Results 21 to 30 of about 6,997,530 (249)
A note on Chow's description of the weak hydraulic jump [PDF]
, 2008 Standard analytical and empirical results of hydraulic jumps are reanalyzed. The assumption that momentum but not energy is conserved across a jump is abandoned.
Sander, Graham +6 more
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Research on stabilized pressure hydraulic fluid supply technology adapted to hydraulic support actio
Gong-kuang zidonghua, 2018 In order to improve ability of hydraulic support following shearer in working face, coupling relationship among support action velocity, hydraulic system pressure and flow rate of hydraulic fluid supply was revealed by theory analysis of support ...
WANG Ranfeng +3 more
doaj +1 more source
Research on the hydraulic support top beam based on dynamic load bearing
Frontiers in Earth Science, 2023 Introduction: Aiming at the problem of structural damage of top beam and column in the actual bearing process of top coal caving hydraulic support caused by uneven roof pressure in the process of fully mechanized caving mining in thick coal seam coal ...
Lianmin Cao +4 more
doaj +1 more source
Development And Evaluation Of A Simplified Modeling Approach For Hydraulic Systems [PDF]
, 2012 This paper presents how a hydraulic system can be properly modeled for hydraulic balancing, knowledge of flow distribution, coupled simulation, and evaluation of control, etc.
Lu, Yan +4 more
core +1 more source
Research on the dynamic law of automatic following of hydraulic support
Gong-kuang zidonghua, 2023 Currently, research on the automatic following of hydraulic support in fully mechanized working faces focuses on controlling the movement of hydraulic support based on external environmental variables.
REN Huaiwei +5 more
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Gong-kuang zidonghua, 2023 The communication system is the channel and bridge for information transmission in the hydraulic support electro-hydraulic control system of the fully mechanized mining face. Currently, CAN bus is commonly used as the communication bus. It is susceptible
YANG Yongkai +7 more
doaj +1 more source
Fieldwork Hydraulic Engineering near Varna, Bulgaria, 2017
, 2018 Data collected by students for the MSC-course Fieldwork Hydraulic Engineering at TU Delft. The survey aims at the engineering and spatial design for the improvement of the St. Elias Marina and recreational area of the coastal resort of St.
Hydraulic Engineering Department of TU Delft
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Distribution of xylem hydraulic resistance in fruiting truss of tomato influenced by water stress [PDF]
, 2003 In this study xylem hydraulic resistances of peduncles (truss stalk), pedicels (fruit stalk) and the future abscission zone (AZ) halfway along the pedicel of tomato (Lycopersicon esculentum L.) plants were directly measured at different stages of fruit ...
Ieperen, W., van +2 more
core +1 more source
Study on morphological characteristics of landslide dam deposits in valley
Yantu gongcheng xuebaoThe morphological characteristics are a fundamental prerequisite for the development, evolution, mitigation, and prevention of landslide dam hazards, necessitating urgent theoretical quantification.
JIAN Fuxian 1, 2, CAI Zhengyin 1, GUO Wanli 1
doaj +1 more source