In the present work, a 3D numerical study has been performed to investigate the core-annular flow of waxy crude oil/water in inclined pipes with a gradual expansion. Waxy crudes are highly viscous crude oils that exhibit non-Newtonian flow behavior,…
To study the influence law between pressure loss of conveyor system and parameters of hydraulic transmission system for cutter-suction mining in submarine natural gas hydrate exploitation, such as diameter, velocity, volume fraction and particle…
1-Ethyl-3-(3-dimethylaminopropyl) carbodiimide (EDC) is widely used as a crosslinker for fluorescence labeling of protein in the fields of biochemistry and food analysis. Many natural polysaccharides often contain some proteins or peptides that are…
An in-situ spiral separator was designed to sand removal and purification NGH to solve the problems of equipment wear, reservoir collapse and so on, based on the solid fluidization method and combined with the physical properties of mixed slurry.…
Shengli Oilfield is rich in heavy oil resources, and steam stimulation is the main development method. Most of the reservoirs face problems such as low recovery and serious steam enthalpy. The study of flow field distribution law has become the focus…
The Turbulent Jet Ignition is an effective concept to achieve stable lean burning for natural gas engines due to the multiple ignition sources, high ignition energy, and fast combustion rate. A variation of the ignition location has a non-negligible…
Natural gas (NG) engines are restricted by slow combustion rates. An appropriate flow condition is considered to be the most promising way to improve the combustion rate of NG. In this study, decoupling analysis of the impacts of swirl and tumble on…
In this paper, the numerical simulation method is used to study the aerodynamic characteristics of the runoff turbine expander, the key equipment in the natural gas pressure energy recovery power generation system. The geometric structure of the…
Natural Gas Hydrate (NGH) and Hydrate-bearing Sediments (HBS) are emerging as an important potential energy resource. Radial Jet Drilling (RJD) technology, turning sharply in the casing and drilling laterals by using water jet, is a valid approach to…
The characteristics of cold flow field of an oxygen-enriched burner was studied that was applicable to petroleum coke powder industrial boiler. Low temperature tracer method and Infrared imaging temperature measurement were applied. Through the…
The Turbulent Jet Ignition is an effective concept to achieve stable lean burning for natural gas engines due to the multiple ignition sources, high ignition energy, and fast combustion rate. A variation of the ignition location has a non-negligible…
There are many people in urban construction areas, and natural gas leakage can potentially cause serious accident consequences. Predicting the consequences of gas dispersion is important to react rapidly and adequately in the event of an incident.…
The waxy component in natural gas may bring about some challenges in the treatment and transportation processes, especially in the cryogenic separation process. An axial flow cyclone separator was applied to separate wax from natural gas. An…
By means of additional specific heat capacity and momentum source terms methods, the physical and mathematical models of the heat transfer process of waxy crude oil during its static cooling in the vault tank are established. Through the numerical…
We developed an innovative tool to support the simulation of gas dispersion from liquefied natural gas pools in presence of obstacles. For the first time, the systematic evaluation of the influence of atmospheric stability conditions and the…
Underground salt caverns provide appropriate space for storing natural gas. However, salt caverns have to be constructed in bedded salt formations in China. The traditional construction method of salt cavern encounters serious problems in such…
Considering the factors such as ambient temperature, solar radiation, heating steam pressure and physical properties of oil products, a theoretical model for heating process of large floating roof tank coil is established. The numerical solution…
The great need for exploitation and application of natural gas over the long period of time boosts enormous demand for heating equipments. So it's extremely important to design and manufacture energy-saving and efficient natural gas heaters.…
Condensed liquid would accumulate in the subsea gas pipeline during the long-term operation. Jetting Pig is a common method to remove the condensed liquid from the gas pipeline. A jetting Pig of multiple injection structure with a combination of main…
There are many people in urban construction areas, and natural gas leakage can potentially cause serious accident consequences. Predicting the consequences of gas dispersion is important to react rapidly and adequately in the event of an incident.…
The waxy component in natural gas may bring about some challenges in the treatment and transportation processes, especially in the cryogenic separation process. An axial flow cyclone separator was applied to separate wax from natural gas. An…
In the present work, a 3D numerical study has been performed to investigate the core-annular flow of waxy crude oil/water in inclined pipes with a gradual expansion. Waxy crudes are highly viscous crude oils that exhibit non-Newtonian flow behavior,…
Considering the factors such as ambient temperature, solar radiation, heating steam pressure and physical properties of oil products, a theoretical model for heating process of large floating roof tank coil is established. The numerical solution…