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Artykuły w czasopismach na temat "Liquid storage tank"

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Jing, Wei, Huan Feng i Xuansheng Cheng. "Dynamic Responses of Liquid Storage Tanks Caused by Wind and Earthquake in Special Environment". Applied Sciences 9, nr 11 (11.06.2019): 2376. http://dx.doi.org/10.3390/app9112376.

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Based on potential flow theory and arbitrary Lagrangian–Eulerian method, shell–liquid and shell–wind interactions are solved respectively. Considering the nonlinearity of tank material and liquid sloshing, a refined 3-D wind–shell–liquid interaction calculation model for liquid storage tanks is established. A comparative study of dynamic responses of liquid storage tanks under wind, earthquake, and wind and earthquake is carried out, and the influences of wind speed and wind interference effect on dynamic responses of liquid storage tank are discussed. The results show that when the wind is strong, the dynamic responses of the liquid storage tank under wind load alone are likely to be larger than that under earthquake, and the dynamic responses under wind–earthquake interaction are obviously larger than that under wind and earthquake alone. The maximum responses of the tank wall under wind and earthquake are located in the unfilled area at the upper part of the tank and the filled area at the lower part of the tank respectively, while the location of maximum responses of the tank wall under wind–earthquake interaction is related to the relative magnitude of the wind and earthquake. Wind speed has a great influence on the responses of liquid storage tanks, when the wind speed increases to a certain extent, the storage tank is prone to damage. Wind interference effect has a significant effect on liquid storage tanks and wind fields. For liquid storage tanks in special environments, wind and earthquake effects should be considered reasonably, and wind interference effects cannot be ignored.
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Waghmare, M. V., S. N. Madhekar i V. A. Matsagar. "Nonlinear Seismic Analysis of RC Elevated Liquid Storage Tanks". Proceedings of the 12th Structural Engineering Convention, SEC 2022: Themes 1-2 1, nr 1 (19.12.2022): 1785–90. http://dx.doi.org/10.38208/acp.v1.719.

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Liquid storage tanks are strategically important due to their essential requirement of service in the post-earthquake situation. Numerical modeling of the liquid storage tank needs special attention and cannot be done in the same manner as that of the conventional buildings. In the present paper, a numerical simulation of the RC elevated liquid storage tank is presented. The staging of the tank is modeled as a multi-degree freedom system, and the container with contained liquid is modeled as a two-mass system. Free vibration analysis of the tank is carried out, and mode shapes are extracted. Further, to study the seismic response of the tank, nonlinear time history analysis is carried out. The tank is subjected to time histories of real earthquake ground motions. The varying level of the liquid in the container is another characteristic feature of tanks. The filled condition of the tank is taken into account by considering the aspect ratio (S), defined as the ratio of height of the liquid to the radius of the container. The response of the tanks with two different aspect ratios viz. 0.5 (broad) and 2.0 (slender) is studied. The linear modal analysis also carried out to understand the significance of nonlinear analysis, particularly in liquid storage tanks. Displacement, velocity, and acceleration response at the bracing levels, as well as at container levels, are obtained. Additionally, the base shear response is also obtained. The effect of aspect ratio on the free vibration analysis and the seismic response of the tanks are presented. Liquid storage tanks are special structures that have typically low fundamental natural frequencies. The nonlinear time history response of the tank showed that the higher displacement and velocity response occurs at the convective level. It is found that the linear modal analysis significantly underestimates the response of the liquid storage tank.
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Zhang, Yuan, i You Hai Guan. "Seismic Response Analysis of Large Liquid Storage Tanks". Applied Mechanics and Materials 166-169 (maj 2012): 2490–93. http://dx.doi.org/10.4028/www.scientific.net/amm.166-169.2490.

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Due to frequent earthquakes in recent years, the seismic safety of large storage tank is very important. In this paper, seismic response of large liquid storage tanks is analyzed. A model for liquid storage tank is established firstly. By modality analysis, dynamic behavior of large storage tank is obtained. After the model is excitated by seismic, seismic responses are obtained. The conclusions show that, without considering liquid-solid coupling, "elephant foot" buckling phenomenon doesn’t appear. This study provides reference for seismic design and seismic performance study of large storage tank.
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Chen, J. Z., i M. R. Kianoush. "Generalized SDOF system for dynamic analysis of concrete rectangular liquid storage tanks: effect of tank parameters on response". Canadian Journal of Civil Engineering 37, nr 2 (luty 2010): 262–72. http://dx.doi.org/10.1139/l09-132.

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This paper presents the results of parametric studies on the seismic response of concrete rectangular liquid storage tanks using the generalized single-degree-of-freedom (SDOF) system. The effects of height of liquid and width of tank on the dynamic response of liquid storage tanks are investigated. The liquid level varies from the empty condition to a full tank. Also, instead of the commonly used ratio of width of tank to liquid height, Lx/HL, the ratio of width of tank to full height of the tank wall, Lx/Hw, is used as a characteristic parameter of tanks to study the effect of tank size on the dynamic response. The trends of added mass of liquid, effective height, and natural frequencies for different sizes of tanks are established. The values of the added mass of liquid due to impulsive hydrodynamic pressure and the effective height in the relationship with the ratios Lx/Hw and HL/Hw are determined and can be used in the seismic design of liquid storage tanks. Since the natural frequencies of liquid-containing structures are within a band of frequencies between that of a full tank and that of an empty tank, the recommended frequency to be used in the design of the tank wall is the frequency that causes the maximum dynamic response .
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Rammerstorfer, Franz G., Knut Scharf i Franz D. Fisher. "Storage Tanks Under Earthquake Loading". Applied Mechanics Reviews 43, nr 11 (1.11.1990): 261–82. http://dx.doi.org/10.1115/1.3119154.

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This is a state-of-the-art review of various treatments of earthquake loaded liquid filled shells by the methods of earthquake engineering, fluid dynamics, structural and soil dynamics, as well as the theory of stability and computational mechanics. Different types of tanks and different possibilities of tank failure will be discussed. We will emphasize cylindrical above-ground liquid storage tanks with a vertical axis. But many of the treatments are also valid for other tank configurations. For the calculation of the dynamically activated pressure due to an earthquake a fluid-structure-soil interaction problem must be solved. The review will describe the methods, proposed by different authors, to solve this interaction problem. To study the dynamic behavior of liquid storage tanks, one must distinguish between anchored and unanchored tanks. In the case of an anchored tank, the tank bottom edge is fixed to the foundation. If the tank is unanchored, partial lifting of the tank’s bottom may occur, and a strongly nonlinear problem has to be solved. We will compare the various analytical and numerical models applicable to this problem, in combination with experimental data. An essential aim of this review is to give a summary of methods applicable as tools for an earthquake resistant design, which can be used by an engineer engaged in the construction of liquid storage tanks.
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Saha, Sandip Kumar, Vasant A. Matsagar i Arvind K. Jain. "Earthquake Response of Base-Isolated Liquid Storage Tanks for Different Isolator Models". Journal of Earthquake and Tsunami 08, nr 05 (grudzień 2014): 1450013. http://dx.doi.org/10.1142/s1793431114500134.

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The effect of different isolator parameters on earthquake response of base-isolated liquid storage tanks is investigated herein. Mechanical analog, with three lumped masses, is used to model ground supported base-isolated liquid storage tank, and analyzed for recorded earthquake ground accelerations. The nonlinear force–deformation behavior of the isolator is mathematically modeled in two different ways, represented by (a) equivalent linear elastic-viscous and (b) bi-linear hysteretic behaviors. The equations of motion for the base-isolated tank are derived and solved in the incremental form using Newmark's step-by-step method of integration. Two different configurations of liquid storage tank (i.e. broad and slender) are considered to show the effect of the equivalent linear and bi-linear modeling of the isolator on the important earthquake response quantities. Effect of nonlinear hysteretic modeling of the isolator on peak response of the base-isolated liquid storage tanks is also investigated. The effect on earthquake response of the base-isolated liquid storage tank is studied for different parameters of the isolator for a range of slenderness ratio of the tank. The parameters considered include the characteristic strength of the isolator, isolation time period, isolator yield displacement etc. Significant difference is observed in the earthquake response of the base-isolated liquid storage tanks owing to the equivalent linear and bi-linear modeling approaches of the isolator. However, for bi-linear and nonlinear hysteretic modeling of the isolator, difference between the peak earthquake response of base-isolated liquid storage tanks are insignificant. The earthquake response of base-isolated liquid storage tanks is significantly influenced by the variation in the isolator parameters and slenderness ratio of the tank.
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Baghban, Mohammad Hajmohammadian, Seyed Vahid Razavi Tosee, Kiyanets A. Valerievich, Leila Najafi i Iman Faridmehr. "Seismic Analysis of Baffle-Reinforced Elevated Storage Tank Using Finite Element Method". Buildings 12, nr 5 (25.04.2022): 549. http://dx.doi.org/10.3390/buildings12050549.

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The sloshing phenomenon is an important field of fluid dynamics in liquid storage tanks under earthquake excitation. When the sloshing frequency gets close to the liquid tank’s natural frequency, the resulting resonance could lead to instability and even damage to structures, followed by catastrophic economic losses and environmental damages. As passive control devices, baffles are a place for liquid energy dissipation. This study uses annular and horizontal baffles to evaluate the baffles’ relative effectiveness on the elevated storage tanks’ dynamic response. The analysis results are compared with those of elevated storage tanks with no baffles. The flexible and rigid storage tank analysis is examined here, where half of the tank height is filled with liquid. The structural interaction between the liquid, the (horizontal and annular) baffle, and the elevated storage tank affected by seismic action are investigated using Abaqus software. The results confirm that using the baffles, the maximum base shear force in flexible and rigid elevated storage tanks decreases as much as 26.43% and 31.90%, respectively, and the maximum hydrodynamic pressure reduction in the tank is 50.1%.
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Baghban, Mohammad Hajmohammadian, Seyed Vahid Razavi Tosee, Kiyanets A. Valerievich, Leila Najafi i Iman Faridmehr. "Seismic Analysis of Baffle-Reinforced Elevated Storage Tank Using Finite Element Method". Buildings 12, nr 5 (25.04.2022): 549. http://dx.doi.org/10.3390/buildings12050549.

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The sloshing phenomenon is an important field of fluid dynamics in liquid storage tanks under earthquake excitation. When the sloshing frequency gets close to the liquid tank’s natural frequency, the resulting resonance could lead to instability and even damage to structures, followed by catastrophic economic losses and environmental damages. As passive control devices, baffles are a place for liquid energy dissipation. This study uses annular and horizontal baffles to evaluate the baffles’ relative effectiveness on the elevated storage tanks’ dynamic response. The analysis results are compared with those of elevated storage tanks with no baffles. The flexible and rigid storage tank analysis is examined here, where half of the tank height is filled with liquid. The structural interaction between the liquid, the (horizontal and annular) baffle, and the elevated storage tank affected by seismic action are investigated using Abaqus software. The results confirm that using the baffles, the maximum base shear force in flexible and rigid elevated storage tanks decreases as much as 26.43% and 31.90%, respectively, and the maximum hydrodynamic pressure reduction in the tank is 50.1%.
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Shrimali, M. K., i R. S. Jangid. "Dynamic Analysis of Liquid Storage Tanks with Sliding Systems". Advances in Structural Engineering 6, nr 2 (maj 2003): 145–58. http://dx.doi.org/10.1260/136943303769013237.

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Dynamic response of liquid storage tanks isolated by the sliding systems is investigated under real earthquake ground motion. The frictional force of sliding systems is modelled by conventional and hysteretic models. The continuous liquid mass is lumped as convective mass, impulsive mass and rigid mass. The corresponding stiffness associated with these lumped masses is worked out depending upon the properties of the tank wall and liquid mass. The governing equations of motion of the tank with sliding system are derived and solved by Newmark's step-by-step method with iterations. The frictional force mobilized at the interface of the sliding system is assumed to be velocity dependent. For comparative study, the seismic response of isolated liquid storage tank obtained by the conventional model is compared with the corresponding response obtained by the hysteretic model. In order to measure the effectiveness of isolation system, the seismic response of isolated tank is compared with that of the non-isolated tank. A parametric study is also conducted to study the effects of aspect ratio of tank on the effectiveness of seismic isolation of liquid storage tanks. It is found that the sliding systems are quite effective in reducing the earthquake response of liquid storage tanks. In addition, the conventional and the hysteretic model of the sliding system predict the same seismic response of liquid storage tanks. However, the conventional model is relatively more computationally efficient as compared to the hysteretic model.
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Shrimali, M. K., i R. S. Jangid. "Seismic Response of Base-Isolated Liquid Storage Tanks". Journal of Vibration and Control 9, nr 10 (październik 2003): 1201–18. http://dx.doi.org/10.1177/107754603030612.

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We investigate the seismic response of liquid storage tanks isolated by lead-rubber bearings. The force-deformation behavior of the bearings is considered as bi-linear modeled by the Wen equation. The continuous liquid mass of the tank is modeled as a sloshing mass, impulsive mass and rigid mass. The corresponding stiffness associated with these masses has been worked out depending upon the properties of the tank wall and liquid mass. The governing equations of motion of the three-degrees-of-freedom model of the isolated liquid storage tank are derived. Since the force-deformation behavior of the bearings is non-linear, as a result, the seismic response is obtained using the Newmark step-by-step method under several recorded earthquake ground motions. The responses of two types of tanks, namely slender and broad, are compared with the corresponding response without an isolation system in order to investigate the effectiveness of the isolation system. A parametric study is also carried out to study the effects of important system parameters on the effectiveness of seismic isolation for liquid storage tanks. The various important parameters considered are the aspect ratio of the tank, period, damping and the yield strength of the isolation system. It has been observed that the seismic isolation of the tanks is quite effective and the response of isolated liquid storage tanks is significantly influenced by the above system parameters. There is an optimum value of isolation damping for which the base shear in the tank attains the minimum value. Therefore, increasing the bearing damping beyond a certain value decreases the bearing and sloshing displacements but it increases the base shear.
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Rozprawy doktorskie na temat "Liquid storage tank"

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Khan, Khader A. "Probabilistic Stress Analysis of Liquid Storage Tank". Cleveland State University / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=csu1271639817.

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Buang, Azizul. "Boilover in liquid hydrocarbon tank fires". Thesis, Loughborough University, 2014. https://dspace.lboro.ac.uk/2134/15186.

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Boilover is a violent ejection of certain liquid hydrocarbons due to prolonged burning during a storage tank fire. It happens due to vaporization of the water sub-layer that commonly resides at the base of a storage tank, resulting in the ejection of hot fuel from the tank, enormous fire enlargement, formation of a fireball and an extensive ground fire. Boilover is a very dangerous accidental phenomenon, which can lead to serious injuries especially to emergency responders. The boilover can occur several hours after the fuel in a storage tank caught fire. The delayed boilover occurrence is an unknown strong parameter when managing the emergency response operations. Modelling and simulation of the boilover phenomenon will allow the prediction of the important characteristics features of such an event and enable corresponding safety measures to be prepared. Of particular importance is the time from ignition to the occurrence of boilover. In order to establish a tool for the prediction of the boilover events, it is essential to understand what happens within the fuel during a fire. Such understanding is important in order to recognize and determine the mechanisms for the hot zone formation and growth which are essentials, especially for predicting the onset time of boilover. Accordingly, boilover experiments and tests were planned and carried out at field scale by the Large Atmospheric Storage Tank FIRE (LASTFIRE) project with the intentions to evaluate the nature and consequences of a boilover, and to establish a common mechanism that would explain the boilover occurrence. Undertaking field scale experiments, however, is difficult to carry out so often due to high costs and high safety concerns. In order to obtain more detailed measurements and visual records of the behaviour of the liquids in the pool, a novel laboratory scale rig has been designed, built and commissioned at Loughborough University. The vessels used in the field scale tests and the laboratory scale rig were instrumented with a network of thermocouples, in order to monitor the distribution in temperature throughout the liquid and its variation with time. The temperature distribution variation as a function of time enabled the recognition of the phases of the evolution of the hot zone and hence the mechanism of boilover. The rig has allowed well defined and repeatable experiments to be performed and hence enable to study and assess boilover in a reproducible manner. In addition, visualisation of the fuel behaviour during the experiments could be obtained to better understand the formation and growth of hot zone, the boiling of water layer and hence the boilover occurrence. A number of small and larger scale experiments had been completed to obtain a wide spectrum of results, evaluating the effect of tank diameters, fuel depth, and water depth on the rate and extent of the boilover. The analysis of the results had elucidated further the processes of the hot zone formation and its growth, and hence mechanisms involved in the boilover occurrence. The important observation was that there are three stages observed in the mechanism of boilover incidence. At the start of the fire there is a stage when the hot zone is formed. This is followed by a period when the bottom of the hot zone moves downwards at a pseudo constant rate in which the distillation process (vaporisation of the fuel s lighter ends) is taking place. The final stage involved the heating up of the lowest fuel layer consisting of components with very high boiling points and occurrence of boilover. Based on the observations of the mechanisms involved in the hot zone formation and its growth, predictive calculations were developed which focus on the provision of an estimate on the time to boilover upon the establishment of a full surface fire and an estimate of the amount of fuel remaining in the tank prior to the occurrence of the boilover. A predictive tool was developed in order to provide predictions on the important parameters associated with a boilover event i.e. the time to boilover, the amount of fuel remaining in the tank prior to boilover and hence the quantity of fuel that would be ejected during boilover and the consequences of a boilover i.e. fire enlargement, fireball effects and the ground area affected by the expulsion of oil during a boilover event. The predictive tool developed is capable of providing good estimates of onset time to boilover and predicts consequences of the boilover. The tool predicting the time to boilover of the LASTFIRE field scale test and the laboratory scales tests was shown to produce predictions that correlated with the observed time to boilover. Apart from the time to boilover, the predictive calculation is also able to provide an estimate of fuel amount remained in the tank at the instance of boilover occurrence. Consequently, the tool is capable of predicting the quantity of burning fuel being ejected and hence the area affected by the extensive ground fire surrounding the tank. The predictive results are conservatives but yet show good agreement with observed time to boilover in real boilover incidents. Certain considerations in the development of safe and effective fire fighting strategies in handling fire scenario with a potential of boilover occurrence, can be assessed using the predictive tool developed.
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Zmerli, Mustapha. "Optimization of the bottom plate of a ground-supported liquid storage tank". Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-12052009-020116/.

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Viaro, Daniele. "Numerical study of the boil-off rate in a storage tank for liquid hydrogen". Master's thesis, Alma Mater Studiorum - Università di Bologna, 2022. http://amslaurea.unibo.it/25856/.

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A widespread rollout of alternative fuels is desirable to mitigate the issue of global warming. Hydrogen is widely considered one of the most promising solutions to reduce the environmental impact of the transport sector. This thesis work, performed in collaboration with the Norwegian University of Science and Technology NTNU, is based on the numerical study of the boil-off rate (BOR) of liquid hydrogen. The BOF represents the amount of liquid hydrogen that evaporates and that must be vented, through a pressure relief valve, in order to avoid the overpressurization of the tank. The case study considered is a cryogenic tank with a maximum capacity of 900 kg used as storage system in a liquid hydrogen refueling station. Two different insulation systems were considered: the high-vacuum multilayer (MLI) and the polyurethane foam insulation. The numerical computation was performed with OpenFoam , a computational fluid dynamics (CFD) open-source software. In order to accurately simulate the evaporation process that takes place inside the tank the Lee evaporation model and the kinetic gas evaporation model were used and critically compared. The results obtained show a great difference in terms of BOR between these two insulation systems. A layer of 15 mm of MLI makes it possible to obtain a BOR value an order of magnitude lower than that obtained with 1 meter of polyurethane foam.
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Tavano, Matteo. "Seismic response of tank-fluid systems: state of the art review and dynamic buckling analysis of a steel tank with the added mass method". Master's thesis, Alma Mater Studiorum - Università di Bologna, 2012. http://amslaurea.unibo.it/3006/.

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Marquez, Danilo Carleton University Dissertation Engineering Civil and Environmental. "Earthquake resistant design of liquid storage tanks". Ottawa, 1996.

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Ahmad, Forhad. "Fitness for service assessment of liquid storage tanks/". Internet access available to MUN users only. Search for this title in:, 2009.

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Thompson, V. "Structural integrity of liquid natural gas storage tanks". Thesis, University of Oxford, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.371581.

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Zeng, Xianguang Carleton University Dissertation Engineering Civil. "Earthquake response analysis of unanchored cylindrical liquid storage tanks". Ottawa, 1993.

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Sharifi, Tahereh. "An experimental study of catastrophic failure of liquid storage tanks". Thesis, Imperial College London, 1987. http://hdl.handle.net/10044/1/46527.

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Książki na temat "Liquid storage tank"

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Hartmann, John P. Technology of underground liquid storage tank systems. New York: Wiley, 1997.

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Static spark ignites flammable liquid during portable tank filling operation. [Washington, D.C.]: U.S. Chemical Safety and Hazard Investigation Board, 2008.

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M, Hasan Mohammad, i United States. National Aeronautics and Space Administration., red. Self-pressurization of a spherical liquid hydrogen storage tank in a microgravity environment. [Washington, DC]: National Aeronautics and Space Administration, 1992.

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M, Hasan Mohammad, i United States. National Aeronautics and Space Administration., red. Self-pressurization of a spherical liquid hydrogen storage tank in a microgravity environment. [Washington, DC]: National Aeronautics and Space Administration, 1992.

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Allied Terminals, Inc. catastrophic tank collapse: (two serious injuries, community evacuation). [Washington, D.C.]: U.S. Chemical Safety and Hazard Investigation Board, 2009.

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E, Lake R., Wilkerson C i George C. Marshall Space Flight Center., red. Unlined reusable filament wound composite cryogenic tank testing. [Marshall Space Flight Center, Ala.]: National Aeronautics and Space Administration, Marshall Space Flight Center, 1999.

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E, Lake R., Wilkerson C i George C. Marshall Space Flight Center., red. Unlined reusable filament wound composite cryogenic tank testing. [Marshall Space Flight Center, Ala.]: National Aeronautics and Space Administration, Marshall Space Flight Center, 1999.

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1934-, Lin C. S., Van Dresar Neil T i United States. National Aeronautics and Space Administration., red. Self-pressurization of a flightweight liquid hydrogen storage tank subjected to low heat flux. [Washington, DC]: National Aeronautics and Space Administration, 1991.

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1934-, Lin C. S., Van Dresar Neil T i United States. National Aeronautics and Space Administration., red. Self-pressurization of a flightweight liquid hydrogen storage tank subjected to low heat flux. [Washington, DC]: National Aeronautics and Space Administration, 1991.

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S, Greenberg H., Johnson S. E i United States. National Aeronautics and Space Administration., red. Reusable LH2 tank technology demonstration through ground test. [Washington, DC: National Aeronautics and Space Administration, 1995.

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Części książek na temat "Liquid storage tank"

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Vern, Sourabh, Mahendra Kumar Shrimali, Shiv Dayal Bharti i Tushar Kanti Datta. "Behavior of Liquid Storage Tank Under Multidirectional Excitation". W Lecture Notes in Civil Engineering, 203–17. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-5235-9_16.

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Ma, Lun, i William A. Nash. "Nonlinear uplift analysis of a liquid storage tank". W Structural Dynamics, 503–8. London: Routledge, 2022. http://dx.doi.org/10.1201/9780203738085-73.

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Kumar, Hitesh, i Sandip Kumar Saha. "Seismic Response of Liquid Storage Tank Considering Uncertain Soil Parameters". W Lecture Notes in Civil Engineering, 589–603. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-8138-0_45.

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Kotrasova, Kamila, i Eva Kormanikova. "Increasing of Fluid Effect on Liquid Storage Laminated Composite Tank During Seismic Excitation". W Computational and Experimental Simulations in Engineering, 771–76. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-27053-7_65.

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Vern, Sourabh, M. K. Shrimali, S. D. Bharti i T. K. Datta. "Seismic Behavior of Baffled Liquid Storage Tank Under Far-Field and Near-Field Earthquake". W Lecture Notes in Civil Engineering, 445–56. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-8138-0_34.

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Rawat, Aruna, Vasant Matsagar i A. K. Nagpal. "Coupled Acoustic-Structure Interaction in Cylindrical Liquid Storage Tank Subjected to Bi-directional Excitation". W Advances in Structural Engineering, 1155–66. New Delhi: Springer India, 2014. http://dx.doi.org/10.1007/978-81-322-2193-7_90.

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Zhang, Rulin, Zhiwei Zhang i Huaifeng Wang. "Influence of Soil-Pile-Structure-Fluid Interaction on Seismic Behavior of a Liquid Storage Tank". W Proceedings of GeoShanghai 2018 International Conference: Advances in Soil Dynamics and Foundation Engineering, 70–77. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-0131-5_8.

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Rathod, J. P., V. R. Panchal i D. P. Soni. "Seismic Response of Liquid Storage Tank Isolated with Double Sliding Isolator with Variable Curvature (DSIVC)". W Lecture Notes in Civil Engineering, 1199–214. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-12011-4_99.

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Vern, Sourabh, Sunita Tolani, Shiv Dayal Bharti i Mahendra Kumar Shrimali. "Response Reductions in Base-Isolated Liquid Storage Tank Under Far and Near Field Seismic Excitations". W Springer Tracts in Civil Engineering, 329–40. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-5312-4_22.

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Vern, Sourabh, Vijay R. Sharma, Mahendra K. Shrimali, Shiv D. Bharti i Tushar K. Datta. "Behavior of the Liquid Storage Tank Under Coupled Effect of Bidirectional Excitations and Angle of Incidence of Earthquake". W Lecture Notes in Civil Engineering, 89–99. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-9390-9_7.

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Streszczenia konferencji na temat "Liquid storage tank"

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Vathi, Maria, Patricia Pappa i Spyros A. Karamanos. "Seismic Response of Unanchored Liquid Storage Tanks". W ASME 2013 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/pvp2013-97700.

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Unanchored liquid storage tanks under strong seismic loading may exhibit uplifting of their bottom plate, with significant effects on the dynamic behavior and the structural integrity of the tank. In the present paper, base uplifting mechanics is examined numerically through a two-step methodology: (a) a detailed finite element shell model of the tank for incremental static analysis, capable of describing the state of stress and deformation at different levels of loading and (b) a simplified modeling of the tank as a spring-mass system for dynamic analysis, enhanced by a nonlinear spring at its base to account for the effects of uplifting. Three cylindrical liquid storage tanks of different aspect ratios are modeled and examined both as anchored and unanchored. The results are aimed at possible revisions in the relevant seismic design provisions of EN 1998-4 and API 650.
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Mahajerin, Enayat, i Gary Burgess. "Case Study of Buckling Failure of a Large Liquid Storage Tank". W ASME 2005 Pressure Vessels and Piping Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/pvp2005-71072.

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Large cylindrical tanks are often used to store liquids like milk and chemicals for distribution. These structures are considered thin shells because of their geometry, dimensions, and aspect ratios. In this paper, an actual failure of a large vertical tank is investigated. The tank contained milk and buckled as a result of an internal vacuum caused by human error. Inspection done after failure revealed that an internal vacuum could have been created by a large drop in the inside air temperature. Such tanks are usually washed using extremely hot water. If the water temperature exceeded the manufacturer’s recommendations and the tank is not vented during the cool-down cycle, the contracting air would have drawn a vacuum. Another possibility is that the tank may have been drained without venting the headspace above the milk. This would cause the fixed mass of air above the milk to expand and draw a vacuum. To investigate these scenarios we consider stability of a vertical cylindrical shell under external pressure. The critical pressure differential for buckling of a vertical cylindrical shell with closed ends subjected to uniform axial and radial pressure is known from basic theories of buckling. These equations are used to determine the critical pressure for lobar buckling. The results show that each of these scenarios could have caused failure of the tank. Recommendations to prevent future failures in such storage tanks and design considerations for tanks having arbitrary dimensions and aspect ratios are presented in the paper.
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Wilkowski, Gery, Do-Jun Shim, Bud Brust i Mahendra D. Rana. "Failure Investigation of a 500 Gallon Liquid Nitrogen Storage Tank". W ASME 2010 Pressure Vessels and Piping Division/K-PVP Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/pvp2010-25476.

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A 500-gallon liquid nitrogen (LN2) storage tank failed while being filled by a pump truck. The failure of the tank was the first of its kind and quite unusual. The cryogenic storage tank was a typical double-wall construction. The inner and outer vessels were made of 5083-O aluminum and low-carbon ferritic steel, respectively. The inner liquid container was an ASME Section VIII, Div. 1 Code stamped vessel. The outer vessel was not Code stamped since it was designed for vacuum service. The outer vessel was made to support the inner vessel and insulation material and maintain this vacuum for thermal insulation purposes. The heads on both the outer carbon steel and the inner aluminum vessel were fractured at a girth weld resulting in a rocketing of the vessel. A detailed investigation was conducted to find the root cause. This investigation showed that a failure of a nozzle in the annular area between the two tanks caused LN2 to pour into that area. The warmer carbon steel outer shell caused the LN2 to vaporize and rapidly pressurize the annular area. This pressurization of the annular region caused the inner aluminum tank to buckle and resulted in the head separating from the main (inner) cylinder during the buckling process. The liquid LN2 from the inner tank flowed into the outer tank (along with possible flow from the truck) and the pressure continued to increase as the LN2 level increased. The pressure in the annular space reached critical level to cause the failure of the weld in the carbon steel tank. This paper describes the analyses that were carried out for this investigation which involved determining the crack-driving force from the combined weld residual stresses, thermal stresses from the LN2 liquid level, and pressure.
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Vathi, Maria, i Spyros A. Karamanos. "Simplified Model for the Seismic Performance of Unanchored Liquid Storage Tanks". W ASME 2015 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/pvp2015-45695.

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Ground-supported unanchored liquid-storage cylindrical tanks, when subjected to strong seismic loading may exhibit uplifting of their bottom plate, which has significant effects on their dynamic behavior and strength. Those effects mainly concern: (a) the increase of axial (meridional) compression at the tank base, resulting in premature buckling in the form of elephant’s foot and (b) the significant plastic deformation at the vicinity of the welded connection between the tank shell and the bottom plate that may cause failure of the welded connection due to fracture and fatigue. The present study focuses on base uplifting mechanics and tank performance with respect to the shell/plate welded connection through a numerical two-step methodology: (1) a detailed finite element shell model of the tank for incremental static analysis, capable of describing the state of stress and deformation at different levels of loading and (2) a simplified modeling of the tank as a spring-mass system for dynamic analysis, enhanced by a nonlinear spring at its base to account for the effects of uplifting. Two cylindrical liquid storage tanks of different aspect ratios are modeled and analyzed in terms of local performance of the welded connection. The results are aimed at better understanding of tank uplifting mechanics and motivating possible amendments in existing seismic design provisions.
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Uckan, Eren, Bulent Akbas, Fabrizio Paolacci, Jashue Shen i Emre Abalı. "Earthquake Protection of Liquid Storage Tanks by Sliding Isolation Bearings". W ASME 2015 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/pvp2015-45656.

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Liquid storage tanks are critical components of industrial facilities since damage to such structures may cause spreading of hazardous material and environmental pollution. Tanks exhibit mainly two different seismic behaviors one of which is the long period movements due to sloshing of the liquid and the other is the impulsive vibrations generated as a result of the fluid structure interaction phenomena at higher frequencies. The overall base shear is the combination of these two loads. The seismic base isolation aims to control the impulsive load as it has appreciable amount of contribution to the base shear values. Among various types, the curved surface sliding bearings (FPS) are commonly used in liquid tanks since provide isolation periods which is independent of the tank weight (liquid height). In this paper a parametric analysis has been performed to investigate the efficiency of FPS bearings. The numerical model is based on the Haroun and Housner’s simplified lumped parameter model in which the sloshing and fluid-tank interactions are modeled by convective and impulsive masses, respectively. The effectiveness of the isolation system was investigated under a series of ground motions, isolation periods and tank aspect (slenderness) ratios. Results indicated that depending on the characteristics of the ground motion, the response of the isolated tank can be reduced in appreciable amounts as compared to the conventionally constructed one. On the other hand, some detrimental effects were also observed in lower isolation periods (Tb=2s) particularly in medium slender tanks under near fault ground motions. This undesirable situation was avoided by using higher isolation periods (Tb =3s) without much affecting the bearing displacements.
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Ho, Son, i Muhammad Rahman. "Three-Dimensional Analysis of Liquid Hydrogen Cryogenic Storage Tank". W 3rd International Energy Conversion Engineering Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2005. http://dx.doi.org/10.2514/6.2005-5712.

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Jin Han, Jing Wei, Zhihua Zhang i Xiaoyuan Dong. "Research on three-dimensional modeling of liquid storage tank". W 2012 International Symposium on Geomatics for Integrated Water Resources Management (GIWRM). IEEE, 2012. http://dx.doi.org/10.1109/giwrm.2012.6349618.

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Luo, Hao, Ruifu Zhang i Dagen Weng. "A Hybrid Control Method to Reduce the Seismic Response of a Liquid Storage Tank". W ASME 2016 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/pvp2016-63569.

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In this study, a hybrid control method is proposed, in which both isolation bearings and an inertial mass damper (IMD) are used, to reduce the seismic response of a liquid storage tank. First, simplified models of the tank and IMD are illustrated. Next, to evaluate the effectiveness of the proposed method, three tanks, including a fixed tank, an isolated tank and an isolated tank with an IMD, are analyzed and compared. Last, parametric studies are conducted to investigate the effects of equivalent inertial mass and viscous damping of the IMD. It is observed that, compared with the fixed tank, the base shear of the isolated one is largely reduced, whereas the wave height is consequently amplified; for the isolated tank with an IMD, not only is the base shear more obviously reduced, but also the wave height is effectively controlled. What’s more, the base displacement of the isolated tank with an IMD is much lower than that of the isolated one. Therefore, the proposed method can be considered as an effective method to control the seismic response of the liquid storage tanks.
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Phan, Hoang Nam, Fabrizio Paolacci, Silvia Alessandri i Phuong Hoa Hoang. "Enhanced Seismic Fragility Analysis of Unanchored Above-Ground Steel Liquid Storage Tanks". W ASME 2018 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/pvp2018-84367.

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Earthquake damage in recent decades has revealed that storage tanks are one of the most vulnerable components in petrochemical and oil processing plants. Damage to tanks commonly associated with losses of containment, and thus results in the overall damage to nearby areas. Many of existing steel storage tanks were designed with outdated analysis methods and with underestimated seismic loads; therefore, various types of failure may occur during a strong ground shaking. This paper aims to present an appropriate methodology for the component fragility evaluation of existing storage tanks in a process plant, which will support for the determination of the loss of containment in terms of the ground motion intensity measure and finally the quantitative risk analysis of the plant and its nearby areas. In this respect, an unanchored oil storage tank, which is ideally located in Sicily (Italy), is selected as a case study. The significance of modeling parameters of the tank is first investigated with a screening study, which is based on nonlinear static pushover analyses of the tank using the ABAQUS software. The study aims to enhance the understanding of which modeling parameters significantly affect the seismic response of the tank and to reduce the number of analyses in the fragility evaluation. The fragility curves are then developed based on a lumped-mass model that is calibrated from the static pushover analysis results. Sources of uncertainty, related to significant parameters previously identified, are considered in the fragility analysis using a sampling procedure to generate statistically significant samples of the model.
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Phan, Hoang Nam, Fabrizio Paolacci i Philippe Mongabure. "Nonlinear Finite Element Analysis of Unanchored Steel Liquid Storage Tanks Subjected to Seismic Loadings". W ASME 2017 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/pvp2017-65814.

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Steel liquid storage tanks are widely used in industries and nuclear power plants. Damage in tanks may cause a loss of containment, which could result in serious economic and environmental consequences. For the purpose of the earthquake-resistant design of tanks, it is important to use a rational and reliable nonlinear dynamic analysis procedure. The analysis procedure should be capable of evaluating not only the comprehensive seismic responses but also the damage states of tank components under artificial or real earthquakes. The present paper deals with the nonlinear finite element modeling of steel liquid storage tanks subjected to seismic loadings. A reduce-scale unanchored steel liquid storage tank with the broad configuration from a shaking stable test (i.e., the INDUSE-2-safety project) is selected for this study. The fluid-structure interaction problem of the tank-liquid system is analyzed using the Abaqus software with an explicit time integration approach. In particular, the steel tank is modeled based on a Lagrangian formulation, while an Arbitrary Lagrangian-Eulerian adaptive mesh is used in the liquid domain to permit large deformations of the free surface sloshing. The finite element results in terms of the sloshing of the liquid free surface and the uplift response of the base plate are evaluated and compared with the experimental data that is obtained from the shaking table test for the tank under the INDUSE-2-safety project.
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Raporty organizacyjne na temat "Liquid storage tank"

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Skone, Timothy J. Liquid Storage Tank Flash Emissions. Office of Scientific and Technical Information (OSTI), marzec 2014. http://dx.doi.org/10.2172/1509402.

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Zhou, Junwen, i Ming Zhao. SEISMIC RESPONSE OF THE SPHERICAL LIQUID STORAGE TANK. The Hong Kong Institute of Steel Construction, grudzień 2018. http://dx.doi.org/10.18057/icass2018.p.032.

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Mulholland, G. T., i G. Stepanek. Specification for 20,000 Gallon Liquid Argon Storage Tank. Office of Scientific and Technical Information (OSTI), grudzień 1985. http://dx.doi.org/10.2172/1030018.

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Mulholland, G. T., G. Stepanek i C. H. Kurita. Specification for 20,000 Gallon Liquid Nitrogen Storage Tank. Office of Scientific and Technical Information (OSTI), styczeń 1987. http://dx.doi.org/10.2172/1030740.

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Mulholland, G. T., G. Stepanek i C. H. Kurita. Specification for 20,000 Gallon Liquid Argon Storage Tank. Office of Scientific and Technical Information (OSTI), styczeń 1987. http://dx.doi.org/10.2172/1030741.

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ANDRES, B. D. Feasibility of creating a new liquid surface within waste storage tank 241-SY-101. Office of Scientific and Technical Information (OSTI), maj 1999. http://dx.doi.org/10.2172/782275.

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WOODWARD-CLYDE CONSULTANTS DENVER CO. Basin F Liquid Storage Tank 102, Decontamination Field Demonstration, Rocky Mountain Arsenal, Colorado. Design Analysis. Fort Belvoir, VA: Defense Technical Information Center, lipiec 1992. http://dx.doi.org/10.21236/ada295540.

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WOODWARD-CLYDE CONSULTANTS DENVER CO. Basin F Liquid Storage Tank 102, Decontamination Field Demonstration, Rocky Mountain Arsenal, Colorado. Final (90%) Specifications. Fort Belvoir, VA: Defense Technical Information Center, lipiec 1992. http://dx.doi.org/10.21236/ada295539.

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S. K. Evans. HWMA/RCRA Closure Plan for the CPP-648 Radioactive Solid and Liquid Waste Storage Tank System (VES-SFE-106). Office of Scientific and Technical Information (OSTI), sierpień 2006. http://dx.doi.org/10.2172/915226.

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Mulholland, G. T., i G. Stepanek. Specification for 20,000 Gallen Liquide Nitrogen Storage Tank. Office of Scientific and Technical Information (OSTI), grudzień 1985. http://dx.doi.org/10.2172/1030017.

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