نتایج جستجو برای: grooved tubes
تعداد نتایج: 28376 فیلتر نتایج به سال:
A simple analysis of fully-developed Stokes ow in grooved bearings is performed that does not use lubrication scaling arguments as in Muijderman (1966). When the inertial terms are ignored, the Navier{Stokes equations decouple. The ow through the groove is then determined from a Poisson equation for the only component of velocity that contributes to the ow through the bearing. This velocity is ...
The article presents selected results and the sequencing of research into project "Long-Term Monitoring Rail Structures in Tramway Crossings with a Focus on Shallow-Grooved Aimed at Optimization their Maintenance Noise Reduction", which was running support from Technology Agency Czech Republic within Zeta Project (project registration No. TJ04000257) 2020-2022. elaborated jointly Prazska stroji...
This work presents the numerical modeling of a droplet’s sessile and dynamic behavior on grooved surface. A droplet is placed horizontal vertical sliding conditions to observe its under wettable non-wettable conditions. The analysis uses multicomponent multiphase Shan-Chen Lattice Boltzmann Model (SC-LBM). Cassie–Baxter Wenzel states are reproduced for condition, enhancement contact angle appre...
This study describes the effects of floor system, digital dermatitis (DD) and interdigital dermatitis and heel-horn erosion (IDHE) on locomotion performance in 225 dairy cows of 12 commercial dairy herds. Nine herds were kept in cubicle houses with concrete passageways (either solid, slatted, or grooved concrete) and three herds were kept in straw yards. Animals were at most five times examined...
Welding-generated metallic fumes contain a substantial amount of manganese (Mn), making welders susceptible to Mn toxicity. Although overt Mn toxicity manifests as a type of parkinsonism, the consequences of chronic, low-level Mn exposure are unknown. To explore region-specific Mn accumulation and its potential functional consequences at subclinical levels of Mn exposure, we studied seven welde...
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