Results 241 to 250 of about 194,559 (288)
Polymer Engineering &Science, EarlyView.Photographs and numerical simulation predictions of parison deformation near the pinch‐off weld showing the rounded material shape along the pinch‐off seam inside the part at the end of extrusion blow molding of a HDPE polymer. Abstract An outstanding problem in extrusion blow‐molding process of polymers is the precise prediction of the parison shape ...
Kalonji K. Kabanemi +3 more
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Effect of Nanoparticle Size on Cysteine‐Gold Surface Interactions
Particle &Particle Systems Characterization, EarlyView.Stronger and/or more frequent interactions for smaller (5 nm) than larger (20 nm) gold nanoparticles with L‐Cysteine. Surface gold interactions with functional groups: Thiol > amino >> carboxyl. Cysteine increased the agglomeration of the gold nanoparticles in solution but stabilized the nanospecific properties (hindered aggregation) of the smallest (5
S. Marzieh Kalantarian +8 more
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Process Safety Progress, EarlyView.Abstract In Korea, the inspection and maintenance intervals for pressure relief devices (PRDs) are determined by the installation's purpose and the substances being handled. The law mandates inspection frequencies ranging from one to four years, depending on the associated economic and safety risks.
Byung‐Tae Yoo +3 more
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physica status solidi (b), EarlyView.Novel Cu–Ni–Sn–S nanocrystals (NCs) stabilized with thioglycolic acid are synthesized in aqueous solutions. The structural and optical properties of Cu–Ni–Sn–S NCs are examined in colloidal solutions and thin films and compared to those of Cu–Zn–Sn–S NCs. The absorption coefficient is α > 104 cm−1 at 400 nm with an estimated Eg≈2.2 eV.
Oleksandra Ivakhno‐Tsehelnyk +4 more
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Quarterly Journal of the Royal Meteorological Society, EarlyView.During the summer monsoon, a long‐lasting stratiform rainfall system (SRS) hovers over China's Yangtze–Huai River Basin (YHRB), generating two distinct convective environments that are either influenced by or independent of the SRS. Correspondingly, both embedded and isolated convection initiation (CI) occur with different spatiotemporal ...
Fan Zhang +6 more
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Stagnation Pressure Changes in Unsteady Flow
Aeronautical Quarterly, 1971 SummaryThe changes in stagnation pressure produced by movement of rows, arrays and sheets of vortices are derived. By applying Preston’s result for a single row of moving vortices to continuous vortex sheets, the time mean stagnation pressure downstream of a row of blades with fluctuating circulation is derived.
J. H. Horlock, H. Daneshyar
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Isentropic air flows at high stagnation pressures
Fluid Dynamics, 1976 Calculations of the gasdynamic parameters of air using different equations of state for a real gas in one-dimensional formulation were carried out in [1-3]. The results from these papers are of a limited nature, as the equation of state of a real gas, which occurs in the system of starting equations, is valid for a quite narrow range of total pressures
L. M. Davydov, V. M. Zhiravov
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A stagnation pressure probe for droplet-laden air flow
Journal of Propulsion and Power, 1985 It is often of interest in a droplet-laden gas flow to obtain the stagnation pressure of both the gas phase and the mixture. A flow-decelerating probe (TPF), with separate, purged ports for the gas phase and the mixture and with a bleed for accumulating liquid at the closed end, has been developed.
S. Narasimha Murthy +2 more
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Stagnation pressure measurement in a current- carrying plasma
AIAA Journal, 1966 P. Barkan, A. M. Whitman
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An empirical model for stagnation pressure gain in rotating detonation combustors
Proceedings of the Combustion Institute, 2021Abstract This work investigates the stagnation pressure gain in rotating detonation combustors (RDC) and its dependency on the geometry and mass flux of the combustor. Using a Kiel probe to directly measure stagnation pressure in the high-enthalpy exhaust stream, results are presented for a systematic variation of these parameters.
Eric Bach +3 more
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