 2012. In addition, there were 49 suspected cases. Epidemiological evidence suggests that a common outdoor airborne exposure occurred over south-west Edinburgh. This probably emanated from cooling towers in the north-east of the affected area, although not yet clearly linked by scientific ev...
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