Results 1 to 10 of about 2,116,123 (314)

Analysis of a Stator-Rotor-Stator Spinning Disk Reactor in Single-Phase and Two-Phase Boiling Conditions Using a Thermo-Fluid Flow Network and CFD [PDF]

open access: goldFluids, 2022
Cryogenic liquid propellants are used in liquid rocket engines to obtain high specific impulse. The flow rates are controlled by turbopumps that deliver liquid propellant to the engine at high pressure levels.
Lorenzo Mazzei   +8 more
doaj   +2 more sources

Experimental Investigation of Artificial Cavities Effect of Single-Phase Fluid Flow and Heat Transfer in Single Microchannel [PDF]

open access: yesEngineering and Technology Journal, 2022
In this paper, an experimental study has been conducted to investigate the influence of artificial cavities (artificial nucleation sites, ANS) in a single microchannel on the characteristics of flow and heat transfer at a single-phase flow.
Qahtan Al-Nakeeb   +2 more
doaj   +1 more source

A Study of Passenger Car Cabin Pre-Ventilation under the Sun

open access: yesEnergies, 2023
With the increasing intelligence of automobiles, vehicle pre-ventilation can be better controlled. In summer, cars parked in the open air are directly exposed to sunlight; thus, a high-temperature environment is formed in the occupant cabin, which ...
Yingchao Zhang   +4 more
doaj   +1 more source

From Darcy Equation to Darcy Paradox

open access: yesFluids, 2022
This theoretical paper focuses on the single-phase fluid flow through a granular porous medium. The emphasis is on the Darcy flow regime (without free boundary) of a linear viscous fluid in a saturated, deformable, homogeneous porous medium. The approach
Carmine Di Nucci, Daniele Celli
doaj   +1 more source

On global solutions to a viscous compressible two-fluid model with unconstrained transition to single-phase flow in three dimensions [PDF]

open access: yesCalculus of Variations and Partial Differential Equations, 2019
We consider the Dirichlet problem for a compressible two-fluid model in multi-dimensions. It consists of the continuity equations for each fluid and the momentum equations for the mixture.
Huanyao Wen
semanticscholar   +1 more source

Study on Variation Laws of Fluid Threshold Pressure Gradient in Low Permeable Reservoir

open access: yesEnergies, 2020
A study on the seepage characteristics and laws of nano-micron pore throat in a low permeable reservoir matrix is of great significance for promoting high efficacy of low permeable reservoirs.
Mingwei Zhao   +3 more
doaj   +1 more source

Heat Transfer Deterioration by the Copper Oxide Layer on Horizontal Subcooled Flow Boiling

open access: yesApplied Mechanics, 2023
Water–copper is one of the most common combinations of working fluid and heating surface in high-performance cooling systems. Copper is usually selected for its high thermal conductivity and water for its high heat transfer coefficient, especially in the
Edgar Santiago Galicia   +6 more
doaj   +1 more source

Estimation of the heterogeneity of the reservoir fluid inflow to the cross-sectional contour of a vertical well

open access: yesУчёные записки Казанского университета: Серия Физико-математические науки, 2020
The reasons for the heterogeneity of the reservoir fluid inflow to the cross-sectional contour of a vertical well can be: a) asymmetry of the external pressure field relative to the well axis as a result of the interference of the surrounding wells; b ...
K.A. Potashev, R.R. Akhunov
doaj   +1 more source

Thermal-hydrodynamic and exergetic study of two-phase flow in helically coiled pipe with helical wire insert

open access: yesCase Studies in Thermal Engineering, 2022
This paper presents a multi-objective experimental study, to enhance the thermal performance of the helically coiled pipe. The main objective of this study is the hydrothermal evaluation of single-phase (water) flow and two-phase flow (air-water ...
Mehran Hashemian   +3 more
doaj   +1 more source

Simulation of Drag Reducer Polymer (DRP) for Single and Annular Two Phase Flow in Horizontal Pipe

open access: yesJurnal Rekayasa Kimia & Lingkungan, 2018
Drag reducing polymers (DRP) is one of drag reducer types that is widely used in industry as an additive to improve fluid flow efficiency in pipes. This study is conducted to analyze the parameters that influence the efficiency of DRP through developing ...
Cindy Dianita   +2 more
doaj   +1 more source

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