Accuracy and comparison of standard k-ϵ with two variants of k-ω turbulence models in fluvial applications

A Farhadi, A Mayrhofer, M Tritthart, M Glas… - Engineering …, 2018 - Taylor & Francis
Racetrack flumes are established experimental settings in ecohydraulics and sediment
studies. Their experimental results are often coupled with numerical simulations. The two …

Hydraulic forces impact larval fish drift in the free flowing section of a large European river

A Lechner, H Keckeis, E Schludermann… - …, 2014 - Wiley Online Library
Dispersal of fluvial freshwater fish larvae occurs commonly in heavily regulated rivers.
Studies increasingly indicate that drifting young fish have an active component to their …

Evaluation of modelling parameters for computing flow-induced noise in a small high-speed centrifugal compressor

S Sharma, J García-Tíscar, JM Allport, S Barrans… - Aerospace Science and …, 2020 - Elsevier
Developments in computing infrastructure and methods over the last decade have
enhanced the potential of numerical methods to reasonably predict the aerodynamic noise …

Particle path characteristics at the large gravel‐bed river Danube: results from a tracer study and numerical modelling

M Liedermann, M Tritthart… - Earth Surface Processes …, 2013 - Wiley Online Library
ABSTRACT A tracer study performed on a 3 km long reach of the Danube River in Austria is
presented. Forty artificial stones of three different sizes (intermediate b‐axis: 25 mm, 40 mm …

Insights into bedload transport processes of a large regulated gravel‐bed river

M Liedermann, P Gmeiner, A Kreisler… - Earth Surface …, 2018 - Wiley Online Library
A comprehensive monitoring programme focusing on bedload transport behaviour was
conducted at a large gravel‐bed river. Innovative monitoring strategies were developed …

Set-up analysis and optimization of CFD simulations for radial turbines

J Galindo, S Hoyas, P Fajardo… - … of Computational Fluid …, 2013 - Taylor & Francis
This paper proposes a CFD method for simulating radial turbocharger turbine flows. A
review is presented of the computational model in terms of meshing, mesh movement …

Dispersal and retention of larval fish in a potential nursery habitat of a large temperate river: an experimental study

E Schludermann, M Tritthart… - Canadian Journal of …, 2012 - cdnsciencepub.com
Little information is available on governing factors of larval fish dispersal in natural river
systems. Therefore, we aimed to describe dispersal and retention of marked larval nase …

Variability of mesohabitat characteristics in riffle‐pool reaches: Testing an integrative evaluation concept (FGC) for MEM‐application

C Hauer, G Unfer, M Tritthart, E Formann… - River Research and …, 2011 - Wiley Online Library
This paper investigates the variability of mesohabitat characteristics in various riffle‐pool
reaches. The tested river sections (n= 13) feature clear variation in slope (0.0004–0.0132) …

Simulations and measurements of automotive turbocharger compressor whoosh noise

A Broatch, J Galindo, R Navarro… - Engineering …, 2015 - Taylor & Francis
Turbocharger noise has become a major concern in downsized automotive engine
development. In this paper, the analysis is focused on the whoosh noise produced by the …

The influence of discharge, current speed, and development on the downstream dispersal of larval nase (Chondrostoma nasus) in the River Danube

A Lechner, H Keckeis, M Glas, M Tritthart… - Canadian Journal of …, 2018 - cdnsciencepub.com
We investigated the mode (active versus passive) of larval downstream dispersal and its
influencing factors in the nase carp (Chondrostoma nasus). Marked larvae (early and later …