1,685 Result(s)
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Article
A cost-based algorithm for design of Cellular Manufacturing Systems
This paper describes a cost-based algorithm that deals with the design problems of Cellular Manufacturing Systems (CMS) associated exceptional parts and bottleneck machines. The developed algorithm employes ex...
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Evaluation on the fracture toughness and strength of fiber reinforced brittle matrix composites
It is well known in the fracture mechanics community that the performance of brittle materials, such as different types of ceramics which have low fracture toughness, improves significantly when fibers are add...
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Asymptotic analysis for a crack on interface of damaged materials
An asymptotic analysis for a crack lying on the interface of a damaged plastic material and a linear elastic material is presented in this paper. The present results show that the stress distributions along th...
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Article
Forced air cooling by using manifold microchannel heat sinks
A study of manifold microchannel (MMC) heat sinks for forced air cooling was performed experimentally. The manifold microchannel heat sink differs from a traditional microchannel (TMC) heat sink in that the fl...
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Article
NO2 chemiluminescent emission from flames influenced by acoustic noise
The effect of acoustic noise on combustion is investigated from the perspective of NOx emissions. A robust, plug-in probe that exploits the natural emission signal from the combustion gases, and which can have pr...
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Article
Thermal investigation of an infrared reflow oven with a convection fan
A two-dimensional numerical model for an infrared reflow soldering with a convection fan is used my modifying the Eftychiou’s numerical modeling. The two-dimensional tunnel model which predicts convective cond...
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Error modelling and measurement for the rotary table of five-axis machine tools
Rotary tables are widely used with multi-axis machine tools as a means for providing rotational motions for the cutting tools on the three-axis machine tools used for five-axis machining operations. In this pa...
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Article
Collinear cracks in a layered half – plane with a graded nonhomogeneous interfacial zone – Part II: Thermal shock response
In Part I of the paper, the problem of collinear cracks in a layered half-plane with a graded nonhomogeneous interfacial zone was investigated under mechanical loading and the cracking behavior was addressed b...
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Collinear cracks in a layered half-plane with a graded nonhomogeneous interfacial zone – Part I: Mechanical response
The problem of collinear cracks embedded in a layered half-plane is investigated. The medium consists of a surface layer and a semi-infinite substrate bonded through an interfacial zone with graded properties....
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A Layered 5-axis Machining Method
This paper discusses a method that combines 5-axis NC machining and rapid prototy** for manufacturing complex shape parts. The combination allows NC machining to deal with surfaces in a part that cannot be a...
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Article
An attitude determination algorithm for a spacecraft using nonlinear filter
In this paper, the algorithm for a real time attitude estimation of a spacecraft motion is investigated. The proposed algorithm for attitude estimation is the second order nonlinear filter form not containing ...
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A burning velocity correlation for premixed hydrogen/air/steam flames
In view of safety assessment of containment integrity in nuclear power plants, the structures and burning velocity characteristics of hydrogen/air/steam premixed flames have been analyzed numerically using a d...
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Article
Upper bound analysis for forging of trochoidal gears
Forging of trochoidal gears has been investigated by means of upper-bound analysis. A kinematically admissible velocity field for forging of a trochoidal gear was proposed. A neutral surface has been used to r...
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Article
Theoretical photoelastic stresses in three dimensional body with elastic contact
An understanding of the Hertz contact theory is important for investigating the failure strength and behavior of rolling and/or slip** mechanical-structural components. Two simple special cases including a c...
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Article
An experimental study on combustion processes and nox emission characteristics of the air-staged burner
The combustion processes and emission characteristics in air-staged burner have been experimentally studied. The light fuel oil doped with pyridine(C5H5N) is used to investigate the fuel NOX emission characterist...
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Article
Dual reciprocity boundary element analysis for the laminar forced heat convection problem in concentric annulus
This paper presents a study of the dual reciprocity boundary element method (DRBEM) for the laminar heat convection problem in a concentric annulus with constant heat flux boundary condition. DRBEM is one of t...
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Article
Residual stresses in a laminated shell during cure
In this paper, a viscoelastic finite element analysis was performed to investigate residual stresses occurred in a laminated shell during cure. A viscoelastic constitutive equation that can describe stress rel...
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Article
Use of momentum interpolation method and evaluation of higher-order bounded convection schemes for oscillatory natural convection of liquid metal
A study on the use of momentum interpolation method and higher-order bounded convection schemes for simulation of oscillatory natural convection of liquid metal in a square cavity is presented. The original Rh...
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Article
A mathematical study on a unified variational principle with two constrained parameters
In this paper, a parameterized variational principle based on a mixed functional obtained by a linear combination of the total potential energy functional, the modified Hellinger-Reissner functional, and the H...
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Article
Spacecraft attitude determination using a decoupling filter
In this paper, an algorithm for real-time attitude estimation of spacecraft motion is investigated. For efficient computation, the decoupling filter presented in this paper is accomplished by a derived pseudo-...
