PULSATION

作品数：81被引量：105H指数：5
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Evolution law of pulsating seepage and thermal deformation by injecting high-temperature steam into coal for thermal coalbed methane recovery
《Deep Underground Science and Engineering》2025年第1期119-131,共13页Zhiqiang Li Junliang Li Jinsheng Chen Ali Karrech Ningchao Zhang Ju Chang Kaiqi Jin Yangyang Yu Hongbin Wang Aijie Wang 
Fundamental Research Funds for the Universities of Henan Province,Grant/Award Number:NSFRF180305。
Chinese coal reservoirs are characterized by low pressure and low permeability,which need to be enhanced so as to increase production.However,conventional methods for permeability enhancement can only increase the per...
关键词：coalbed methane PERMEABILITY PULSATION STEAM thermal deformation two-phase flow 
Optimizing Oil Distributor Port for Low-Pulsation Cam-Lobe Hydraulic Motors
《Chinese Journal of Mechanical Engineering》2024年第6期225-234,共10页Yiman Duan Hao Tan Yu Fang Zhijian Zheng Junhui Zhang Bing Xu Qi Su Chao Zhang 
Supported by National Key R&D Program of China(Grant No.2021YFB3400501)。
High-end equipment always operate in low-speed and heavy-load working environments,highlighting the need for cam-lobe hydraulic motors with excellent speed stability(<1 r/min)and ultrahigh-power rotary output(>1 MW).T...
关键词：Engineering machinery Hydraulic motor PULSATION Oil distributor port Speed stability Optimization design 
Effect of sphygmomanometer cuff pressure on the differentiation of veins from arteries on ultrasound imaging:an observational cross-sectional study
《World Journal of Emergency Medicine》2024年第6期448-454,共7页Marechika Tsubouchi Ryohei Matsui Mami Tsubota Yota Yamagishi Yuka Miyazaki Hideki Murakami Tomonori Hattori Hiroshi Sasano 
supported by the Department of Advanced Acute Medicine at Nagoya City University.
BACKGROUND:Ultrasound guidance is commonly used for accessing difficult peripheral veins.For successful access,a tourniquet is required for venodilation.Tourniquets decrease the compressibility and increase the diamet...
关键词：Sphygmomanometer cuff TOURNIQUET Ultrasound Arterial pulsation 
Influence of the Channel Design on the Heat Exchange Characteristics of Pulsating Flows in the Supply System of an Engine
《Frontiers in Heat and Mass Transfer》2024年第5期1309-1322,共14页Leonid Plotnikov Danil Davydov Dmitry Krasilnikov Vladislav Shurupov 
supported by the Russian Science Foundation(Grant No.23-29-00022).
Heat engines based on reciprocating machines remain in demand as energy converters in a variety of industries around the world.The aim of the study was to evaluate the gas-dynamic,consumable and heat exchange characte...
关键词：Reciprocating-engine supply system figured valve channel transverse channel profiling pulsating air flow gas dynamics and heat transfer heat transfer pulsation analysis 
Solitons and Their Biperiodic Pulsation in Ultrafast Fiber Lasers Based on CB/GO
《Chinese Physics Letters》2024年第8期28-32,共5页Zhen-Tao Ju Zhi-Zeng Si Xin Yan Chao-Qing Dai 
supported by the National Natural Science Foundation of China(Grant Nos.12261131495 and 12475008);the Scientific Research and Developed Fund of Zhejiang A&F University(Grant No.2021FR0009).
The carbon black(CB)is introduced to manufacture CB/graphene oxide(GO)composite material to mitigate limitations of GO as a saturable absorber with the excellent performance in ultrafast fiber lasers.At a central wave...
关键词：fiber periodic ABSORBER 
Searching for the Highest Energy of Pulsation and Critical Luminosity of Swift J0243.6+6124 Observed by Insight-HXMT
《Research in Astronomy and Astrophysics》2024年第5期61-69,共9页Qing-Xia Zhao Xian Hou Ming-Yu Ge Shuang-Nan Zhang Yun-Xiang Xiao You-Li Tuo Zi-Xu Yang Ling-Da Kong Jin-Lu Qu Shu Zhang Jian-Cheng Wang 
project funded by China National Space Administration(CNSA);the Chinese Academy of Sciences(CAS);supported by the National Key R&D Program of China(2021YFA0718500 and 2023YFE0101200)from the Minister of Science and Technology of China(MOST);supports from the National Natural Science Foundation of China under grants 12373051 and 12333007;supported by International Partnership Program of Chinese Academy of Sciences(grant No.113111KYSB20190020)。
Owing to the broad energy coverage of Insight-HXMT in the hard X-ray band,we detected the highest energy of pulsation exceeding 200 keV around the 2017–2018 outburst peak of the first Galactic pulsating ultraluminous...
关键词：(stars:)pulsars-individual(Swift J0243.6+6124)-X-rays binaries–stars neutron 
Numerical study of flow and thermal characteristics of pulsed impinging jet on a dimpled surface
《Theoretical & Applied Mechanics Letters》2024年第2期106-117,共12页Amin Bagheri Kazem Esmailpour Morteza Heydari 
This research comprehensively investigates the flow and thermal characteristics of a pulsating impinging jet over a dimpled surface.It analyzes the impact of key parameters(e.g.,inlet velocity pulsation functions,puls...
关键词：Pulsating impinging jet Dimpled surface Heat transfer enhancement Pulsation frequency and amplitude Coherent structures 
Research Progress of LipiFlow Therapy for Meibomian Gland Dysfunction
《Expert Review of Chinese Medical》2024年第1期22-26,共5页Lihong Fu Haiyang Zhang 
Meibomian gland dysfunction(MGD)is a common ocular surface disease,and the pathogenesis of MGD is closely related to the alteration of meibomian gland morphology and(or)function.At present,the treatment strategy for M...
关键词：meibomian gland dysfunction physical therapy thermal pulsation system EFFECTIVENESS SAFETY 
A Possible γ-Ray Pulsation from PSR J1740-5340B in the Globular Cluster NGC 6397
《Research in Astronomy and Astrophysics》2024年第1期285-291,共7页Jiao Zheng Pengfei Zhang Li Zhang 
supported in part by the National Natural Science Foundation of China Nos. 12163006 and 12233006;the Basic Research Program of Yunnan Province No. 202201AT070137;the joint foundation of Department of Science and Technology of Yunnan Province and Yunnan University No. 202201BF070001-020;support by the Xingdian Talent Support Plan-Youth Project。
Recently, a new radio millisecond pulsar(MSP) J1740-5340B, hosted in the globular cluster(GC) NGC 6397,was reported with a 5.78 ms spin period in an eclipsing binary system with a 1.97 days orbital period. Based on a ...
关键词：gamma-rays:galaxies (stars:)pulsars:individual(PSR J1740-5340B) (Galaxy:)globular clusters:individual(NGC 6397) 
Detection of Pulsation and Additional Components in Eclipsing Binary RS Sct
《Research in Astronomy and Astrophysics》2023年第12期190-203,共14页A.Abedi K.Y.Roobiat 
financial support of University of Birjand for this research under contract number 1399/D/6211。
The eclipsing binary star RS Sct is a semi-detached system of theβLyrae type.This system was photometered for six nights in 2019 August,and 2020 June and August.The light and radial velocity curves were simultaneousl...
关键词：(stars:)binaries eclipsing-stars individual(RS Sct)-methods data analysis-techniques PHOTOMETRIC 
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