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Article
A study on flow control valve characteristics in an oil hydraulic vane pump for power steering systems
In the power steering system of an automobile, the balanced and fixed displacement type vane pump is principally applied to the main power source. It is driven by a pulley that is attached to the shaft of the ...
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Article
The friction characteristics of the journal bearing in a reciprocating compressor for refrigeration and air conditioning systems
The performance of a reciprocating compressor in refrigeration and air-conditioning systems is influenced by the lubrication characteristics of the critical sliding components. Thus, the lubrication characteri...
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Article
The effect of injection pressure and fuel viscosity on the spray characteristics of biodiesel blends injected into an atmospheric chamber
An experimental study was conducted to examine the effect of injection pressure and fuel type on the spray tip penetration length and the angle of spray injected into atmospheric chamber. The objective of the ...
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Article
The influence of ceramic surface treatments on the microtensile bond strength of resin cements to Y-TZP ceramic
The effects of surface conditioning methods on the microtensile bond strength of Y-TZP ceramic were studied based on airborne particle abrasion and resin cements. Eight square-shaped (ϕ12 mm×5 mm high) Y-TZP cera...
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Article
Bending properties of GCr15 steel guide rail under the multi-step loading
To analyze the bending properties of GCr15 steel guide rail based on the elastic-plastic theory, the novel bending loading method consisting of multi-step loading and corresponding unloading was applied in thr...
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Article
Lubrication characteristics of a rotary compressor used for refrigeration and air-conditioning systems (the influence of alternative refrigerants)
The rolling piston type rotary compressor has been widely used for refrigeration and air-conditioning systems due to its compactness and high-speed characteristics. However, it is necessary to develop alternat...
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Article
Comparative study of visual and instrumental analyses of shade selection
The difference between visual and instrumental analyses of a shade selection on natural teeth was investigated. With visual analysis, five prosthodontist examined the middle third of the unrestored maxillary r...
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Chapter and Conference Paper
A Study on Lubrication Characteristics between Piston Ring and Cylinder Bore of Bent-Axis Type Piston Pump
The bent-axis type piston pump which is driven by the piston rod works on the way that the piston rod drives the cylinder block, so the taper angle of the piston rod and the swivel angle between the cylinder b...
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Article
Effects of chairside polishing and brushing on surface roughness of acrylic denture base resins
The effects of 3 chairside polishing kits and mechanical brushing on the surface roughness of 3 different acrylic denture base resins were compared. Acrylic denture base resins (auto-polymerizing, heat-polymer...
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Article
Analysis of piston behavior according to eccentricity ratio of disk in bent-axis type piston pump
To improve the performance of the bent-axis type axial piston pump driven by the tapered piston, it is necessary to know the driving characteristics and mechanism of the tapered piston and the cylinder block. ...
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Chapter and Conference Paper
A Study of Meta-Search Agent Based on Tags and Ontological Approach for Improving Web Searches
Recent increase in interest for information ranking and sharing among users with similar tastes has urged many researches towards improving relevance of search results for reducing costs and offering better qu...
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Article
Use of herbicide-resistant genic male sterility in hybrid rice seed production
One of the difficult problems in hybrid rice seed production is the low outcrossing frequency and requirement for much labor to produce hybrid seeds. In order to simplify the process of hybrid rice seed produc...
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Article
The Influence of the vane on the lubrication characteristics between the vane and the rolling piston of a rotary compressor
The rolling piston type rotary compressor has been widely used for refrigeration and air-conditioning systems due to its compactness and high-speed operation. The present analysis is part of a research program...
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Article
The Lubrication characteristics of the vane tip under pressure boundary condition of oil hydraulic vane pump
The Lubrication Mode of line contacts between the vane and the camring in an oil hydraulic vane pump has been investigated. First, the variations of the radial force of a vane were calculated from previous mea...
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Article
The lubrication characteristics of the vane tip under inlet pressure boundary conditions for an oil hydraulic vane pump
The lubrication modes of line contact between the vane and the camring in an oil hydraulic vane pump have been investigated. First, variations of the radial acting force of a vane were calculated from previous...
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Article
Measurment of fluid film thickness on the valve plate in oil hydraulic axial piston pumps (Part II: Spherical design effects)
Tribologtcal characteristics in the sliding parts of oil hydraulic piston pumps are very important in increasing overall efficiency In this study, the fluid film between the valve plate and the cylinder block ...
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Article
Relation between pressure variations and noise in axial type oil piston pumps
Pressure variation is one of the major sources on noise emission in the axial type oil piston pumps. Therefore, it is necessary that the pressure variation characteristics of the oil hydraulic piston pumps be ...
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Article
Driving mechanism of tapered pistons in bent-axis design axial piston pumps
In order to assure the quality of the bent axis design axial piston pumps driven by tapered pistons, it is necessary to know the characteristics of force applied to tapered pistons and the mechanism for drivin...
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Article
Measurement of fluid film thickness on the valve plate in oil hydraulic axial piston pumps (I)-bearing pad effects-
The tribological mechanism between the valve plate and the cylinder block in oil hydraulic axial piston pumps plays an important role on high power density. In this study, the fluid film thickness between the ...
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Article
Lubrication characteristics between the vane and the rolling piston in a rotary compressor used for refrigeration and air-conditioning systems
The rolling piston type-rotary compressor has been widely used for refrigeration and air-conditioning systems due to its compactness and high-speed operation. The present analysis is part of a research program...
