Results 61 to 70 of about 3,835 (233)

Improvement and Application of Hydraulic Jet Impactor Adapted to PDC Bit

Shiyou jixie, 2018
The current hydraulic jet impactor has problems like easy damage of the jet element, failure of the cylinder seal structure and easy looseness of the gland structure during high temperature and high pressure solid phase drilling. To address the problems,
Wang Lei, Zhang Renlong, Suo Zhongwei, Zhang Jinshuang, Xia Yicheng, Geng Haoran, Zhao Hongyu   +6 more
doaj  

Research on Heat Transfer Enhancement of Spiral Grooved Tube Heat Exchangers Based on CFD and Artificial Intelligence

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Driven by the energy crisis and carbon neutrality goals, high‐efficiency heat exchange equipment has become a core demand in the industrial sector. The spiral grooved double‐pipe heat exchanger exhibits significant heat transfer enhancement advantages, yet it requires balancing heat transfer efficiency and pressure loss.
Yueyun Yang, Wei Li, Xiuzhi Xi, Neng Gao
wiley   +1 more source

Optimizing Strategies for Non‐Invasive Prospection of Settlements in the Intertidal Zone: A Case Study From the Centre of the Drowned Medieval Village of Tolsende (Scheldt Estuary, the Netherlands)

Archaeological Prospection, EarlyView.
ABSTRACT Medieval and early modern drowned villages in the intertidal zone of the Scheldt estuary (the Netherlands) constitute intriguing yet largely understudied components of north‐western Europe's underwater cultural heritage. Despite their high archaeological potential as time capsules of past settlement landscapes, research has remained limited ...
Jan Trachet, Sarah Bäumler, Stefan Krojer, Jeroen Verhegge, Wim De Clercq, Philippe De Smedt, Wouter H. Maes, Bente S. Majchczack, Immo Trinks, Dennis Wilken   +9 more
wiley   +1 more source

Raises advance using borehole hydraulic technology [PDF]

E3S Web of Conferences
Based on an analysis of existing methods for raises advance, the safest, most productive, and low-cost method is hydraulic well technology. This method offers advantages such as low operation and flow rate, flexibility in managing concentration and ...
Kosenko Andrii, Khomenko Oleh, Kononenko Maksym, Myronova Inna, Pazynich Yuliya   +4 more
doaj   +1 more source

Global and Detailed Calculation of Tube Wall Temperature in a Process Furnace Steam Superheater

Chemie Ingenieur Technik, EarlyView.
This study presents a comparison between an iterative global model and multiple approaches to a new non‐iterative model with the purpose of predicting tube wall temperature of a superheater. The results show that the non‐iterative method achieves sufficient accuracy while improving the prediction of local temperature distribution and better ...
Anežka Michálková, Zdeněk Jegla
wiley   +1 more source

Simulation Study on Flow Field Characteristics of Self-propelled Multi-nozzle Jet Bit in Radial Horizontal Wells

Shiyou jixie, 2022
Radial horizontal well technology, which is based on hydraulic jet radial drilling, can increase the drainage capacity of low permeability reservoirs and unconventional oil and gas wells, and self-propelled multi-nozzle jet bit is the core component of ...
Zhang Tao, Yu Huaibin, Huang Xin, Li Yumei, Wen Tao, Wang Ning   +5 more
doaj  

Reverse Engineering and Performance Evaluation of a Pump Impeller Fabricated With Additive Manufacturing

Chemie Ingenieur Technik, EarlyView.
This study explores the process chain for reverse engineering and additive manufacturing of a water pump impeller in a process plant. Key aspects include digital twin creation, CAD redesign, material certification, Hirtisation postprocessing, and performance testing. Insights highlight iterative design for improved precision and reliability.
Michael Stadler, Kati Schatz, Sebastian Rehfeldt, Harald Klein   +3 more
wiley   +1 more source

Research on working condition analysis and parameter optimization of hydraulic jet pumps in deep coalbed methane wells: a case study of Daning-Jixian block on eastern margin of Ordos Basin

Youqicang pingjia yu kaifa
Hydraulic jet pumping is a widely used drainage and production technique in the artificial lift stage of deep coalbed methane (CBM) wells. In the early stage of deep CBM development in the Daning-Jixian block, there was generally a lack of systematic ...
WU JIANJUN, MA WENTAO, HAO PENGCHENG, LIU CHENWEI, LIU YINHUA, FENG YANQING, YIN DECAI, ZHANG KANG   +7 more
doaj  

Comparative Analysis on the Structure of Rotary Jet Head for Mechanical Cleaning

Shiyou jixie, 2016
The rotary jet head is the key component for mechanical cleaning of tank type containers.Analysis on several foreign companies’ rotary jet head products has showed that the rotary jet head is usually powered by hydraulic power,gas and electricity,and has
Shi Yi, Chen Jiaqing, Tang Shuiqing, Sun Ruihao, Wang Qiangqiang   +4 more
doaj  

High-speed aerated jet trajectory simulated by compounding method of Euler-Euler model and meshless SPH method

Engineering Applications of Computational Fluid Mechanics
The flood discharge head is getting higher in high dam construction, threatening the safety of hydraulic engineering. Accurate prediction of the nappe trajectory is needed to help guarantee safety through downstream strategies.
Junling He, Qingzhi Hou, Jijian Lian, Wenxiao Jia, Panhong Ren   +4 more
doaj   +1 more source