C
Christian Poelma
Researcher at Delft University of Technology
Publications - 96
Citations - 2515
Christian Poelma is an academic researcher from Delft University of Technology. The author has contributed to research in topics: Particle image velocimetry & Turbulence. The author has an hindex of 25, co-authored 90 publications receiving 2150 citations. Previous affiliations of Christian Poelma include California Institute of Technology.
Papers
More filters
Journal ArticleDOI
Three-dimensional vorticity patterns of cylinder wakes
Fulvio Scarano,Christian Poelma +1 more
TL;DR: In this article, a tomographic Particle Image Velocimetry at Reynolds numbers ranging from 180 to 5,540 is used to study the vortex organization of cylinder wakes, revealing a regular shedding at the lowest Reynolds, whereas at Re > 500 the Benard-Karman vortex street exhibits counter-rotating stream-wise vortex pairs dominating the 3D motion.
Journal ArticleDOI
Time-resolved reconstruction of the full velocity field around a dynamically-scaled flapping wing
TL;DR: In this article, the authors measured the time-dependent three-dimensional velocity field around a flapping wing for the first time using a dynamically-scaled wing moving in mineral oil in a pattern based on the kinematics obtained from real insects.
Journal ArticleDOI
Eulerian and Lagrangian views of a turbulent boundary layer flow using time-resolved tomographic PIV
Andreas Schröder,Reinhard Geisler,Karsten Staack,Gerrit E. Elsinga,Fulvio Scarano,Bernhard Wieneke,Arne Henning,Arne Henning,Christian Poelma,Jerry Westerweel +9 more
TL;DR: In this paper, the time evolution of vorticity components representing inclined hairpin-like legs was analyzed in a 3D Eulerian reference frame within time durations corresponding to 28?/U.
Journal ArticleDOI
Ultrasound imaging velocimetry : A review
TL;DR: An overview of the history, typical components and challenges of ultrasound image velocimetry can be found in this paper, where the basic principles of ultrasound imaging image formation are summarized, as well as various techniques to estimate flow velocities; the emphasis is on correlation-based techniques.
Journal ArticleDOI
In vivo blood flow and wall shear stress measurements in the vitelline network
TL;DR: A methodology for the determination of the wall shear stress in vivo in the vitelline network of a chick embryo is presented and it is demonstrated how this velocity field can be obtained by scanning the measurement volume.