Application of giesekus model for capillary extrusion of rubber compound

Name: Application of giesekus model for capillary extrusion of rubber compound
Author: Talib, Nayyef Ahmed, Ertunç, Özgür

İsim	Application of giesekus model for capillary extrusion of rubber compound
Yazar	Talib, Nayyef Ahmed, Ertunç, Özgür
Basım Tarihi:	2019-02
Basım Yeri	- The Society of Chemical Engineers
Konu	Giesekus model, Finite element simulation, Rubber compound, Capillary extrusion, Swelling, Complex fluid
Tür	Süreli Yayın
Dil	İngilizce
Dijital	Evet
Yazma	Hayır
Kütüphane:	Özyeğin Üniversitesi
Demirbaş Numarası	0021-9592
Kayıt Numarası	e5dfe9a7-e4e2-4da2-9c4e-61f634869080
Lokasyon	Mechanical Engineering
Tarih	2019-02
Notlar	Ozyegin University in Istanbul, Turkey ; University of Diyala, Iraq ; University of Diyala/College of Engineering
Örnek Metin	Extrudate swell is an important phenomenon occurring when high viscoelastic materials, such as rubber and rubber compounds, are extruded. In this work, the effects of relaxation time and relaxation mode on swell predictions using a nonlinear differential viscoelastic model, that is, the Giesekus model, are studied systematically for rubber extrusion in a capillary die. The corresponding 3D, steady-state finite element simulation for predictions of swelling is presented and compared with experimental data for validation. Velocity distribution, pressure drop and circulation flow in the die are analyzed and discussed through the simulation. The results of swell prediction reveal that three-relaxation mode of the Giesekus model with a wide range of relaxation times reproduce experimental data. In addition, the number of relaxation mode and relaxation time have remarkable effects on circulation flow at the die corner and some effect on other field variables.
DOI	10.1252/jcej.18we070
Cilt	52

Kaynağa git Özyeğin Üniversitesi

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Özyeğin Üniversitesi

Kaynağa git

Application of giesekus model for capillary extrusion of rubber compound

Yazar Talib, Nayyef Ahmed, Ertunç, Özgür

Basım Tarihi 2019-02

Basım Yeri - The Society of Chemical Engineers

Konu Giesekus model, Finite element simulation, Rubber compound, Capillary extrusion, Swelling, Complex fluid

Tür Süreli Yayın

Dil İngilizce

Dijital Evet

Yazma Hayır

Kütüphane Özyeğin Üniversitesi

Demirbaş Numarası 0021-9592

Kayıt Numarası e5dfe9a7-e4e2-4da2-9c4e-61f634869080

Lokasyon Mechanical Engineering

Tarih 2019-02

Notlar Ozyegin University in Istanbul, Turkey ; University of Diyala, Iraq ; University of Diyala/College of Engineering

Örnek Metin Extrudate swell is an important phenomenon occurring when high viscoelastic materials, such as rubber and rubber compounds, are extruded. In this work, the effects of relaxation time and relaxation mode on swell predictions using a nonlinear differential viscoelastic model, that is, the Giesekus model, are studied systematically for rubber extrusion in a capillary die. The corresponding 3D, steady-state finite element simulation for predictions of swelling is presented and compared with experimental data for validation. Velocity distribution, pressure drop and circulation flow in the die are analyzed and discussed through the simulation. The results of swell prediction reveal that three-relaxation mode of the Giesekus model with a wide range of relaxation times reproduce experimental data. In addition, the number of relaxation mode and relaxation time have remarkable effects on circulation flow at the die corner and some effect on other field variables.

DOI 10.1252/jcej.18we070

Cilt 52