Results 1 to 10 of about 2,431,600 (241)
As the urgency for carbon-neutral fuels grows in response to global warming and environmental pollution, liquid hydrogen, with its high energy density, emerges as a promising candidate.
Myung-Sung Kim +3 more
doaj +1 more source
Investigation of Failure Causes of Oil Pump Based on Operating Conditions
Pumps, as core pieces of equipment in ships, are installed in the engine room to supply refined oil to the engine. Pump failure causes critical problems for ship operations.
Jong-Jik Lee +7 more
doaj +1 more source
A ship’s automatic mooring system relies on vacuum suction pads with rubber seals to withstand external loads, such as mooring forces. This paper focused on the design requirements and performance testing of vacuum suction pads to develop a high ...
Jaehyeon Ahn +6 more
doaj +1 more source
Simplified Vibration PSD Synthesis Method for MIL-STD-810
In MIL-STD-810, the environmental engineering consideration and laboratory tests by US military, the DP (damage potential) formula is used to calculate the fatigue damage by vibration environments which is a simplified version of a FDS (fatigue damage ...
Jin Jang, Jong-Won Park
doaj +1 more source
Investigation of friction coefficient to improve traction condition in R2R transport system
In a roll-to-roll (R2R) system, the roller’s traction force for precision transportation is crucial for the commercialization of printed electronic devices.
Woojoo Shin +5 more
doaj +1 more source
Mechanical Performance of Polymer Materials for Low-Temperature Applications
The present study investigates the strain-rate-dependent mechanical performances of three different kinds of polymers in low-temperature applications, including plastic piping systems.
Yongjin Kim +4 more
doaj +1 more source
Monitoring the Conditions of Hydraulic Oil with Integrated Oil Sensors in Construction Equipment
Maintenance and reliability are crucial aspects for operating construction equipment in harsh environmental conditions. One of the methods used to improve the maintenance and reliability of construction equipment is oil diagnosis.
Sung-Ho Hong, Hong-Gyu Jeon
doaj +1 more source
The accelerated corrosion by Flow Accelerated Corrosion (FAC) has caused unexpected rupture of piping, hindering the safety of nuclear power plants (NPPs) and sometimes causing personal injury.
Kyungha Ryu +3 more
doaj +1 more source
Numerical investigation on the hydraulic loss correlation of ring-type spacer grids
An accurate prediction of the pressure drop along the flow paths is crucial in the design of advanced passive systems cooled by heavy liquid metal coolants.
Kyung Ha Ryu +7 more
doaj +1 more source
In cluster analysis, determining the number of clusters is an important issue because there is less information about the most appropriate number of clusters in the real problem.
Zhuanzhe Zhao +6 more
doaj +1 more source

