scholarly journals Numerical simulation of nonlinear oval-type vibration in cylindrical water storage tanks

2009 ◽  
Author(s):  
A. Maekawa ◽  
K. Fujita
Keyword(s):  
Numerical Simulation ◽  
Water Storage ◽  
Storage Tanks

Characteristics of Decompression Tank Internally Pressurized with Water Using OpenFOAM

2016 ◽  
Vol 836 ◽  
pp. 3-8 ◽  
Author(s):  
Syamsuri
Keyword(s):  
Numerical Simulation ◽  
Velocity Distribution ◽  
Numerical Simulations ◽  
Pressure Distribution ◽  
Small Area ◽  
Water Storage ◽  
Storage Tanks ◽  
Velocity Magnitude ◽  
Independent Test ◽  
Simulation Results

Decompression tank is a tank in which pressurized with water. In its application decompression tank can be reservoir tank and water storage tanks which are closed. In the simulation the value of compressibility is very important for the case decompression tank. The method used is the numerical simulations using OpenFOAM software to know the results of observation the value of the pressure, density, and velocity magnitude. Simulations will be performed by varying the value of the water compressibility 4.54e-06 4.54e-07, and 4.54e-08. Before performing simulations on the main case decompression tank then first performed by grid independent test to validate the simulation results from the study by another researcher. From the results of experiments with variation of compressibility of water it can be seen that a good comparisons with numerical simulation and previous studies show the capability of this method. The greater the value compressibility water then the pressure distribution generated more widely and rapidly spreadas well as the velocity distribution. However for the distribution of the speed with greater compressibility of the velocity distribution will become more varied and occurs only in a small area.

scholarly journals The effect of household storage tanks/vessels and user practices on the quality of water: a systematic review of literature

2021 ◽  
Vol 10 (1) ◽  
Author(s):  
Musa Manga ◽  
Timothy G. Ngobi ◽  
Lawrence Okeny ◽  
Pamela Acheng ◽  
Hidaya Namakula ◽  
...  
Keyword(s):  
Systematic Review ◽  
Water Quality ◽  
Storage Tank ◽  
Grey Literature ◽  
Water Storage ◽  
Storage Tanks ◽  
Water Storage Tank ◽  
Hygiene Practices ◽  
Quality Of Water ◽  
Vessel Material

Abstract Background Household water storage remains a necessity in many communities worldwide, especially in the developing countries. Water storage often using tanks/vessels is envisaged to be a source of water contamination, along with related user practices. Several studies have investigated this phenomenon, albeit in isolation. This study aimed at developing a systematic review, focusing on the impacts of water storage tank/vessel features and user practices on water quality. Methods Database searches for relevant peer-reviewed papers and grey literature were done. A systematic criterion was set for the selection of publications and after scrutinizing 1106 records, 24 were selected. These were further subjected to a quality appraisal, and data was extracted from them to complete the review. Results and discussion Microbiological and physicochemical parameters were the basis for measuring water quality in storage tanks or vessels. Water storage tank/vessel material and retention time had the highest effect on stored water quality along with age, colour, design, and location. Water storage tank/vessel cleaning and hygiene practices like tank/vessel covering were the user practices most investigated by researchers in the literature reviewed and they were seen to have an impact on stored water quality. Conclusions There is evidence in the literature that storage tanks/vessels, and user practices affect water quality. Little is known about the optimal tank/vessel cleaning frequency to ensure safe drinking water quality. More research is required to conclusively determine the best matrix of tank/vessel features and user practices to ensure good water quality.

Temperature stratification in hot-water storage tanks

Energy ◽  
1991 ◽  
Vol 16 (7) ◽  
pp. 977-982 ◽  
Author(s):  
K. Hariharan ◽  
K. Badrinarayana ◽  
S. Srinivasa Murthy ◽  
M.V. Krishna Murthy
Keyword(s):  
Water Storage ◽  
Hot Water ◽  
Temperature Stratification ◽  
Storage Tanks

Methane and other Volatile HC Gasses in Produced-Water

2021 ◽  
Author(s):  
Raj Lahoti
Keyword(s):  
Produced Water ◽  
Water Storage ◽  
Laboratory Method ◽  
Storage Tanks ◽  
Condensate Reservoir ◽  
Carbon Dioxide Co2 ◽  
Water Tanks ◽  
Capital Intensive ◽  
Economic Use

Abstract Getting correct estimates for Volatile Organic Compounds (VOCs) and greenhouse gases (GHGs) from water storage tanks is not only important for maintaining emission compliance for state and national regulatory authorities, but also crucial in designing the capital-intensive systems for economic use of methane and other Natural Gas Liquid (NGL) gasses. This paper highlights the significance of gas liberated from produced water tanks in the fields. The paper presents a laboratory method to estimate such emissions from produced-water storage tanks by virtue of the in-situ water getting depressurized and releasing VOCs, and other emission gasses such as Hydrogen Sulfide (H2S) and Carbon Dioxide (CO2). Further, the paper provides qualitative and quantitative assessment of the gas liberated from produced-water by analyzing the gas liberated from produced-water from gas-condensate reservoir wells from the Marcellus region.

Numerical modeling and optimization of thermal stratification in solar hot water storage tanks for domestic applications: CFD study

Solar Energy ◽  
2017 ◽  
Vol 157 ◽  
pp. 441-455 ◽  
Author(s):  
T. Bouhal ◽  
S. Fertahi ◽  
Y. Agrouaz ◽  
T. El Rhafiki ◽  
T. Kousksou ◽  
...  
Keyword(s):  
Numerical Modeling ◽  
Thermal Stratification ◽  
Water Storage ◽  
Hot Water ◽  
Storage Tanks ◽  
Modeling And Optimization
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