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Advances in Studying Functional Components of Oil-Bearing Materials and Developments of Related Technology

Zhang Genwang

Strategic Study of CAE 2000, Volume 2, Issue 3,   Pages 82-86

Abstract:

Oil-bearing materials are the main source of vegetable oils and proteins.Due to the particularity of the functional components, current technology and equipments of oil industry

Keywords： oil-bearing materials     functional components     technological development    

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Effect of the degree of template removal from mesoporous silicate materials on their adsorption of heavyoil from aqueous solution

Farouq TWAIQ,M.S. NASSER,Sagheer A. ONAIZI

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 4,   Pages 488-497 doi: 10.1007/s11705-014-1459-1

Abstract: The key aim of this study is to evaluate the adsorption of heavy oil from aqueous solutions with differentoil contents over mesoporous silicate materials having different surfactant template contents.The mesoporous silicate materials have been synthesized from tetraethylorthosilicate as a silica precursorThe effect of the degree of template removal of these mesoporous materials for the oil removal has beenThe oil removal is inversely proportional to the surfactant content in the mesoporous material, being

Keywords： heavy oil     mesoporous silicate material     kinetics     template removal     adsorption    

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Sponge-based materials for oil spill cleanups: A review

Edward Mohamed Hadji, Bo Fu, Ayob Abebe, Hafiz Muhammad Bilal, Jingtao Wang

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 5,   Pages 749-762 doi: 10.1007/s11705-019-1890-4

Abstract: Elimination of leaked oil from aquatic environs has recently gained importance owing to the disastersaction concerning the environs has brought forward numerous affordable, non-toxic, and decomposable materialsMoreover, selectivity, sorption capacity, and reusability of these materials after the retrieval of oilsThis review encompasses the recent progress in the field of elimination and retrieval of oil spills usingvarious sponge-based materials.

Keywords： membranes     sponges     reusability     sorbents     selectivity     sorption capacity    

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Dynamics analysis of a cracked dual-disk over-hung rotor-bearing system

CHEN Hong, LI He, WEN Bang-chun, ZHANG Xiao-wei

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 2,   Pages 204-208 doi: 10.1007/s11465-006-0002-6

Abstract: A dynamic model of a dual-disk vertical over-hung rotor-bearing system is developed, taking into accountnonlinear oil-film force.amplitude spectra, we found that the crack greatly influences the dynamic characteristics of the rotor-bearingBecause of the strong effect of the nonlinear oil-film force and crack to the system, 1/2 times, 1/3The results may bring up theoretical references for fault diagnosis of rotor-bearing systems.

Keywords： nonlinear oil-film     diagnosis     bifurcation     dynamic     numerical Runge-Kutta    

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Easily-manufactured paper-based materials with high porosity for adsorption/separation applications in

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 7,   Pages 830-839 doi: 10.1007/s11705-022-2267-7

Abstract: high-content carboxyl groups as well as the construction of hierarchical micro-nano structure, the underwater oilThe separation efficiency of the emulsified oil was 99.3%, and the water flux was up to 2020 L·mThe continuous purification of complex wastewater can be achieved by using paper-based materials combinedsimple, low cost and environmental approach for the treatment of complex wastewater containing insoluble oil

Keywords： adsorption     oil–water separation     underwater superoleophobicity     wastewater treatment    

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Iterative HOEO fusion strategy: a promising tool for enhancing bearing fault feature

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0725-z

Abstract: techniques, the energy operator (EO) and its variants have received considerable attention in the field of bearingTo address these issues, this paper presents a novel EO fusion strategy for enhancing the bearing faultand experimental verifications confirm that the proposed strategy is more effective for enhancing the bearing

Keywords： higher order energy operator     fault diagnosis     manifold learning     rolling element bearing     information    

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New analysis model for rotor-bearing systems based on plate theory

Zhinan ZHANG, Mingdong ZHOU, Weimin DING, Huifang MA

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 4,   Pages 461-473 doi: 10.1007/s11465-019-0525-2

Abstract: The purpose of this work is to develop a new analysis model for angular-contact, ball-bearing systemsThe new analysis model is suitable for static and modal analyses of rotor-bearing systems.

Keywords： rotor-bearing system     rolling element bearing     plate theory     finite element analysis    

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API-based assessment on urban air environment bearing capability in China

Jinnan WANG,Jing ZHANG,Hongqiang JIANG,Yaling LU

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 6,   Pages 1049-1055 doi: 10.1007/s11783-014-0662-0

Abstract: By using this new method, the air environmental bearing capability of 333 cities at the prefecture levelThe results show that of the 333 cities 9.6% is of high bearing capability, 34.5% relatively high bearingcapability, 52.6% medium bearing capability, 2.7% low capability, and 0.6% is of weak bearing capability; in terms of regional distribution, the western region is of relatively high air environment bearingChengdu-Chongqing agglomerations are of relatively high carrying capacity while other agglomerations are of medium bearing

Keywords： air pollution index (API)     air environment bearing capability     key city     assessment method    

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The convexity about ultimate bearing hypersurfaces of structures

Chengxi GUO,Tingting GUO

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 4,   Pages 456-461 doi: 10.1007/s11709-016-0334-1

Abstract: The relationship between the convexity on the ultimate bearing surface of a structure and the second-orderHessian matrix composed of the second-order partial derivatives on the hypersurface about the ultimate bearingSome applications in the analysis of bearing capacity of structures were illustrated with examples.The study shows that an evaluation about the bearing capacity state of a complex structure can be madeon the basis of several points on the surface of the ultimate bearing of the structure.

Keywords： service     limit load     ultimate bearing surface     convexity     generalized force     generalized displacement     frame    

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Emerging and Innovative Materials for Hydropower Engineering Applications: Turbines, Bearings, Sealing Review

Emanuele Quaranta, Peter Davies

Engineering 2022, Volume 8, Issue 1,   Pages 148-158 doi: 10.1016/j.eng.2021.06.025

Abstract: Novel materials have also been recently developed to increase performance, durability, and reliabilityTherefore, in this paper, novel materials for hydropower applications are presented, and their performancecan reduce head losses by 4% to 20%, and novel bearing materials can reduce bearing wear by 6%.is not yet competitive with respect to the costs of traditional materials.The novel materials are described here based on the following categories: novel materials for turbines

Keywords： Bearing     Composite     Dam     Hydropower     Material     Ocean     Seal     Turbine    

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Foundations bearing capacity subjected to seepage by the kinematic approach of the limit analysis

Mehdi VEISKARAMI, Ghasem HABIBAGAHI

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 4,   Pages 446-455 doi: 10.1007/s11709-013-0227-5

Abstract: The kinematic approach of the limit analysis was employed to find the upper-bound limit of the bearingIt was found that the bearing capacity has a decreasing trend with increase in the groundwater flow gradientand hence, a reduction factor has been introduced to the third term in the bearing capacity equation

Keywords： foundation     bearing capacity     limit analysis     numerical computation     plasticity     seepage    

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Undrained seismic bearing capacity of strip footing adjacent to a heterogeneous excavation

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 4,   Pages 566-583 doi: 10.1007/s11709-023-0905-x

Abstract: The analysis of the bearing capacity of strip footings sited near an excavation is critical in geotechnicseffects of the geometrical features of the excavation and the soil strength properties on the seismic bearingDesign charts and tables were produced to clarify the relationship between the undrained seismic bearing

Keywords： excavation     finite element limit analysis     heterogeneous soil     strip footing     undrained bearing capacity    

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Influence of the Mechanical Seals on the Dynamic Performance of Rotor–Bearing Systems

XU Hua, ZHU Jun

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 1,   Pages 96-100 doi: 10.1007/s11465-005-0008-5

Abstract: the transfer matrix method are used to establish the equations for the dynamics performance of rotor bearingTo check the response of the rotor bearing system under unbalance motivation, the Gauss method is usedthat may affect the dynamic performance and forced vibration under unbalance motivation of the rotor bearingThe analysis results show that the mechanical seal more or less has effects on the rotor bearing systemThe mechanical seal has much more effects on the flexible rotor bearing system than on the rigid one.
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Ultimate bearing capacity of strip footing resting on clay soil mixed with tire-derived aggregates

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 1016-1024 doi: 10.1007/s11709-021-0751-7

Abstract: use of recycled tire-derived aggregate (TDA) mixed with kaolin as a method of increasing the ultimate bearing

Keywords： kaolin     physical modeling tests     stabilization     numerical modeling    

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Temperature control of transfer roller’s bearing based on finite element analysis

Peng ZHANG, Yourong LI, Han XIAO

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 2,   Pages 215-218 doi: 10.1007/s11465-009-0026-9

Abstract: Second, the sub-model of the fixed end bearing is built and the boundary condition of the sub-model isThe analysis result of the sub-model shows that the temperature of the transfer roller bearing exceeds

Keywords： transfer roller bearing     finite element analysis     sub-model     temperature control    

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Title Author Date Type Operation

Advances in Studying Functional Components of Oil-Bearing Materials and Developments of Related Technology

Zhang Genwang

Journal Article

Effect of the degree of template removal from mesoporous silicate materials on their adsorption of heavyoil from aqueous solution

Farouq TWAIQ,M.S. NASSER,Sagheer A. ONAIZI

Journal Article

Sponge-based materials for oil spill cleanups: A review

Edward Mohamed Hadji, Bo Fu, Ayob Abebe, Hafiz Muhammad Bilal, Jingtao Wang

Journal Article

Dynamics analysis of a cracked dual-disk over-hung rotor-bearing system

CHEN Hong, LI He, WEN Bang-chun, ZHANG Xiao-wei

Journal Article

Easily-manufactured paper-based materials with high porosity for adsorption/separation applications in

Journal Article

Iterative HOEO fusion strategy: a promising tool for enhancing bearing fault feature

Journal Article

New analysis model for rotor-bearing systems based on plate theory

Zhinan ZHANG, Mingdong ZHOU, Weimin DING, Huifang MA

Journal Article

API-based assessment on urban air environment bearing capability in China

Jinnan WANG,Jing ZHANG,Hongqiang JIANG,Yaling LU

Journal Article

The convexity about ultimate bearing hypersurfaces of structures

Chengxi GUO,Tingting GUO

Journal Article

Emerging and Innovative Materials for Hydropower Engineering Applications: Turbines, Bearings, Sealing

Emanuele Quaranta, Peter Davies

Journal Article

Foundations bearing capacity subjected to seepage by the kinematic approach of the limit analysis

Mehdi VEISKARAMI, Ghasem HABIBAGAHI

Journal Article

Undrained seismic bearing capacity of strip footing adjacent to a heterogeneous excavation

Journal Article

Influence of the Mechanical Seals on the Dynamic Performance of Rotor–Bearing Systems

XU Hua, ZHU Jun

Journal Article

Ultimate bearing capacity of strip footing resting on clay soil mixed with tire-derived aggregates

Journal Article

Temperature control of transfer roller’s bearing based on finite element analysis

Peng ZHANG, Yourong LI, Han XIAO

Journal Article