نتایج جستجو برای: circulating cooling water

تعداد نتایج: 668493  

2015
Meysam Qadrdan

ions from rivers will decrease in the coming decades, unless there is widespread uptake of carbon dioxide capture and storage (CCS). CCS may prove to be essential if the UK is to achieve its carbon dioxide and greenhouse gas emission targets. ‘Decarbonisation’ strategies that rely on CCS are therefore potentially at risk of not having sufficient cooling water in periods of low river flows. In t...

Journal: :Journal of applied physiology 1999
X Xu P Tikuisis G Giesbrecht

A two-dimensional mathematical model was developed to estimate the contributions of different mechanisms of brain cooling during cold-water near-drowning. Mechanisms include 1) conductive heat loss through tissue to the water at the head surface and in the upper airway and 2) circulatory cooling to aspirated water via the lung and via venous return from the scalp. The model accounts for changes...

Abtin Ataei, Mohammad Hassan Panjeshahi Mona Gharaie

The present paper describes the designing of a thermally and economically optimum mechanical draft counter-flow wet cooling tower. The design model allows the use of a variety of packing materials in the cooling tower toward optimizing heat transfer. Once the optimum packing type is chosen, a compact cooling tower with low fan power consumption is modelled within the known design variables....

Journal: :E3S web of conferences 2021

The article discusses the installation and hydrodynamic results analysis of three-phase fluidized bed experimental studies. An energy coefficient linear dependence circulating water evaporative cooler considered type on irrigation has been experimentally established. fraction evaporated moisture in an under consideration cooled temperature at inlet to thermal processes occurring a is carried ou...

2015
W. Maartin Strauss Robyn S. Hetem Duncan Mitchell Shane K. Maloney Leith C. R. Meyer Andrea Fuller

In artiodactyls, arterial blood destined for the brain can be cooled through counter-current heat exchange within the cavernous sinus via a process called selective brain cooling. We test the hypothesis that selective brain cooling, which results in lowered hypothalamic temperature, contributes to water conservation in sheep. Nine Dorper sheep, instrumented to provide measurements of carotid bl...

2011
Michal Sikora Radek Vlach Petr Navrátil

This paper is concerned with unconventional water cooling that is primarily intended for medium-power synchronous generators. A configuration of the proposed cooling was briefly described here. A way how to estimate the main thermal resistance related to the new water cooling system was presented here. A small induction motor was selected for practical verification of the proposed cooling conce...

Journal: :iranian journal of public health 0
mohammad rafiee 1. dept. of environmental health engineering, alborz university of medical sciences , karaj, iran. alireza mesdaghinia 2. dept. of environmental health engineering, school of public health, tehran university of medical sciences , tehran, iran. homa hajjaran 3. dept. of parasitology and mycology, school of public health, tehran university of medical sciences , tehran, iran. mohammad hajaghazadeh 4. dept. of occupational health, health faculty, urmia university of medical sciences , urmia, iran. abolfazl miahipour 5. dept. of medical parasitology and mycology, school of medicine, alborz university of medical sciences , karaj, iran. mahsa jahangiri-rad 6. dept. of environmental health engineering, islamic azad university, tehran medical sciences branch , tehran, iran.

outbreaks of legionellosis may be a side effect of institution-water treatment. however, the long-term outcomes and the predictive factors of legionella prevalence in such systems have still not been fully studied. this study was therefore conducted to investigate the prevalence of legionella spp. and to evaluate the role of bacteriological water quality parameters on its prevalence and removal...

Journal: :international journal of advanced design and manufacturing technology 0
navid bozorgan nariman bozorgan

a thermodynamic analysis of the counter flow wet cooling tower (cwct) in the steelmaking unit of the khuzestan steel company (ksc) is performed in this paper. we evaluated both energy and exergy formulations for analyzing the heat and mass transfer, exergy and second-law efficiency in this cooling tower. the lewis factor le f is an indication of the relative rates of heat and mass transfer in a...

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