Academic literature on the topic 'Fire-extinguishing water'

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Journal articles on the topic "Fire-extinguishing water"

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Jian, Chen, Xu Yan Ying, and Wang Na. "The Experimental Study on the Fire Suppression Effectiveness of Water Mist with the FeCl2 Additives." Advanced Materials Research 790 (September 2013): 53–56. http://dx.doi.org/10.4028/www.scientific.net/amr.790.53.

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This paper presents an experimental study of fire suppression effectiveness with water mist containing FeCl2 additives.The investigation focuses on suppression effectiveness under various FeCl2 additives concentrations,working pressures and nozzle different height above the fire source . The experimental results show that: there is a significant impact on fire suppression effectiveness when adding FeCl2 to water mist. There is an optimum additive concentration of extinguishing fire, corresponding to the shortest extinguishing time, the least amount of water, the highest efficiency of extinguishing fire. The nozzle working pressures and nozzle position have effect on the performance of the water mist extinguishing: the greater the pressure is, the shorter water mist fire extinguishing time is. Under the same experimental conditions, the closer the water mist nozzles are to the oil pan, the shorter extinguishing time is.
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Жуйков, Д., D. Zhuykov, Н. Старков, N. Starkov, К. Руфанов, and K. Rufanov. "Enhancement of Fire-Extinguishing Agents’ Efficiency, and a New Fire- Extinguishing Substance." Safety in Technosphere 6, no. 6 (May 23, 2018): 33–37. http://dx.doi.org/10.12737/article_5af01fa96a7b95.45049521.

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A short review of problems related to fire extinguishing with the use of modern approaches by applying water and special agents has been presented. A use of stabilized water and disperse compositions as fire-extinguishing substances has been considered. A comparative analysis of different manufacturers’ modern products used for fire-extinguishing has been carried out. A new fireextinguishing agent «Firelock»® that is a combination of disperse component and stabilizer providing its favorable differences from the famous fire-extinguishing agents has been described. The problems connected with adaptation of use the new fireextinguishing agent in real practice of fire-extinguishing, and tasks for further researches have been defined.
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Xie, Zheng Wen. "Numerical Simulation and Experimental Study on Water Mist Fire Suppression for Cooking Fog Discharge Pipe." Advanced Materials Research 915-916 (April 2014): 356–61. http://dx.doi.org/10.4028/www.scientific.net/amr.915-916.356.

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FDS simulation software was used to establish the full size lampblack physics model of single wind pipe, using the orthogonal design method design of analog calculation conditions, research in the nozzle pressure, the droplet radius, nozzle, flow quantity and injection angle parameters under different conditions of water mist fire extinguishing effect. Based on a full-scale combustion and water mist fire extinguishing experiment, the water mist fire suppression was observed and test analysis etc, to better understand the flue water mist fire extinguishing feasibility, provides the theory basis for the design of efficient, reliable flue fire extinguishing system.
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Jian, Chen, Xu Yan Ying, and Wang Yan Sheng. "Experimental and Numerical Study on the Suppression of Pool Fire with Water Mist." Advanced Materials Research 790 (September 2013): 686–89. http://dx.doi.org/10.4028/www.scientific.net/amr.790.686.

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The objective of this work is to investigate the diesel analog pool fire with water mist .For this purpose, a series of water mist fire suppression experiment are carried out by changing the nozzle operating pressure, the source of fire power, opening and closing the exhaust fan to analyze the inhibitory effect of water mist to oil pool fire in the enclosed compartment of 5.0m × 5.0m × 3.0m. The results shows that extinguishing efficiency first increases and then decreases when the nozzle operating pressure increases from 8MPa to 12MPa, reaching the highest efficiency at 10MPa; increasing the power of the source of fire, the burning speed increases and the water mist fire extinguishing efficiency decreases; fresh oxygen coming in when smoke exhaust fan is turned on and water mist fire suppression efficiency decreases. Using FDS to simulate the water mist extinguishing oil pool fire, the predict temperature field and extinguishing time are basically consistent with the experimental results. In the actual applications of water mist fire suppression systems engineering, we can use the FDS field simulation methods to predict the characteristic parameters variation of the fire fighting fire temperature and component concentration, which is significant to the fire extinguishing system optimized design.
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Filippov, Ilya, Vladimir Yusupdzhanov, Olga Zybina, Ilya Klochihin, and Ekaterina Chalovskaya. "Design of Water Fire Extinguishing System for Protection of Metro Rolling Stock Stagnation Zones." EPJ Web of Conferences 248 (2021): 02006. http://dx.doi.org/10.1051/epjconf/202124802006.

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Metro rolling stock stagnation zones are quite long. This causes a number of difficulties in choosing and designing a water fire extinguishing system, as it directly affects the pressure loss in pipelines when water is supplied over such a long distance. That is why the task of this work is to design two different types of water fire extinguishing for metro dead ends and to perform hydraulic calculations, based on the results of which to choose the most suitable system for the object under study. The choice of a fire extinguishing system to ensure fire safety of dead ends of rolling stock sludge is made in the favor of the fire extinguishing system with high-pressure water spray.
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Kazakov, A. V., N. V. Smirnov, and A. V. Gladilin. "Ultrafine Spray of Gas-Water Compositions Investigation for Fire Extinguishing Systems." Occupational Safety in Industry, no. 7 (July 2021): 60–65. http://dx.doi.org/10.24000/0409-2961-2021-7-60-65.

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The analysis of information about domestic and foreign installations of the volumetric fire-extinguishing with gas-water compositions is carried out. Pneumoacoustic sprayers of original design were developed, which make it possible to obtain a gas-water composition containing fire-extinguishing gas and water droplets of the ultrafine spray (10–60 microns). It is shown that gas-water compositions combine the advantages of fire-extinguishing gas and fine-sprayed water, since the volumetric method of gas fire-extinguishing and the cooling effect of water are preserved. The deposition (movement) of drops of the gas-water composition occurs together with the fire-extinguishing gas; therefore, the gas-water composition of the ultra-dispersed spray can be conventionally considered as a whole, i.e., new extinguishing agent. It is noted that the most promising is the application of gas-water compositions in the extinguishing of solid smoldering materials. In this case, when designing domestic fire-extinguishing installations, the amount of gas can be reduced by 20% or more, and the elimination of smoldering can be achieved by cooling with water from the gas-water composition. At the same time, the fire-extinguishing environment suitable for breathing for at least 3 minutes is formed in the room. The influence of gas in the gas-water composition on the dispersion of water droplets is studied. The sedimentation rate of water droplets in the gas-water composition was estimated. The droplet dispersion was measured by laser diffraction using the Malvern Spraytec system. It is shown that the substitution of nitrogen for argon or gas composition Argonite in the gas-water composition does not significantly affect the dispersion of droplets. Sedimentation of ultrafine spray water droplets in the volume of the room occurs within a few minutes. Nitrogen has the best characteristics for use in the gas-water compositions. Conducted studies make it possible to conclude that the installations based on domestic gas-water compositions allow for import substitution of the foreign analogues certified in Russia.
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Ivchenko, Ol'ga, and Kirill Pankin. "TESTS OF FIRE EXTINGUISHING ABILITY OF ALUMINUM HYDROGEL WHEN EXTINGUISHING MODEL NATURAL GROUND FIRES." Forestry Engineering Journal 10, no. 1 (April 6, 2020): 38–49. http://dx.doi.org/10.34220/issn.2222-7962/2020.1/4.

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Extinguishing natural fires largely depends on the effective use of fire extinguishers by firefighters. Nevertheless, there are objective limits to the fire extinguishing ability of known substances and materials, which cannot be overcome by either tactical or technological methods. In the work, a method for extinguishing ground fires using aluminum hydrogels with different concentrations as fire extinguishing compositions is proposed, which makes it possible to simultaneously realize three extinguishing methods: cooling, insulation, and combustion inhibition. Investigation of fire extinguishing ability of the selected fire extinguishing compositions has been carried out according to a specially developed technique that simulates formation and development of ground natural fire in experimental plots. Extinguishing efficiency was assessed by comparing the results of the total cost of extinguishing agents to a unit of length of the edge of the fire and a unit of area of the fire. It was shown that the best fire extinguishing ability has an aqueous solution of aluminum hydrogel with a concentration of 3.5-7 g/l. Fire extinguishing ability of aluminum hydrogels was investigated. The obtained results were compared with the fire extinguishing ability of water and aqueous solutions of sodium carbonate (soda) and sodium sulfate. The use of other aqueous solutions (soda and sodium sulfate) has not shown significant contribution to fire extinguishing. Therefore, fire extinguishing effect is completely due to the chemical composition and physical and chemical properties of aluminum hydrogel. Based on the data obtained, aluminum hydrogel costs per unit length and area of the fire, its lowest concentration, which retains the fire extinguishing effect and the technological conditions for its preparation and use, have been determined
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Leng, Ning Bo, Shun Xi Wang, and Pei Han. "Development of New Fire Extinguishing Agent for Grassland." Advanced Materials Research 550-553 (July 2012): 62–70. http://dx.doi.org/10.4028/www.scientific.net/amr.550-553.62.

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Selecting ammonium dihydrogen phosphate of ultra-fine processing and surface modification as the main agent of fire extinguishing agent, mica powder, activated clay, talc, calcium carbonate as an inert filler, ND1 as additive, developed specifically for the grassland fire characteristics of ultra-fine dry powder fire extinguishing agent grassland; tested the moisture absorption rate, water repellency, bulk density and fluidity and other technical indicators; using quadrat grassed ignition method on new grassland fire extinguishing agent research the fire extinguishing efficiency and cost.
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Gurchumelia, Lali, Murman Tsarakhov, Salome Tkemaladze, Feliks Bejanov, and Lasha Tkemaladze. "Production and Performance Evaluation of Noble Fire Extinguishing Foam Suspensions Using Locally Available and Environmentally Friendly Natural Mineral Raw Materials." Chemical Engineering Research Bulletin 21, no. 1 (June 4, 2020): 58–64. http://dx.doi.org/10.3329/cerb.v21i1.47372.

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The main goal of this research is the fabrication of halogen free, environmentally friendly fire-extinguishing powders using local mineral raw materials and the development of technological processes for producing highly efficient fire-extinguishing foam-suspensions on the basis of the produced powders. Fire-extinguishing powders are made by mechanical treatment and mixing of raw materials: zeolite, clay shale, perlite and ammophos. The process does not need introduction of expensive, halogen-containing, hydrophobizators and ensures the cost-effective production of fire-extinguishing powders. The obtained fire-extinguishing powders are characterized by high performance properties, high fire-extinguishing capacity and coefficient of atomic oxygen recombination. Thus, they are characterized both by homogeneous and heterogeneous inhibition of combustion processes. The efficiency of the produced powders is not inferior to that of standard powders of common production. In addition, in contrast to their traditional analogs they are halogen free, environmentally friendly and cheaper (1.2-2 times cheaper). The obtained powders, unlike the ones of conventional production, have good compatibility with water and foam. Our foam-suspensions are prepared just by mechanical mixing of fire-extinguishing powders with water and surface-active substances – foamers. The process does not require chemical treatment of materials. Thus, the developed technology is simple and cost-effective. The foam-suspensions produced on the basis of the obtained powders have higher heat capacity, permeability, wetting effect like water and foam and unlike them, they allow for homogeneous as well as heterogeneous inhibition of the burning process. Thus, the so produced foam-suspensions will have higher extinguishing effect than water, foams or powders, taken separately. Based on the above, it can be suggested that the produced powders can be used for extinguishing all types of fires, including large-scale ones in a combination with water and foams. Chemical Engineering Research Bulletin 21(2019) 58-64
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Gałaj, Jerzy, and Tomasz Drzymała. "Assessment of extinguishing efficiency of hybrid system using water mist and inert gas during class A fires." MATEC Web of Conferences 247 (2018): 00013. http://dx.doi.org/10.1051/matecconf/201824700013.

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Fixed hybrid fire extinguishing system, a new technology used in fire protection all over the world in the last years, was discussed. A four-head twin pipe system supplied with water mist and inert gas (air or nitrogen) was applied. A pile of 50 pine wood boards was used as a combustible material (class A fire). It was located in the corner of the compartment while the nozzles were mounted symmetrically in the centre (volume suppression). The extinguishing processes differing in the proportion of water mist to gas were analysed. The extinguishing time was taken as the most important parameter indicating the extinguishing efficiency. The impact of water flow on extinguishing process was discussed. The clear dependence of extinguishing time on the water/gas ratio was proven. The best performance of the hybrid system at water flow 3 dm3/min and nitrogen as inert gas was observed. The results obtained during experiments can be useful in developing new international standards e.g. NFPA.
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Dissertations / Theses on the topic "Fire-extinguishing water"

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Iverfelt, Ulrika. "Släckvattenpartiklars spridning i mark och grundvatten : En studie av brandgenererade partiklars egenskaper och påverkan på föroreningsspridning." Thesis, Uppsala universitet, Luft-, vatten och landskapslära, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-225116.

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Vid brand kan stora mängder med förorenande ämnen och partiklar bildas. Dessa kan, vid släckning av brand med vatten, ge upphov till kontaminerat släckvatten. För att förstå och kunna förutsäga föroreningsspridningen från släckvatten i mark och grundvatten krävs det att släckvattenpartiklars inverkan på föroreningsspridning utreds. Syftet med detta arbete var att öka kunskapen om de kemiska och fysiska egenskaper partiklar i släckvatten uppvisar samt hur partikelegenskaperna påverkar föroreningstransport i vattenmättad mark och grundvatten. Studien har genomförts i form av en fallstudie där släckvattenpartiklar från en enskild brand har undersökts. Utifrån partikelegenskaper finns två mekanismer som kan räknas som styrande för partikeltransport i mark och grundvatten: fysiokemiska partikel- och ytinteraktioner samt silning. Mekanismernas inverkan på partikeltransporten beror bland annat på partiklarnas ytladdning och storlek. För att undersöka släckvattenpartiklarnas egenskaper utfördes analyser av partiklarnas storleksfördelning och zetapotential. För att förstå hur partiklarna påverkade föroreningsspridningen analyserades koncentration polycykliska aromatiska kolväten (PAH) och metaller. Utifrån dessa mätningar genomfördes kolonnförsök där släckvattenpartiklar transporterades genom kiselsand. Resultaten visade att medelvärdet för släckvattenpartiklarnas zetapotential var negativ. Släckvattenproverna som undersöktes innehöll höga koncentrationer av PAH och metaller. Då partiklarna filtrerades till två storleksfraktioner, större och mindre än 11 µm, återfanns högst koncentration PAH och metaller i släckvatten med partiklar > 11 µm. I kolonnförsöken transporterades partiklar med diameter ≤ 11 µm genom kiselsand medan större partiklar permanent immobiliserades. Mätningarna och transportförsöken indikerar att partiklar ≤ 11 µm, i mark med liknande egenskaper och förhållanden som under kolonnförsöken, skulle kunna transporteras utan påverkan av fysiokemiska partikel- och ytinteraktioner. Den avgörande mekanismen för partikeltransport av partiklar med en diameter ≤ 11 µm i vattenmättad mark och grundvatten skulle då vara silning. Släckvattenpartiklarnas transport och på så sätt föroreningsspridningen blir då beroende av markens porstorlek samt partiklarnas diameter. Transportförsöken för partiklar > 11 µm pekade på att fysiokemiska partikel- och ytinteraktioner och/eller silning permanent immobiliserade de större partiklarna. Vid immobilisering av de större partiklarna skulle föroreningsspridning kunna begränsas. För att skapa en fullständig bild över vilka mekanismer som styr släckvattenpartiklarnas transport och på så vis föroreningsspridning under olika förhållanden behöver vidare undersökningar genomföras.
A fire can generate large amounts of toxic compounds and particles. When a fire is extinguished with water these compounds and particles can be transferred to the water, generating contaminated fire-extinguishing water. To understand and predict contamination transport from fire-extinguishing water in soil and groundwater the effect of fire generated particles on contamination transport needs to be understood. The aim of this study was to increase the knowledge of the chemical and physical properties of particles in fire-extinguishing water and to examine how these properties effect contamination transport in soil and groundwater. The study was conducted as a case study where fire-extinguishing water from a single fire was examined. Considering particle properties, particle transport in soil and groundwater is regulated by two main mechanisms: physicochemical particle-surface interactions and straining. How the mechanisms effect the transport is controlled by, among other things, the surface charge of the particles and the size of the particles. To understand particle properties analysis of the size distribution and zeta potential were conducted. To understand how the particles influenced contamination transport concentrations of polycyclic aromatic hydrocarbons (PAH) and metal were measured. Column experiments were then conducted with the characterized particles. The results showed that the particles zeta potential was negative. The fire-extinguishing water contained high concentrations of metals and PAH. When the particles were filtrated into two sizes, larger and smaller than 11 um, the highest concentration PAH and metals were found on the larger particles. In the column experiment particles ≤ 11 µm were transported through the sand while larger particles were immobilized. The measurements and the transport experiments indicate that particles ≤ 11 µm, in soil with similar properties as in the column experiment, could be transported without influence of physicochemical particle-surface interactions. The main mechanism for particle transport for particles with a diameter ≤ 11 µm would then be straining. That means that the transport of particles and therefore contamination transport would depend on particle size and soil pore size. The transport experiment with particles > 11 µm indicated that physicochemical particle-surface interactions and/or straining immobilized larger particles. If larger particles are immobilized the contamination spreading would be limited. To fully understand what mechanism controls the transport of particles in fire-extinguishing water, and therefore the contamination transport, more studies need to be conducted.
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Yu-Ming, Chang, and 張育銘. "Evaluating Fire Extinguishing Performance of Backpack Water Mist System." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/91151170387596584734.

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碩士
中臺科技大學
安全與防災科技研究所
101
During the early stage of fire, portable fire extinguishers are the most commonly used. But considering its portability and operability, the extinguishing agent is limited. In general, the operating time of extinguisher is about 10 to 30 seconds. If considered fire control, the fire extinguishing time is too short to extinguish a fire. At present, the commonly used types of portable fire extinguishers in Taiwan are dry powder, foam, carbon dioxide gas extinguishers and the halon alternatives, those types of extinguishers have the environmental and health concerns. In contrast, backpack water mist system could operate longer (1 to 3 minutes), and without the environmental problems. While water mist released, the fire source temperature was reduced, which prevented reigniting the fire and could protect personal safety. In this study, a series of real field fire tests were hold to evaluate the backpack water mist extinguishing system characteristics and performance. Experimental results showed that backpack water mist fire extinguishing system has good efficiency on class A and B fire. The self-designed extinguishing mist nozzle performed better than A-brand nozzle. While the additive is added into the mist, the efficiency of backpack water mist is obviously improved.
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CHU, CHEN PAO, and 陳寶珠. "Investigation on Effectiveness of Water Mist Fire Extinguishing System on Wet Bench." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/28728435550951370026.

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碩士
國立交通大學
工學院碩士在職專班產業安全與防災學程
95
The occurrences of the fire accident of Advanced Semiconductor Engineering Inc. (ASE Inc.), explosion accident of Motech Industries Inc. and gas explosion accident of Tuntex Distinct Corp. in recent years reveals that there still exists a lot of room for improvement in preventing fire and explosion incident from occurring inside the plants or fabs for the industrial circles. In addition, according to the experiences of fire accidents that previously occurred in electronic companies, such as Winbond, UICC, Advanced Microelectronic Products Inc. etc., it shows that the key for preventing hazardous occurrence is aiming at the characteristics of production process and contents inside the plant or fab with systematically sieving out. It recognizes the condition and consequence of major potential hazardous events, as well as uses the application of engineering tools to conduct the simulation and analysis to the occurring course of accidents. After that it can apply the analyzed results as the basis for carrying out the engineering improvement and establishing the emergency response system. Thus, it is able to reduce the occurring seriousness and scale of the hazardous events to the minimum level. Currently, while we’re experiencing the economic depression, the occurrence of unexpected accidents may cause enterprises to mistakenly lose many business opportunities and that will result in enormous loss to our economic development; therefore, the effective fire risk control and the complete planning of disaster prevention system become more important. The construction cost of high-tech plants and fabs is very expensive, and most manufacturing process equipment is the high-tech apparatus or machinery equipment specifically produced for related manufacturing process; in addition, various types and large volume of chemicals are used inside the plants and fabs, thus it is relatively important for the fire prevention and management. This work adopts the hazard risk as its core concept and along with the approaches of risk assessment to identify the machinery equipment with higher risk in the high-tech plants and fabs (LED plants/fabs) as the main subject of fire prevention. Furthermore, after implemented the a series of risk assessment and reviewed the historic experiences, it found that due to its manufacturing process characteristics, the cleaning solution used in wet bench usually is flammable and it usually operates along with heat source; therefore, the fire risk of wet bench is enormously high. Additionally, in order to prevent the metal corrosion, the machinery part of wet bench is usually made of plastic case, which contains a high fire load; as a result, the web bench has become the hazardous source with higher fire risk for semiconductor fabs commonly. According to the statistical data of FM (1977-1997), the highest occurring frequency of the accident inside the semiconductor fabs is the wet bench. As a result, in this work, the subject is focused on the wet bench and conducts an investigation on the application of water mist system to the fire extinguishing efficiency and feasibility for the wet bench.
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Han, Wei-Cheng, and 韓委成. "The experimental studies of the cooking oil fire by water mist fire extinguishing system with additives." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/86283400356339079991.

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碩士
國立雲林科技大學
機械工程系碩士班
100
The characteristics of the cooking oil determine the effect of water mist fire extinguishing system with additives.The study show they burned at high temperature and re-ignited easily due to changes in oil composition during heating and fire suppression.The water mist systems control the fire effectively in extinguishing cooking oil fires and prevented them from re-ignition, offer the reference for water mist in extinguishing cooking oil fire. The study use the experiment and theory,a series of full-scale experiments were conducted to study extinguishing mechanisms and effectiveness of water mist against cooking oil fires.The effect of water mist characteristics, such as spray angle, flow rate ,droplet size,discharge pressure,the different composition of then to study the effect.A series of oil splash experiments were also conducted to determine if the oil was splashed by water mist.The extinguish time and the variation of temperature chart also to study the effect.Besides,we build the kitchen equipment,use the manual control or automation to spray the agent from the fire extinguisher,serve its purpose.
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LI, CHIH-HSIANG, and 李智翔. "Study on the Benefits of Fire Extinguishing with Water Added Dry Ice for Water Saving Efficiency." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/e9t6tp.

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碩士
弘光科技大學
環境工程研究所
107
In this study, generally inspiration point of extinguishing water, the water was found to flow characteristics of the liquid, is limited to a single point endotherm fire source, the elapsed time after the increase of the water, the resurgence of the fire temperature for an easy to consume a large amount of water, secondary water damage, the water pollution problem, to solve this phenomenon and the need to enhance the effec-tiveness of fire suppression effectiveness of water-saving, low-temperature fire extinguishing agent and therefore add, the choice of the very low temperature of dry ice as solid state and with additives. In this study, the resurgence of the timber is easy to fire as a target for angry, smoldering type, water analysis, two fire-fighting properties of dry ice, dry ice pellets to explore and analyze the size and parameters of the fire with dry ice water changes, this parameter is the same as the wa-ter and Modules of extinguishing fire on bases, with the control group (fire water), investigate the best water ice than the extinguishing efficien-cy, achieve optimum water and ice with the fire conditions, compared with the performance of the provincial water consumption of water. The study found that water in fire ignition temperature( 500 oC ~700 oC) can effectively cool, in a dry ice smoldering fire temperature( 100 oC ~500 oC) than water will fire, can be shortened by about 4 minutes extinguishing time, when the dry ice pellets to extend the size of 1 ~2 cm when volatilized time, to enhance the extinguishing effect, and do not mix at 500 oC less water is sprinkled into the fire extinguishing embodiment, can reduce the amount of extinguishing water, the effectiveness of saving. Experiments also found that the higher amount of dry ice with ice water and fire, extinguishing efficiency the better; when the water ice (extinguishing water) ratio of extinguishing time of 25 minutes was 5.833, the extinguishing time of 26.5 minutes, compared with the control group, extinguishing efficiency presents poor phenomenon. Amount of dry ice to 9 kg, water ice than 0.8333 extinguishing water is 5 L, extinguishing time of 7.5 minutes compared to the control group (extinguishing water) extinguishing water 20 L, water consumption can be reduced 4-fold, 3-fold extinguishing time. Put out the fire with water and ice, can significantly enhance the ef-fectiveness of fire, and water-saving performance of the fire, the fire ef-fectively reduce the water now easy to produce secondary disasters water damage, the disaster a lot of harm indirectly reduce sewage pollution of the environment. Keywords: fire, burning, temperature, save water, fire, water, dry ice
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Fu, Ping-Kun, and 傅炳坤. "The Performance Evaluation of Portable Water Mist Fire Extinguishing System with Additive on Pool Fires." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/35652318517520423644.

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碩士
國立交通大學
機械工程系所
95
A series of tests subjected to various discharge methodologies and fire scenarios are carried out based on a portable water mist fire extinguishing system with additive on pool fires. Different fuel types, nozzle discharge angles, additive solution volumes, amount of fuels and cross-section area of pans are selected as the major experimental parameters. The fuels used are heptane, gasoline, and diesel, the nozzle discharge angles are 30°, 45°, and 60° with respect to the horizon, and the additive solution volumes are 0%, 3%, 6% and 10%. The amounts of fuel used are 250ml, 500ml and 1000ml, and the diameters of pan are 25cm and 50cm. The dominant mechanisms of restraining fire in the higher nozzle discharge angle regime (>45�a) are flame cooling and oxygen-displacement, and in the lower one (<45�a) are fuel vapors blocking and dilution. The portable water mist fire extinguishing system used has a good ability for radiation attenuation and temperature reduction that can provide a good protection for the operators. By using water mist with additive, the fire extinguishing efficiencies are significantly improved. However, if too much additive is provided, the fire extinguishment efficiency will decrease. The tendencies of the fire extinction times for different amount of fuel in a size-fixed pan are similar. Although the situation of non-uniform fuel surface resulted from water mist impingement slightly reduces the burning rate, it can be ameliorated as the height of liquid fuel attains at 1cm. In the tests with fixed fuel height, the results of 50cm diameter pan different to the ones of 25cm diameter since the interactions of its poorer mist coverage, weaker mist jet rebound and more mist reaching. The fire extinguishing efficiency is not only influenced by mist effects but also by additive ones. Therefore, there must be an optimal mixing ration between the mist and additive for fire suppression.
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Ze, Lee An, and 李安澤. "The Extinguishment Performance of Water Mist Fire Extinguishing System with Additives in B-Type Fires." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/686dw8.

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碩士
長榮大學
職業安全與衛生學系碩士班
98
Waster mist suppression system was applied to extinguish different size fire by using different pressure of 35 kgf/cm2, 20 kgf/cm2, 10 kgf/cm2, 5 kgf/cm2 in a confined space with natural and forced ventilation . The fire can’t be extinguished when shield area is over 64% of overall pool surface. The water mist is hard to entrain into the fire for higher shield area on the poll surface. The higher pressure of the system can easily extinguish the fire but 10 kgf/cm2 and 5 kgf/cm2 of the system can’t put out the fire of 2 ft pan. The water mist momentum is too small to through the fire plane to reach the base of the fire. The water mist with additives can easily suppress the fire even the fire shied area is over 70%. The additives of foam will play a very important role in the mechanism of water mist system. A 1 kgf/cm2 pressure of sprinkler system can’t extinguish the 1.5 ft pan fire, but a water mist can put out this fire very easily.
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CHANG, LI-HSIEN, and 張禮賢. "A Case Study of the Water Mist Fire Extinguishing Systems For a Hot Rolled Steel Plant." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/2kk74c.

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碩士
吳鳳科技大學
消防研究所
104
Water mist fire extinguishing systems in engineering practice examples have less available for analysis, the paper work for a hot-rolled steel plant of the hydraulic oil chamber of the water mist fire extinguishing system design, construction, testing and agreement; Through Entity brazier fire testing and FDS computer simulation results show that water mist systems for the oil fire machine chamber can achieve cooling effect of fire. this paper as a case study of water mist design and construction on the key points to provide a reference in the future.
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Books on the topic "Fire-extinguishing water"

1

Blakely, Aylmer D. Combustion recovery of flaming pine needle fuel beds sprayed with water/MAP mixtures. [Ogden, Utah]: U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1990.

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Blakely, Aylmer D. Combustion recovery of flaming pine needle fuel beds sprayed with water/MAP mixtures. [Ogden, Utah]: U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1990.

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Nugent, David P. International Foam-Water Sprinkler Research Project technical report. Quincy, Mass: National Fire Protection Research Foundation, 1992.

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Effects of Ship Compartment Hydrocarbon Fuel Fire and Water Mist Fire Extinguishing on RF Propagation in the 2.4 GHz ISM Band. Storming Media, 1999.

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The 2006-2011 World Outlook for Hand-Portable and Fixed-System Fire Extinguishing Equipment, Parts, and Attachments Excluding Water Sprinkler Systems. Icon Group International, Inc., 2005.

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Parker, Philip M. The 2007-2012 World Outlook for Hand-Portable and Fixed-System Fire Extinguishing Equipment, Parts, and Attachments Excluding Water Sprinkler Systems. ICON Group International, Inc., 2006.

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Parker, Philip M. The 2007-2012 Outlook for Hand-Portable and Fixed-System Fire Extinguishing Equipment, Parts, and Attachments Excluding Water Sprinkler Systems in India. ICON Group International, Inc., 2006.

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The 2006-2011 World Outlook for Parts and Attachments for Hand-Portable and Fixed-System Fire-Extinguishing Equipment Excluding Water Sprinkler Systems. Icon Group International, Inc., 2005.

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Parker, Philip M. The 2007-2012 World Outlook for Parts and Attachments for Hand-Portable and Fixed-System Fire-Extinguishing Equipment Excluding Water Sprinkler Systems. ICON Group International, Inc., 2006.

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Parker, Philip M. The 2007-2012 Outlook for Hand-Portable and Fixed-System Fire Extinguishing Equipment, Parts, and Attachments Excluding Water Sprinkler Systems in Japan. ICON Group International, Inc., 2006.

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Book chapters on the topic "Fire-extinguishing water"

1

Chung, Kee-Chiang, Yu-Chia Chen, Wei-Cheng Han, and Ming-Yuan Lei. "The Experimental Studies of the Cooking Oil Fire by Water-Mist Fire-Extinguishing System with Additive." In The Proceedings of 11th Asia-Oceania Symposium on Fire Science and Technology, 781–89. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-32-9139-3_57.

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Zhang, Dongfang. "Feasibility Study on Using Seawater in Ship Pressure Water Mist Fire Extinguishing System." In Data Processing Techniques and Applications for Cyber-Physical Systems (DPTA 2019), 461–69. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-1468-5_57.

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Liu, Hao, Tianwei Zhang, Dengyou Xia, and Qiang Liang. "Experimental Study on Effectiveness of Water Mist Containing Potassium Salts in Extinguishing Liquid Pool Fire." In The Proceedings of 11th Asia-Oceania Symposium on Fire Science and Technology, 649–65. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-32-9139-3_47.

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Luo, Tinade, Jing Qiao, and Beihua Cong. "The Application and Experiment of High- Pressure Water Mist Fire Extinguishing System in the Tobacco Industry." In Proceedings of the Second International Conference on Mechatronics and Automatic Control, 1197–207. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-13707-0_133.

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"Experimental analysis of the feasibility of polydisperse droplet water flow using at fire extinguishing." In Environmental Protection and Sustainable Ecological Development, 219–22. CRC Press, 2015. http://dx.doi.org/10.1201/b18507-37.

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Yao, Kai, Wanfu Liu, Weiping Han, Jianjun Xia, Ya Liu, and Shengyuan Zhong. "An experimental study on the fire extinguishing characteristics of water mist and compressed air foam in a railway tunnel rescue station." In Electromechanical Control Technology and Transportation, 497–502. CRC Press, 2017. http://dx.doi.org/10.1201/9781315158570-91.

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Conference papers on the topic "Fire-extinguishing water"

1

Cheng, Yanying, Chunjie Mou, Ke Chen, Hui Bai, Yu Liu, and Yuchun Zhang. "Experimental Study on Fire Extinguishing Effect of Water-based Fixed Fire Extinguishing System in full-Scale Bus Cabin." In 2019 9th International Conference on Fire Science and Fire Protection Engineering (ICFSFPE). IEEE, 2019. http://dx.doi.org/10.1109/icfsfpe48751.2019.9055834.

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Li, Shuchao, Dongxing Yu, Zongyu Ling, and Wei Ding. "The Application of Water Mist Fire Extinguishing System in Bus." In 2019 9th International Conference on Fire Science and Fire Protection Engineering (ICFSFPE). IEEE, 2019. http://dx.doi.org/10.1109/icfsfpe48751.2019.9055783.

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Yan, Mingqiang, Zejiang Zhang, Wei Liu, Yaqiang Jiang, Pingli Li, and Meng Yang. "Tunnel Fire Suppression Tests with Water Mist Fire Extinguishing System Containing an Additive." In 2019 9th International Conference on Fire Science and Fire Protection Engineering (ICFSFPE). IEEE, 2019. http://dx.doi.org/10.1109/icfsfpe48751.2019.9055853.

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Sun, Yicheng, Wu Chuanping, Hua Leng, Liang Ping, and Haibo Huang. "Research on Reliability of Transformer Water Mist Fire Extinguishing Device." In 2019 IEEE 3rd Conference on Energy Internet and Energy System Integration (EI2). IEEE, 2019. http://dx.doi.org/10.1109/ei247390.2019.9061971.

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Dubinin, Dmytro, Yevhen Krivoruchko, and Andrii Lisniak. "RESEARCH OF CREATION OF FINE DISPERSED WATER JET FOR FIRE EXTINGUISHING." In ADVANCED DISCOVERIES OF MODERN SCIENCE: EXPERIENCE, APPROACHES AND INNOVATIONS. European Scientific Platform, 2021. http://dx.doi.org/10.36074/logos-09.04.2021.v1.44.

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Ka¨a¨ria¨inen, Jaakko S. "High Pressure Water Mist Fire Protection Systems." In ASME Turbo Expo 2007: Power for Land, Sea, and Air. ASMEDC, 2007. http://dx.doi.org/10.1115/gt2007-27723.

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Traditionally the industrial gas turbines have been protected with gaseous systems like CO2 or Halon. These systems depend much on the enclosure integrity because the concentration of the extinguishing media has to be kept on a certain level for a certain time. The enclosure integrity has to be tested periodically, and this often causes high maintenance costs. Most gaseous systems are dangerous to people. The enclosure has to be evacuated prior to discharge. This procedure takes typically 2-20 minutes. High pressure water mist fire protection technology provides a reliable system, which is not depending on enclosure integrity. Actually the testing of these systems has been done with the enclosure door open. Water mist systems are safe to personnel. They can be released immediately after the fire has been detected.
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Bao, Fei, and Yuling Hu. "The high pressure water mist fire extinguishing system based on Anylogic modeling." In 2016 Chinese Control and Decision Conference (CCDC). IEEE, 2016. http://dx.doi.org/10.1109/ccdc.2016.7532134.

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Zhu, De-Ming, Jian-Yong Liu, Yuan Yu, and Dong Liang. "Experimental Study on Total Flooding Extinguishing Test by New Ultra-fine Water Mist Fire Extinguisher Extinguishing Combustion of Paper." In 2014 7th International Conference on Intelligent Computation Technology and Automation (ICICTA). IEEE, 2014. http://dx.doi.org/10.1109/icicta.2014.68.

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Galla, Stefan. "EXPERIMENTAL COMPARISON OF THE FIRE EXTINGUISHING PROPERTIES OF THE FIRESORB� GEL AND WATER." In 17th International Multidisciplinary Scientific GeoConference SGEM2017. Stef92 Technology, 2017. http://dx.doi.org/10.5593/sgem2017/51/s20.058.

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Hui, James, Dicken Wu, Tony Chiu, Melvyn Thong, Kwee Chew Lim, and Boon Tong Tan. "Water Mist Fire Extinguishing System for Underground Transformer Rooms for Singapore Rapid Transit System." In World Urban Transit Conference 2010. Singapore: Research Publishing Services, 2010. http://dx.doi.org/10.3850/978-981-08-6396-8_t3-01.

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Reports on the topic "Fire-extinguishing water"

1

Beason, D. G., and K. J. Staggs. The development and evaluation of water-mist fire extinguishing systems. Office of Scientific and Technical Information (OSTI), August 1994. http://dx.doi.org/10.2172/10182811.

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Lebaric, Jovian, Christos Deyannis, and Dimitrios Xifaras. Effects of Ship Compartment Hydrocarbon Fuel Fire and Water Mist Fire Extinguishing on RF Propagation in the 2.4 GHz ISM Band. Fort Belvoir, VA: Defense Technical Information Center, July 1999. http://dx.doi.org/10.21236/ada410522.

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