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Numerical Investigation on Fluid Structure Interaction Considering Rotor Deformation for a Centrifugal Pump
centrifugal pump fluid structure interaction coupled solution
2011/8/5
The existing researches for unsteady flow field and the corresponding flow induced vibration analysis of centrifugal pump are mainly carried out respectively without considering the interaction betwee...
Structure Synthesis of Compliant Metamorphic Mechanisms Based on the Adjacency Matrix Operation
compliant metamorphic mechanism structure synthesis topological graph
2011/8/5
A compliant metamorphic mechanism is evolved from a rigid metamorphic mechanism, in which at least one compliant component should be included to deliver movement, force or energy and at least one rigi...
Structure Synthesis of Compliant Metamorphic Mechanisms
compliant metamorphic mechanism structure synthesis
2011/8/4
A compliant metamorphic mechanism is evolved from a rigid metamorphic mechanism, in which at least one compliant component should be included to deliver movement, force or energy and at least one rigi...
Topology Optimization of Compliant Mechanisms with Geometrical Nonlinearities Using the Ground Structure Approach
compliant mechanisms topology optimization geometrical nonlinearities
2011/8/4
The majority of topology optimization of compliant mechanisms uses linear finite element models to find the structure responses. Because the displacements of compliant mechanisms are intrinsically lar...
Scaling exponents of structure functions in an eccentrically rotating flask
Dispersants Extended Self-Similarity Hierarchical Structure model
2010/11/25
Velocity time series measurements were obtained using a hot-wire anemometer (HWA) in a Swirling flask eccentrically rotated by an orbital shaker. Two rotation speeds Ω were considered: 18.32 and 20.94...
A semi-symmetric non-metric connection on a unified structure manifold
Nijenhuise tensor contravariant almost analytic vector field.
2010/11/25
In this paper we have defined a new manifold n M∗. It is interesting to note that n M∗is integrable with respect to semi-symmetric non-metric connexion ∗∇[3]. Further it has be...
Methodology to Estimate Remaining Service Life of Steel Structure by Possibilistic Reliability Theory
steel structure system fuzzy fatigue damage possibilistic reliability
2011/8/3
Steel structure system of crane deteriorates over time due to environmental effects, material fatigue, and overloading. System structural reliability and remaining service life assessment methods are ...
Multi-objective Optimization Conceptual Design of Product Structure Based on Variable Length Gene Expression
gene expression multi-object optimization conceptual design
2011/8/3
It is a complicated problem for the bottom-to-top adaptive conceptual design of complicated products between structure and function. Reliable theories demand to be found in order to determine whether ...
Inlet Recirculation Influence to the Flow Structure of Centrifugal Impeller
centrifugal compressor inlet recirculation flow field calculation
2011/8/3
Inlet recirculation is proved as an effective way for centrifugal compressor surge margin extension, and is successively used in some engineering applications. Unfortunately its working mechanism is s...
Technological plasticity and structure in stainless steels during hot-working
Metallic alloys Hot deformation Microstructure
2009/12/14
Purpose: The high-temperature plastic deformation is coupled with dynamic processes of recovery influencing the structure and properties of alloys. One of crucial issues is finding the interdependence...
Influence of heat treatment on micro-structure of slurry aluminide coatings type TiAlSi obtained on TiAlCrNb alloy
Thin and thick coatings Aluminides Microstructural stability
2009/12/14
Purpose: Influence of heat treatment on microstructural changes in slurry TiAlSi coating deposited with 12.5% Si concentration on Ti48Al2Cr2Nb intermetallic alloy and investigation of the influence of...
Welding of girders to insert plates of composite steel-concrete structure of tower in Kuwait
Welding MMA insert plate Composite reinforces concrete
2009/12/1
Purpose: A study of influence of preheating and MMA welding technique of tee-joints of plate girders to insert
plates of a composite steel-concrete structure of the telecommunication tower, on the pr...
Structure of polypropylene parts from multicavity injection mould
Plastic forming Injection moulding polymer structure
2009/12/1
Purpose: The examination of structure of injection moulded parts, coming form different cavities of injection mould with
geometrically balanced runners, was the purpose of this research. The parts we...
THE VEINING STRUCTURE METHOD, THE FINITE ELEMENT METHOD IN THERMAL DEFORMATION DETERMINATION FOR THE MAIN SPINDLE AT NUMERICHAL CONTROL LATHES
finite element thermal deformation main spindle
2009/10/13
In the determination of the process accuracy on CNC lathe it is very important to know the thermal deformations. This article presents a new solution to obtain the thermal deformations at the principa...
Impacts of the structure and processing conditions on the voltage arise in machining of gray cast irons
Machining Cast iron Voltage difference
2010/2/9
Purpose: Machining is one of the most widely used manufacturing processes. The machining of gray cast iron is important because of wide application of these materials in various industries. The machin...