Topological fluid dynamics for free and viscous surfaces
Başlık çevirisi mevcut değil.
- Tez No: 402382
- Danışmanlar: PROF. MORTEN BRONS
- Tez Türü: Doktora
- Konular: Makine Mühendisliği, Mechanical Engineering
- Anahtar Kelimeler: Belirtilmemiş.
- Yıl: 2015
- Dil: İngilizce
- Üniversite: Technical University of Denmark
- Enstitü: Yurtdışı Enstitü
- Ana Bilim Dalı: Matematik ve Fen Bilimleri Eğitimi Ana Bilim Dalı
- Bilim Dalı: Belirtilmemiş.
- Sayfa Sayısı: 204
Özet
Özet yok.
Özet (Çeviri)
In an incompressible fluid flow, streamline patterns and their bifurcations are in-vestigated close to wall for two-dimensional system and close to free and viscous surfaces in three-dimensional system. Expanding the velocity field in a Taylor series, we conduct a local analysis at the given expansion point. Applying the boundary conditions, some relations are obtained among the coefficients of the expansions. Series of coordinate transformations, which preserves the boundary conditions, are used to reduce the number of coefEcients. Finally, using the normal form and unfolding theory, the velocity field is analysed structurally and bifurcation diagrams are obtained. First, two-dimensional viscous flow close to wall for non-simple degenerate crit-ical point is considered depending on three-parameter space. Second, three-dimensional axisymmetric, viscous and steady flow is analysed close to free and viscous surfaces into three situations: Local analysis close to center axis; away from the axis and close to a stationary wall. Next, in the absence of axisymmet-ric condition, three-dimensional viscous flow is consider close to a free surface. As an application of the bifurcation diagrams for three-dimensional axisymmet-ric viscous flow, three different shaped container driven by a rotating top disk is considered. Using a spectral collocation method, a code is constructed to obtain the meridional and swirl velocities. In a result of this code, ali structural changes on the streamline patterns are observed and the occurring bifurcations are determined. These bifurcations are compared with the bifurcations obtained from topologically.
Benzer Tezler
- Aerodynamic topology optimization of a radome using the genetic algorithm
Bir radomun genetik algoritma ile aerodinamik topoloji optimizasyonu
İLHANBERK DAYLAN
Yüksek Lisans
İngilizce
2020
Havacılık Mühendisliğiİstanbul Teknik ÜniversitesiUçak ve Uzay Mühendisliği Ana Bilim Dalı
PROF. DR. MAHMUT ADİL YÜKSELEN
- Integrable vortex dynamics and complex Burgers' equation
İntagrallenebilir vorteks dinamiği ve karmaşık Burgers' denklemi
ZEYNEP NİLHAN GÜRKAN
Yüksek Lisans
İngilizce
2005
Matematikİzmir Yüksek Teknoloji EnstitüsüMatematik Ana Bilim Dalı
PROF.DR. OKTAY PASHAEV
- The spatial block: Natural ventilation in hot and dry climates of turkey
Mekansal blok: Türkiye'nin sıcak ve kuru iklimlerinde doğal havalandırma
EZGİ BAY ŞAHİN
Doktora
İngilizce
2020
MimarlıkIllinois Institute of TechnologyBina Teknolojisi Ana bilim Dalı
PROF. MAHJOUB ELNIMEIRI
- Bazı polimerik sistemlerin oluşturduğu süspansiyonların elektroreolojik özelliklerin incelenmesi
Investigation of electrorheological properties of suspensions formed by some polymeric systems
MUSTAFA YAVUZ
- Silindir içerisindeki aksimetrik akış yapılarının topolojik ve nümerik olarak incelenmesi
Topological and numerical investigation of axisymmetric flow patterns in a cylinder
ERHAN AYDOĞDU
