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The Round-metal-resonator CO₂ Laser with Spiral Flow

Li Zaiguang,Gong Wei

Strategic Study of CAE 2001, Volume 3, Issue 1, Pages 58-61

Abstract:

The transverse flow, coaxial flow and diffusion cooling are the current types of high power COflow and discharge.The discharge ignited at the interface of the flow channel and the cavity is blown into the cavity, whereIt is shown that the multi-channel blown-in discharge, intercavity spiral flow and adjacent unit rotating

Keywords： CO₂ laser round-metal-resonator spiral flow beam quality

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Processing of high-precision ceramic balls with a spiral V-groove plate

Ming FENG,Yongbo WU,Julong YUAN,Zhao PING

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 1, Pages 132-142 doi: 10.1007/s11465-017-0436-z

Abstract: In this study, a spiral V-groove plate method is employed in processing high-precision ceramic balls.Experimental results demonstrate that the novel spiral V-groove plate method performs better than the

Keywords： bearing ceramic ball spiral V-groove kinematic analysis trajectory

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Mathematical model and manufacture programming of loxodromic-type normal circular-arc spiral bevel gear

Zhenyun DUAN, Houjun CHEN, Zhilan JU, Jian LIU

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 3, Pages 312-321 doi: 10.1007/s11465-012-0308-5

Abstract:

In this paper, loxodromic-type normal circular-arc spiral bevel gear is proposed as a novel applicationconjugation, the study develops a mathematical model for the tooth alignment curve and the computational flowMoreover, a pair of loxodromic-type normal circular-arc spiral bevel gears is manufactured on computer

Keywords： loxodrome circular-arc tooth profile Wildhaber-Novikov (W-N) gear spiral bevel gear

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Selection and Verification of the Structural Pattern of the Penstock and Spiral Case of the TGP Power-station

Dai Huichao,Peng Peng

Strategic Study of CAE 2004, Volume 6, Issue 2, Pages 33-37

Abstract: The article introduced the selection and verification of the structural pattern of the penstock and spiralThe selection of the structural pattern of the penstock and spiral case in the TGP power-station is not

Keywords： TGP penstock spiral case

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Design on the board of spiral cooling tower

Huang Rui

Strategic Study of CAE 2008, Volume 10, Issue 11, Pages 43-46

Abstract:

A spiral structure of cooling tower is designed for heat exchange ofgas & liquid.The method includes the locating of the outer spiral line on the tower wall and theinner spiral line on the central axial pipe, as well as the topologic shape in the plane for the curvingboard between the two spiral lines.According to the basic parameters of cooling tower, the critic parameters of spiral curving board can

Keywords： cooling tower board spiral curving board topology

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A wind tunnel study on control methods for cable dry-galloping

Hung D. VO,Hiroshi KATSUCHI,Hitoshi YAMADA,Mayuko NISHIO

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 1, Pages 72-80 doi: 10.1007/s11709-015-0309-7

Abstract: Recently, its mechanisms have been explained by axial flow, Reynolds number and so on.Furthermore, single spiral wire, double spiral wire and circular ring were found to have high effectiveness

Keywords： dry-galloping wind-relative angle single spiral wire double spiral wire circular rings

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The Application of Moving Frame in the Calculation of Spiral Bevel Gear’s Principal Curvature

Wang Yuqing,Liang Jian

Strategic Study of CAE 2001, Volume 3, Issue 12, Pages 68-70

Abstract:

the calculation of contacted points´ principal curvature is the key to determine contacted area. Traditionally, the method of determining principal curvature is to make use of the theory of mesh and coordinate transform. However, this method is complex. In this paper, based on the feature of curve surface, moving frame and co-differential are employed to give a sententious, effective algorithm of principal curvature. Then, according to the formulation of contacted area, an application example is given. This algorithm can be used for calculation of principal curvature in all kinds of curve surfaces.

Keywords： spiral bevel gear principal curvature moving frame

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An investigation into the heat transfer characteristics of spiral wall with internal rib in a supercritical

TANG Renhu, YIN Fei, WANG Haijun, CHEN Tingkuan

Frontiers in Energy 2007, Volume 1, Issue 3, Pages 300-304 doi: 10.1007/s11708-007-0043-5

Abstract: Because the rotational flow of the internal groove reduced the effect of natural convection, the internal

Keywords： m · diameter critical pressure sub-critical pressure maximum

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The Innovation-design of Pan-spiral Bevel Gear and Its Secondary Development of Applications

Liang Guiming

Strategic Study of CAE 2001, Volume 3, Issue 7, Pages 70-78

Abstract:

Bevel gears and hypoid gears are more complex transmission equipments. To avoid the change of shaft angles, the zero modification transmission (i.e.x₁ + x₂ = 0) tooth systems are adopted and had been used about one century .This paper introduces a new tooth system, NON-ZERO modification transmission (x₁+ x₂≠0), keeping the invariable shaft angle. After secondary development, this innovation may be manufactured by updated machine tool and be applied successfully to engineering vehicle, military production, vertical machine tool, locomotive, speed boat, as well as oil field, coal mine and cement industry. The new-type bevel gears have many advantages, such as multiple capacities, high reliabilities, long lives, small dimension, low noise and high adaptability. They not only may substitute the whole Gleason bevel gear system but also accomplish the function which Gleason can't. Hence the new type bevel gears will open vast vistas for application.

Keywords： spiral bevel gear innovation design secondary development

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The Application of FDTD and Micro Genetic Algorithms to the Planar Spiral Inductors

Wang Hongjian,Li Jing,Liu Heguang,Jiang Jingshan

Strategic Study of CAE 2004, Volume 6, Issue 11, Pages 38-42

Abstract: In this paper, the FDTD method is applied to explain the crowding effect of the spiral inductor , which

Keywords： FDTD genetic algorithms(GA) spiral inductor quality factor

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Numerical study of internal flow field and flow passage improvement of an inlet particle separator

Florian PAOLI, Tong WANG

Frontiers in Energy 2011, Volume 5, Issue 4, Pages 386-397 doi: 10.1007/s11708-011-0156-8

Abstract: By performing gas flow field numerical simulations for several inlet Reynolds numbers (from 2 × 10to 9 × 10 ) and byflow ratios (from 10% to 20%), the present study has proposed to improve the flowNo particle has been included in the gas flow for a -epsilon turbulence model.Then the flow passage improvement method has focused on the separation area.in this study has succeeded in designing a shape which enhances the flow behavior.

Keywords： streamlines pressure losses flow passage improvement inlet particle separator (IPS)

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The Following-observing Method for Substance Flow Analysis

Lu Zhongwu

Strategic Study of CAE 2006, Volume 8, Issue 1, Pages 18-25

Abstract:

The fundamental argument set forth in the paper is that flow is the common feature of fluid flow andsubstance flow.(constant output of product), but also for unsteady substance flow (increasing or decreasing outputThe following-observing model of substance flow was explained by using iron flow diagram in the lifeof indexes of lead flow.

Keywords： methods of substance flow analysis following-observing method for substance flow analysis basic equationsfor substance flow analysis degree of unsteadiness of substance flow

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UPFC setting to avoid active power flow loop considering wind power uncertainty

Shenghu LI, Ting WANG

Frontiers in Energy 2023, Volume 17, Issue 1, Pages 165-175 doi: 10.1007/s11708-020-0686-z

Abstract: The active power loop flow (APLF) may be caused by impropriate network configuration, impropriate parameterThe power flow controllers, e.g., the unified power flow controller (UPFC), may be the reason and thepaper, the critical existence condition of the APLF is newly integrated into the simultaneous power flowapproaching to the critical existing condition, the integrated power flow needs less iterations andBesides, with wind power fluctuation, the interval power flow (IPF) is introduced into the integrated

Keywords： active power loop flow (APLF) unified power flow controller (UPFC) wind power uncertainty interval powerflow (IPF)

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A novel flow electrode capacitive deionization device with spindle-shaped desalting chamber

Frontiers of Environmental Science & Engineering 2023, Volume 18, Issue 4, doi: 10.1007/s11783-024-1800-y

Abstract:

● A spindle-shaped influent chamber was designed and equipped in FCDI system.

Keywords： Spindle-shaped chamber Desalination performance Flow electrode capacitive deionization

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Simulation of horizontal slug-flow pneumatic conveying with kinetic theory

GU Zhengmeng, GUO Liejin

Frontiers in Energy 2007, Volume 1, Issue 3, Pages 336-340 doi: 10.1007/s11708-007-0050-6

Abstract: Wavelike slug-flow is a representative flow type in horizontal pneumatic conveying.Kinetic theory was introduced to establish a 3D kinetic numerical model for wavelike slug gas-solid flowThe characteristics of the flow, such as pressure drop, air velocity distribution, slug length and settledindicate that kinetic theory can represent the physical characteristics of the non-suspension dense phase flowThe experiment in this paper introduced a new idea for the numerical calculation of slug-flow pneumatic

Keywords： velocity distribution detailed slug-flow gas-solid theory