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This report studies sales (consumption) of Wind Gear Box in Global market, especially in United States, China, Europe, Japan, focuses on top players in these regions/countries, with sales, price, revenue and market share for each player in these regions, covering Winergy Bosch Rexroth Broadwind Energy Moventas Zollern Ishibashi NGC Gears GE Flender Gamesa China Transmission Chongqing Gearbox DHI DCW Group China National Erzhong Group Hangzhou Advance Gearbox Group Ningbo Donly transmission equipment Guo Dian United Power Hansen transmissions company TaiYuan Heavy Industry Shenyang Blower Works Group View Full Report With Complete TOC, List Of Figure and Table: http://globalqyresearch.com/global-wind-gear-box-sales-market-report-2016 Market Segment by Regions, this report splits Global into several key Regions, with sales (consumption), revenue, market share and growth rate of Wind Gear Box in these regions, from 2011 to 2021 (forecast), like United States China Europe Japan Split by product Types, with sales, revenue, price and gross margin, market share and growth rate of each type, can be divided into Type I Type II Type III Split by applications, this report focuses on sales, market share and growth rate of Wind Gear Box in each application, can be divided into Application 1 Application 2 Application 3 Global Wind Gear Box Sales Market Report 2016 1 Wind Gear Box Overview 1.1 Product Overview and Scope of Wind Gear Box 1.2 Classification of Wind Gear Box 1.2.1 Type I 1.2.2 Type II 1.2.3 Type III 1.3 Application of Wind Gear Box 1.3.1 Application 1 1.3.2 Application 2 1.3.3 Application 3 1.4 Wind Gear Box Market by Regions 1.4.1 United States Status and Prospect (2011-2021) 1.4.2 China Status and Prospect (2011-2021) 1.4.3 Europe Status and Prospect (2011-2021) 1.4.4 Japan Status and Prospect (2011-2021) 1.5 Global Market Size (Value and Volume) of Wind Gear Box (2011-2021) 1.5.1 Global Wind Gear Box Sales and Growth Rate (2011-2021) 1.5.2 Global Wind Gear Box Revenue and Growth Rate (2011-2021) 7 Global Wind Gear Box Manufacturers Analysis 7.1 Winergy 7.1.1 Company Basic Information, Manufacturing Base and Competitors 7.1.2 Wind Gear Box Product Type, Application and Specification 7.1.2.1 Type I 7.1.2.2 Type II 7.1.3 Winergy Wind Gear Box Sales, Revenue, Price and Gross Margin (2011-2016) 7.1.4 Main Business/Business Overview 7.2 Bosch Rexroth 7.2.1 Company Basic Information, Manufacturing Base and Competitors 7.2.2 112 Product Type, Application and Specification 7.2.2.1 Type I 7.2.2.2 Type II 7.2.3 Bosch Rexroth Wind Gear Box Sales, Revenue, Price and Gross Margin (2011-2016) 7.2.4 Main Business/Business Overview 7.3 Broadwind Energy 7.3.1 Company Basic Information, Manufacturing Base and Competitors 7.3.2 132 Product Type, Application and Specification 7.3.2.1 Type I 7.3.2.2 Type II 7.3.3 Broadwind Energy Wind Gear Box Sales, Revenue, Price and Gross Margin (2011-2016) 7.3.4 Main Business/Business Overview 7.4 Moventas 7.4.1 Company Basic Information, Manufacturing Base and Competitors 7.4.2 Nov Product Type, Application and Specification 7.4.2.1 Type I 7.4.2.2 Type II 7.4.3 Moventas Wind Gear Box Sales, Revenue, Price and Gross Margin (2011-2016) 7.4.4 Main Business/Business Overview 7.5 Zollern 7.5.1 Company Basic Information, Manufacturing Base and Competitors 7.5.2 Product Type, Application and Specification 7.5.2.1 Type I 7.5.2.2 Type II 7.5.3 Zollern Wind Gear Box Sales, Revenue, Price and Gross Margin (2011-2016) 7.5.4 Main Business/Business Overview 7.6 Ishibashi 7.6.1 Company Basic Information, Manufacturing Base and Competitors 7.6.2 Million USD Product Type, Application and Specification 7.6.2.1 Type I 7.6.2.2 Type II 7.6.3 Ishibashi Wind Gear Box Sales, Revenue, Price and Gross Margin (2011-2016) 7.6.4 Main Business/Business Overview 7.7 NGC Gears 7.7.1 Company Basic Information, Manufacturing Base and Competitors 7.7.2 Machinery & Equipment Product Type, Application and Specification 7.7.2.1 Type I 7.7.2.2 Type II 7.7.3 NGC Gears Wind Gear Box Sales, Revenue, Price and Gross Margin (2011-2016) 7.7.4 Main Business/Business Overview 7.8 GE 7.8.1 Company Basic Information, Manufacturing Base and Competitors 7.8.2 Product Type, Application and Specification 7.8.2.1 Type I 7.8.2.2 Type II 7.8.3 GE Wind Gear Box Sales, Revenue, Price and Gross Margin (2011-2016) 7.8.4 Main Business/Business Overview 7.9 Flender 7.9.1 Company Basic Information, Manufacturing Base and Competitors 7.9.2 Product Type, Application and Specification 7.9.2.1 Type I 7.9.2.2 Type II 7.9.3 Flender Wind Gear Box Sales, Revenue, Price and Gross Margin (2011-2016) 7.9.4 Main Business/Business Overview 7.10 Gamesa 7.10.1 Company Basic Information, Manufacturing Base and Competitors 7.10.2 Product Type, Application and Specification 7.10.2.1 Type I 7.10.2.2 Type II 7.10.3 Gamesa Wind Gear Box Sales, Revenue, Price and Gross Margin (2011-2016) 7.10.4 Main Business/Business Overview 7.11 China Transmission 7.12 Chongqing Gearbox 7.13 DHI DCW Group 7.14 China National Erzhong Group 7.15 Hangzhou Advance Gearbox Group 7.16 Ningbo Donly transmission equipment 7.17 Guo Dian United Power 7.18 Hansen transmissions company 7.19 TaiYuan Heavy Industry 7.20 Shenyang Blower Works Group Global QYResearch ( http://globalqyresearch.com/ ) is the one spot destination for all your research needs. Global QYResearch holds the repository of quality research reports from numerous publishers across the globe. Our inventory of research reports caters to various industry verticals including Healthcare, Information and Communication Technology (ICT), Technology and Media, Chemicals, Materials, Energy, Heavy Industry, etc. With the complete information about the publishers and the industries they cater to for developing market research reports, we help our clients in making purchase decision by understanding their requirements and suggesting best possible collection matching their needs.


Han F.,Xi'an Jiaotong University | Mao Y.,Xi'an Jiaotong University | Tan J.,Shenyang Blower Works
Journal of Mechanical Science and Technology | Year: 2016

Radial inlets are typical upstream components of multistage centrifugal compressors. Unlike axial inlets, radial inlets generate additional flow loss and introduce flow distortions at impeller inlets. Such distortions negatively affect the aerodynamic performance of compressor stages. In this study, industrial centrifugal compressor stages with different radial inlets are investigated via numerical simulations. Two reference models were built, simulated, and compared with each original compressor stage to analyze the respective and coupling influences of flow loss and inlet distortions caused by radial inlets on the performances of the compressor stage and downstream components. Flow loss and inlet distortions are validated as the main factors through which radial inlets negatively affect compressor performance. Results indicate that flow loss inside radial inlets decreases the performance of the whole compressor stage but exerts minimal effect on downstream components. By contrast, inlet distortions induced by radial inlets negatively influence the performance of the whole compressor stage and exert significant effects on downstream components. Therefore, when optimizing radial inlets, the reduction of inlet distortions might be more effective than the reduction of flow loss. This research provides references and suggestions for the design and improvement of radial inlets. © 2016, The Korean Society of Mechanical Engineers and Springer-Verlag Berlin Heidelberg.


Lu F.A.,Xi'an Jiaotong University | Qi D.T.,Xi'an Jiaotong University | Wang X.J.,Shenyang Blower Works | Zhou Z.,Xi'an Jiaotong University | Zhou H.H.,Xi'an Jiaotong University
Journal of Sound and Vibration | Year: 2012

A numerical optimization is presented to reduce the vibration and noise of a centrifugal fan volute. Minimal vibration was considered as the aim of the optimization, and the calculation of sound field induced by the vibration of the volute was only based on the final results of the optimization. After the three-dimensional unsteady flow simulation of a centrifugal fan, the parametric finite element model of the volute was created using the pressure fluctuations at blade passing frequency on the volute as external excitation forces. To validate the finite element model of the volute, natural frequencies and amplitudes of the normal velocities of the volute at blade passing frequency were measured. A good agreement was found between the numerical and the experimental results. Then, random method and first-order optimization method were applied in the optimization process. The numerical optimization of the volute was carried out using the local thickness of the volute as design variables and the quadratic sum of the nodal velocities as an objective function. Numerical optimization results show that the volute vibration is reduced by the optimization method. Finally, vibroacoustics of the volute before and after the optimization were calculated by direct boundary element method. The results show that the radiated power of the vibroacoustics of the volute is reduced significantly as well as the vibration of the volute after the optimization.This numerical optimization process provides a useful reference for vibroacoustic reduction of centrifugal compressors and centrifugal fans whose fluids should be kept strictly in a system without leakage. © 2012 Elsevier Ltd. All rights reserved.


Tan J.,Xi'an Jiaotong University | Wang X.,Shenyang Blower Works | Qi D.,Xi'an Jiaotong University | Wang R.,Shenyang Blower Works
Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science | Year: 2011

Variable inlet guide vanes (VIGVs) can regulate pressure ratio and mass flow at constant rotational speed in centrifugal compressors as a result of inducing a controlled prewhirl in front of impellers. Radial inlets and VIGVs are typical upstream components in front of the first-stage impellers in many industrial centrifugal compressors. However, previous investigations on VIGVs in centrifugal compressors were mostly conducted under the condition of axial inlets, and this study aims to focus on the effects of radial inlet on the VIGVs performance of a centrifugal compressor stage. The axial inlet stage model is compared with the radial inlet stage model with splitters using numerical flow simulation. The flow from the radial inlet was nonuniform in both circumferential and radial directions; thus, the VIGVs, the impeller, the vaneless diffuser, and the return vane channel are modelled with fully 360° passages. The three-dimensional (3D) flow field is numerically simulated at VIGVs setting angles ranging from -20° to 60°. The overall stage performance parameters are obtained by integrating the field quantities. Though the splitters are equipped in the radial inlet, the overall stage polytropic efficiency decreases by an average of 4 per cent and total pressure ratio decreases by an average of 3.3 per cent in comparison with the axial stage model. This can be attributed to the effect of both flow non-uniformity induced by radial inlet and flow loss in the radial inlet at different VIGV setting angles. The flow loss in the radial inlet with splitters is the main reason of the stage performance decrease compared with the flow non-uniformity. The simulation results show that the performance of VIGVs is degraded by its inlet flow distortions resulting from a radial inlet. The results in this study can be applied to centrifugal compressor design and optimization. © Authors 2011.


Guo T.,Shenyang Blower Works | Wang Y.-F.,Shenyang Blower Works | Wang Y.-F.,Dalian University of Technology | Wang Y.-F.,State Key Laboratory of Structural Analysis for Industrial Equipment
Gongcheng Lixue/Engineering Mechanics | Year: 2011

Beetles cuticles have delicate and complicated body structures. In this paper several models are developed based on the observation of microstructures of beetle cuticles. The analysis for capability of energy-absorbing of beetle cuticles are presented with the nonlinear finite element software ANSYS/LS-DYNA. The discussions on effects of structures and materials are provided. The structures of original models are improved to make them resemble the trabecular structure of beetle cuticles for larger energy absorptions. A comparison is carried out between the improved model and cylindrical tube in terms of static and dynamic axial impact responses. The results show that the improved model absorbs more energy and performs in more stability way than the tube. This makes it an excellent structure for the device of structural crashworthy and energy absorption.


Li X.N.,Dalian University of Technology | Ding J.X.,Dalian University of Technology | Xu L.Y.,Dalian University of Technology | Bao C.M.,Shenyang Blower Works | And 2 more authors.
Surface and Coatings Technology | Year: 2014

It was previously known that C-doping in Cu effectively enhances the film thermal stability and maintains a low electrical resistivity even upon high-temperature annealing, via a diffusion inhibiting the mechanism of C-stabilized oxide interlayer between Cu and Si. In the present work, the stability and resistivity are investigated in two Cu films doped with more C, respectively 2.9. at.% and 4.2. at.% as measured by EPMA. As expected, the thermal stability is even further enhanced, without significantly affecting the resistivity. After a systematic microstructural investigation by TEM, it is revealed that the relevant mechanism lies both in the enhanced stability via C dissolution in the silica native oxide layer at the Cu/Si interface and in the C-passivated Si surface zone beneath the layer. In the 4.2% C film, the Cu/Si interaction is mainly inhibited by self-forming SiC nano-particles and the resistivity remains below 3. μΩ·cm even upon annealing at 500. °C for 40. h. The C-doping can then be a simple process route towards manufacturing stable Cu interconnects. © 2014 Elsevier B.V.


Ji C.,Dalian University of Technology | Wang Y.,Shenyang Blower Works
Proceedings of 2011 International Conference on Electronic and Mechanical Engineering and Information Technology, EMEIT 2011 | Year: 2011

Based on the three dimensional geometry of the prototype design of a mixed flow pump, a numerical flow simulation and analytic platform based on commercial CFD software NUMECA was established to simulate the three-dimensional flows in the pumps. The pump volute with scroll-type and different cross-sections were studied. The key sources of the flow losses were analyzed and detailed structural modifications were proposed in this paper. Final results indicate that the efficiency can be increased by 4%. © 2011 IEEE.


Xu Z.,Shenyang University of Technology | Xu Z.,Shenyang Blower Works | Wang S.,Shenyang University of Technology
Hsi-An Chiao Tung Ta Hsueh/Journal of Xi'an Jiaotong University | Year: 2010

The unexpected cracking of the crankshafts in a six-crank reciprocating compressor occurred frequently. The severe vibration of the compressor and the scuffing of the 1st and 2nd crank bearings existed after the diameter of the main shaft was magnified. In this paper, modal and dynamic response of the initial crankshaft and the crankshaft with the diameter magnified are analyzed with ANSYS finite element analysis software. The results show that the cracking of crankshafts results from fatigue damage and torsional vibration. Given the diameter of the main shaft magnified, if two plate flanges connecting the 2nd shaft and the 3rd shaft are integrated by hot assembling, the rotating inertia-mass of the modified crankshafts will be enlarged and the frequency ratio r will increase, leading to disappearance of the sympathetic vibration.


Hui H.,Shenyang Blower Works
Advanced Materials Research | Year: 2012

A multi-objective scheduling method based on the controlled Petri net and GA is proposed to the flexible job shop scheduling problem (FJSP). Function objectives of the proposed method are to minimize the completion time and the total expense and workload of machines. Firstly, a Parikh vector based approach for Petri net controller is introduced, and based on this method, the Petri net model is constructed for FSP with machine breaking down. Then, the genetic algorithm (GA) is applied based on the controlled Petri net model and Pareto. Finally, simulation results based on an example show that the method is efficient. © (2012) Trans Tech Publications, Switzerland.


Zhao Y.Q.,Northeastern University China | Mao J.H.,Shenyang Blower Works
Advanced Materials Research | Year: 2014

Drill steel is a special steel specifically tailored for drilling rods. To understand the microstructure properties and dimensional accuracy of the drill steel, a rigid plastic finite element method was used to analysis Mannesmann piercing in steel drilling production. The three-dimensional thermal-force coupling FEM models were computer generated with different feed angle. The metal deformation during the piercing process was analyzed in detail. The influence of feed angle on deformation, force, velocity and strain was obtained through simulations. © (2014) Trans Tech Publications, Switzerland.

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