scholarly journals Dynamic equations of a transversely isotropic, highly porous, fibrous material including oscillatory heat transfer effects

2019 ◽  
Vol 146 (4) ◽  
pp. 2540-2551
Author(s):  
B. P. Semeniuk ◽  
P. Göransson ◽  
O. Dazel
Keyword(s):  
Heat Transfer ◽  
Fibrous Material ◽  
Transversely Isotropic ◽  
Dynamic Equations ◽  
Transfer Effects ◽  
Heat Transfer Effects ◽  
Porous Fibrous Material ◽  
Highly Porous

MEASUREMENT OF THERMOPHYSICAL PROPERTIES OF FLEXIBLE THERMAL INSULATION

2021 ◽  
pp. 119-126
Author(s):  
A.V. Zuev ◽  
◽  
Yu.P. Zarichnyak ◽  
D.Ya. Barinov ◽  
L.L. Krasnov ◽  
...  
Keyword(s):  
Heat Transfer ◽  
Thermal Conductivity ◽  
Heat Capacity ◽  
Thermal Insulation ◽  
Thermophysical Properties ◽  
Fibrous Material ◽  
Sewing Thread ◽  
Silica Fibers ◽  
Porous Fibrous Material ◽  
Highly Porous

The paper presents the results of measuring thermal conductivity and heat capacity of a flexible thermal insulation. Flexible thermal insulation is a highly porous fibrous material, a construction that includes felt, covered on all sides with fabric. The whole structure is stitched with a thread. The fibrous core, fabric and sewing thread are composed of silica fibers. Thermal conductivity was measured by the stationary method on flat samples. The heat capacity was determined using a NT-1000 calorimeter. The calculation of heat transfer was carried out for the conditions characteristic of those in effect when the spacecraft entered the orbit.

scholarly journals Viscoelastic Fluid over a Stretching Sheet with Electromagnetic Effects and Nonuniform Heat Source/Sink

2010 ◽  
Vol 2010 ◽  
pp. 1-14 ◽  
Author(s):  
Kai-Long Hsiao
Keyword(s):  
Heat Transfer ◽  
Heat Source ◽  
Viscoelastic Fluid ◽  
Stretching Sheet ◽  
Numerical Solutions ◽  
Transfer Effects ◽  
Gauss Elimination ◽  
Heat Transfer Effects ◽  
Source Sink ◽  
Gauss Elimination Method

A magnetic hydrodynamic (MHD) of an incompressible viscoelastic fluid over a stretching sheet with electric and magnetic dissipation and nonuniform heat source/sink has been studied. The buoyant effect and the electric numberE1couple with magnetic parameterMto represent the dominance of the electric and magnetic effects, and adding the specific item of nonuniform heat source/sink is presented in governing equations which are the main contribution of this study. The similarity transformation, the finite-difference method, Newton method, and Gauss elimination method have been used to analyze the present problem. The numerical solutions of the flow velocity distributions, temperature profiles, and the important wall unknown values off''(0)andθ'(0)have been carried out. The parameter Pr,E1, orEccan increase the heat transfer effects, but the parameterMorA*may decrease the heat transfer effects.

Sign in / Sign up

Export Citation Format

Share Document