294 Result(s)
within
English
De-** Wang
Engineering
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Article
Entropy production by dissipation effects and characteristic vortex evolution in a rocket turbopump
The relationship between entropy production and vortex evolution affects the efficiency and stability of rotating machinery. This study investigated the energy characteristics of a rocket turbopump and reveale...
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Article
Microwave uniformity regulation and its influence on temperature field distribution of composite materials
Microwave heating technology is currently a prominent area of research in the field of composites curing due to its advantages, including selective heating, energy saving and high efficiency. However, the unev...
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Article
Scale effects on bow wave breaking of KCS ship model: Insights from DDES investigations
Ship bow wave breaking is a common phenomenon during navigation, involving complex multi-scale flow interactions. However, the understanding of this intense free surface flow issue is not sufficiently deep, es...
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Article
Physical and numerical investigation on fluid flow and inclusion removal behavior in a single-strand tundish
Aiming at the problem that the existence of inclusions in the tundish continuous casting process can easily lead to quality defects of the slab, the stainless steel continuous casting tundish was taken as the ...
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Article
Parameter identification of photovoltaic cell model based on improved elephant herding optimization algorithm
To overcome the shortcomings of the traditional parameter identification methods of photovoltaic cell model, including low accuracy, slow convergence speed, easy to be trapped in local optimum so on, a paramet...
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Article
Energy dissipation characteristics of high-temperature granites after water-cooling under different impact loadings
Studying the energy dissipation characteristics of high-temperature rock after cooling with water during geothermal drilling construction is crucial to improving rock crushing efficiency. The energy dissipatio...
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Chapter and Conference Paper
Research and Application of Oil Well Working Condition Analysis Targeted on Achieving Maximum Production Profit
With the development of Daqing oilfield, mechanical wells are confronted with more complex influencing factors. And submergence depth is one of the most important indexes to measure working condition of the me...
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Chapter and Conference Paper
Evaluation of Injection-Production Overflow of Gas Storage Reconstructed by Lithologic Gas Reservoir
s7 block is located on the southwest side of the yulin gas field in Ordos Basin, the central area of the block has good physical properties and high productivity, but the peripheral area of the block are tight .....
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Chapter and Conference Paper
Study on Site Selection Method for Rebuilding Gas Storage by Lithologic Gas Reservoir – Taking S Gas Storage as an Example
The underground gas storage converted from gas reservoir is the main facility for natural gas storage, and site selection is an important link in the construction of type gas storage. In the screening process,...
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Chapter and Conference Paper
Research on High Gas-Liquid Ratio Lifting Technology in Carbon Dioxide Flooding for Pum** Unit Wells
In view of the problems of low liquid production, high gas-liquid ratio, high casing tube pressure during carbon dioxide flooding for pum** unit wells, which has many has a negative impact on the production ...
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Chapter and Conference Paper
Investigation on the Mechanisms and Effects of Water Shut-Off by Blind Pipe in High Water Cut Oil Well
Based on the blind water shut-off test carried out in Shengli Oilfield, the mechanisms and effects of water shut-off were analyzed under the varying lengths of blind pipe, and the relationship between differen...
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Chapter and Conference Paper
Research of Throttle Salvaging Technology by Lubricating and Reducing Friction
Sulige gas field is a typical low permeability and low production gas field. In order to achieve economic and effective development, the development mode of downhole throttling and low pressure gas gathering i...
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Chapter and Conference Paper
Construction of Anti-channeling and Plugging Agent Assisted Oxygen-Reducing Air Flooding System and Its EOR Effects
Relying on the oxygen-reduced air flooding (ORAF) and anti-channeling test in Changqing Oilfield A test area, the static performance evaluation experiments of different plugging agents such as particle size di...
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Chapter and Conference Paper
Research on Optimization of Energy Storage Re-fracturing for the Old Vertical Wells in Tight Oil
At present, after the production life of the old tight vertical wells is too long, the original hydraulic fractures will gradually fail, and the high conductivity channels will gradually close. At the same tim...
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Chapter and Conference Paper
Study on Imbibition Mode of Reservoir Fracturing
The high production period of oil Wells in tight reservoirs represented by Yingxi area in Qaidam Basin is less than 60 days after fracturing, and the initial decline rate is more than 70%, making it difficult ...
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Chapter and Conference Paper
Integration and Application of Wellbore Quality Assurance Technology for Shalestone in Agadem Oilfield, Niger
Niger project, with abundant oil and gas resources (proven geological reserves of 700 million tons and exploitable reserves of 127 million tons), is an important area for PetroChina’s oil and gas cooperation i...
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Article
Difference of sintering performance of different types of limonitic nickel laterite
To achieve the more extensive utilization of limonitic nickel laterite, the difference of sintering performance of different types of limonitic nickel laterite including high-gangue and low-gangue nickel ores ...
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Article
Modelling and Experimental Study of Halbach Array Magnetic Coupler
In order to effectively solve the current problems of magnetic couplers such as large area and complex internal coil, the Halbach array magnetic coupler was proposed. According to the specific characteristics ...
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Chapter
Introduction
Building industrialization is widely comprehended as a new mode of production integrating design, production, construction, and other sustainable developments of the entire construction industry chain. It is t...
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Chapter
Prestressed Precast Concrete Frame with External Dissipaters
This chapter deals with the subject of Prestressed Precast Concrete Frame with External Dissipators, such a precast concrete frame consists of non-emulative connections where precast frame members are connecte...
