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RISTransient Process Analysis of Oscillating Motion in Oscillating Heat Pipes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: During the startup phase, oscillating heat pipes (OHPs) exhibit a transient process in which the working fluid moves erratically until a steady-state oscillatory flow is attained. Understanding the transient process is ...
Experimental Investigation of Magnetic Field Effect on the Magnetic Nanofluid Oscillating Heat Pipe
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The magnetic field effect on oscillating motion and heat transfer in an oscillating heat pipe (OHP) containing magnetic nanofluid was investigated experimentally. The nanofluid consisted of distilled water and dysprosium ...
Experimental Investigation of Oscillating Heat Pipe With Hybrid Fluids of Liquid Metal and Water
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: A new oscillating heat pipe (OHP) charged with hybrid fluids can improve thermal performance. The key difference in this OHP is that it uses room temperature liquid metal (Galinstan consisting of gallium, indium, and tin) ...
Experimental Investigation of a Three-Phase Oscillating Heat Pipe
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: This paper presents an investigation of a three-phase oscillating heat pipe (3P OHP). The working fluid in the OHP consists of phase change material (PCM) and water. During the operation, the PCM changes the phase between ...
Self-driven Liquid Metal Mollusk Oscillations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Room temperature liquid metal (galinstan, made up of gallium, indium and tin) is driven to oscillate by the phase change of water in the self-excited oscillating heat pipe (OHP) charged with liquid metal and water. The ...
Visualization of an Oscillating Heat Pipe with Hydraulic Diameter Far Exceeding the Conventional Maximum Hydraulic Diameter
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: For an oscillating heat pipe (OHP), the hydraulic diameter must be sufficiently small so that vapor plug and liquid slug can be formed by the capillary action. Therefore, the hydraulic diameter should not exceed a critical ...
Condensation and Wetting Behavior on Hybrid Superhydrophobic and Superhydrophilic Copper Surfaces
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A novel hybrid superhydrophobic and superhydrophilic copper surface was fabricated using a lift-off process to integrate the benefits of dropwise and filmwise condensation together. The superhydrophilic surface was comprised ...
Experimental Investigation of Liquid Metal Droplet on the Heat Transfer Performance in an Oscillating Heat Pipe
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An oscillating heat pipe (OHP) charged with a hybrid fluid is investigated. This hybrid fluid uses an emulsion-based mixture of liquid metal gallium microdroplets suspended in an ethanol solution. The gallium microdroplets ...
Thermal Properties of Disodium Hydrogen Phosphate Dodecahydrate–Coated Metal Foam/Sodium Acetate Trihydrate Composite as Phase Change Material
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Salt hydrates, like the sodium acetate trihydrate (SAT), possess a remarkable ability to store copious amounts of thermal energy, thanks to their ingenious utilization of a high latent heat of fusion. This unique property ...
Wettability Control of VACNT Array through Atmospheric Plasma Treatment
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Wetting characteristics of the vertically aligned carbon nanotube (VACNT) array surface can be modified by atmospheric plasma treatment with masks. The plasma treatment of the VACNT array surface was performed by moving ...