Results 21 to 30 of about 2,998,373 (268)
Dependence of mode profile on the pumping configuration of a LED-pumped Ce:Nd:YAG laser [PDF]
مجله علوم و فنون هستهای, 2021 Transverse intensity distribution or laser mode profile is one of the most important characteristics of a laser oscillator. In the present study, mode profile of a LED-pumped Ce:Nd:YAG laser oscillator and its dependency on the geometrical configuration ...
F. Hokmabadi +2 more
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Effect of Axial Agitator Configuration (Up-Pumping, Down-Pumping, Reverse Rotation) on Flow Patterns Generated in Stirred Vessels [PDF]
, 2001 Single phase turbulent flow in a tank stirred with two different axial impellers - a pitched blade turbine (PBT) and a Mixel TT (MTT)- has been studied using Laser Doppler Velocimetry. The effect of the agitator configuration, i.e.
Fletcher, David F. +4 more
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Improvements of the beam pumping unit electrical drive of the dripper
Вестник Пермского национального исследовательского политехнического университета. Геология. Нефтегазовое и горное дело, 2012 81#!4)!1$79%+(+#&4!$%)7*!,!$++:");(+$1-2!"!0+/)#),+2"+/5%1&0(.3(! 1)(?+0.3 ()$+$+0 $ :),)($&"(.#& $1)(%)#& -%)4),%)#& , &;*&%,&4!$%+?+"!=&#)"):+1.0(!2"!".0(.'"!= %$2,5)1)*&& . @,7"!),&;)*&&(!2"!".0(+?+"!=& -#)/+:.4&(! )1-4)$1+153+/)2,5(=! -")()$+$+0 . "&0+/&1$7)(),&;1!3(&4!$%&3"!>!(&' , ()2")0,!((.3()$(&=!(&!4)$1+1.3+/)2,5(=! -")()$+$+0 . "+&;0+/&1$7$
Evgeniy Beliaev +2 more
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Structure diagram of beam oil pumping unit.
, 2023 Pour: Names of the parts in the diagram: 1. fixed valve; 2. pump barrel; 3. plunger; 4. swing valve; 5. pumping rod; 6. dynamic fluid level; 7. oil pipe; 8. casing; 9. tee; 10. packing box; 11. light rod; 12. donkey head; 13. swing beam; 14.
Zejun Yao (17041356) +5 more
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Development and Application of Ball Screw Pumping Unit
Shiyou jixie, 2021 At present, 12,000 rod pumped wells are implementing intermittent pumping system in the Daqing Oilfield, however, due to insufficient downhole feed flow, the use of conventional walking-beam pumping unit seriously affects the economic, efficient, energy ...
Zheng Dongzhi
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DESIGNING FEATURES OF POWER OPTICAL UNITS FOR TECHNOLOGICAL EQUIPMENT [PDF]
Научно-технический вестник информационных технологий, механики и оптики, 2016 This paper considers the question of an optical unit designing for transmitting power laser radiation through an optical fiber. The aim of this work is designing a simple construction unit with minimized reflection losses.
M. Y. Afanasiev +2 more
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Assessment of load of beam-balanced pumping units by electric motor power indicators
Записки Горного института, 2017 The results of experimental studies on the loading of beam-balanced pumping units (BP) of sucker rod- pumping equipment (SRPE) are presented. It is noted that the key factor that has the most significant effect causing the SRPE failure is the balance of ...
D. I. Shishlyannikov, A. A. Rybin
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Identification of the Four-Bar Linkage Size in a Beam Pumping Unit Based on Cubature Kalman Filter
Machines, 2022 While the size of the four-bar linkage is the basis of kinematic performance analysis in a beam pumping unit, there is still a lack of effective and direct measurement of it.
Jiaojian Yin, Dong Sun, Hongzhang Ma
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Advanced Engineering Materials, EarlyView.This article investigates the dependence of the properties on the manufacturing orientation in the form of the inclination angle to the build plate of LPBF‐fabricated NiTi rods with a diameter of 150–220 µm. Metallographic, chemical, thermal, and mechanical characterization show behavior under identical manufacturing conditions that ranges from ...
Sandra Herzig +2 more
wiley +1 more source
Design of Beam Pumping Unit Drive [PDF]
, 2015 Bakalářská práce je zaměřena na návrh pohonu pro vahadlový čerpací stroj. V úvodu práce je popsán současný stav problematiky vahadlových čerpacích strojů a jejich pohonů.
Ašenbrener Jiří
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