Ri CholUk

ORCID: 0000-0001-9754-6349
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Research Areas
  • Tribology and Lubrication Engineering
  • Magnetic Bearings and Levitation Dynamics
  • Gas Dynamics and Kinetic Theory
  • Gear and Bearing Dynamics Analysis
  • Soil Mechanics and Vehicle Dynamics
  • Cavitation Phenomena in Pumps
  • Soil Management and Crop Yield
  • Fluid dynamics and aerodynamics studies
  • Hydraulic and Pneumatic Systems
  • Plant Stress Responses and Tolerance
  • Aerodynamics and Fluid Dynamics Research
  • Modeling, Simulation, and Optimization
  • Computational Fluid Dynamics and Aerodynamics
  • Mechanical Engineering and Vibrations Research
  • Plant Molecular Biology Research
  • Particle Dynamics in Fluid Flows
  • Plant responses to water stress
  • Vehicle emissions and performance
  • Traffic control and management
  • Rocket and propulsion systems research
  • Dynamics and Control of Mechanical Systems
  • Traffic and Road Safety
  • Agriculture, Soil, Plant Science
  • Advanced machining processes and optimization

Intersection is one of the most important components urban roads, and traffic flow node that realizes route change. When vehicle passes through intersection due to need for conversion, driver can slow down, change lanes, park, steer. A series tasks such as acceleration, etc., must be completed, this process completed at its neighboring area. Therefore, a number conflict points are formed adjacent area, between flows in different directions, Traffic conflicts merger direction occur....

10.32628/ijsrset207643 article EN International Journal of Scientific Research in Science Engineering and Technology 2020-12-11

Purpose As a core rotating component of power machinery and working machinery, the rotor system is widely used in fields electric aviation. When operates at high speed, stability great importance. To enhance stability, squeeze film damper (SFD) being installed to alleviate vibration. The purpose this paper first classify into two types, dual single system, comprehensively specifically mention method generating dynamic model. Next, based on establishment model with without SFD optimization...

10.1108/aeat-08-2021-0256 article EN Aircraft Engineering and Aerospace Technology 2022-01-30

The inclusion of aerospike on blunt nose body hypersonic vehicle has been considered to be the simplest and most efficient technique for a concurrent reduction both aeroheating wave drag due speed. However, thermal mechanical behavior structure under coupling effect aerodynamic force remains unclear. In this study, structural response mounted was numerically simulated by applying 3 D fluid-thermal-structural method based loosely-coupled strategy. simulation, angle-of-attack spike’s length...

10.1177/0954410020976488 article EN Proceedings of the Institution of Mechanical Engineers Part G Journal of Aerospace Engineering 2020-12-06

Drought stress greatly affects the quality and yield of mulberry leaves, which eventually influences production silkworm cocoon. In this study, effect calcium chloride on drought tolerance was investigated. Different concentrations CaCl2 solutions were sprayed leaves under condition, physiological biochemical responses measured. As a result, spray (CaCl2-spray-on-leaves) proved to have gradual increases in measure parameters as compared CaCl2-untreated case same condition; furthermore, 20mM...

10.32628/ijsrset207624 article EN International Journal of Scientific Research in Science Engineering and Technology 2020-12-01

In this paper, based on the theory of rotor dynamics, nonlinear dynamics a system with an eccentric is analyzed. Taking double-support single turntable as object, mathematical modeling method and rotation analysis are analyzed in detail. According to ANSYS software, influence eccentricity relationship between nonlinearity

10.32628/ijsrset207634 article EN International Journal of Scientific Research in Science Engineering and Technology 2020-12-15

In order to increase the performance of three working parts this machine at same time, it needs its operating speed, 1MG11-200type compound paddy tiller consists mounted structure arranged subsoiler with cutting edge front part and rotary-tiller without power in middle curved tooth-beam harrow rear part, be able plough level a time. As speed increases clay loam, clod heaping occurs space subsoilers, even fill up spaces. Therefore, during working, is one important matter found optimum...

10.32628/ijsrset207639 article EN International Journal of Scientific Research in Science Engineering and Technology 2020-12-15

10.32628/ijsrmme21512 article EN International Journal of Scientific Research in Mechanical and Materials Engineering 2021-01-27

10.32628/ijsrmme21551 article EN International Journal of Scientific Research in Mechanical and Materials Engineering 2021-09-04
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