scholarly journals Voltammetric demonstration of thermally induced natural convection in aqueous solution

2019 ◽  
Vol 21 (19) ◽  
pp. 9969-9974 ◽  
Author(s):  
Danlei Li ◽  
Christopher Batchelor-McAuley ◽  
Lifu Chen ◽  
Richard G. Compton
Keyword(s):  
Aqueous Solution ◽  
Natural Convection ◽  
Thermally Induced ◽  
Convective Flows ◽  
Electrochemical Systems

In electrochemical systems imperfect thermostating inevitably leads to the presence of bulk convective flows.

scholarly journals Thermoresponsive Polymers as Macromolecular Coordination Ligands: Complexation-Dependence of Thermally Induced Aggregation in Aqueous Solution

2021 ◽  
Author(s):  
Maximilian Felix Toni Meier ◽  
Franck Thetiot ◽  
Narsimhulu Pittala ◽  
Ingo Lieberwirth ◽  
Cleiton Kunzler ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Thermoresponsive Polymers ◽  
Thermally Induced ◽  
Coordination Sites ◽  
Induced Aggregation

We have designed novel macromolecular coordination ligands (MCLs) by conjugation of thermoresponsive polymers based on poly(N-isopropylacrylamide) (M ̅_n around 3 to 25 kg∙mol-1) with 1,2,4-triazole coordination sites. These triazole units...

Natural Convection from a Horizontal Cylinder—Laminar Regime

1981 ◽  
Vol 103 (3) ◽  
pp. 522-527 ◽  
Author(s):  
B. Farouk ◽  
S. I˙. Gu¨c¸eri
Keyword(s):  
Natural Convection ◽  
Horizontal Cylinder ◽  
Heat Transfer Characteristics ◽  
Convective Flows ◽  
Finite Difference Numerical Method ◽  
Temperature Boundary ◽  
Recirculation Zones ◽  
Boussinesq Fluid ◽  
Temperature Boundary Condition ◽  
Good Agreement

A finite-difference numerical method has been adopted to generate flow patterns and heat transfer characteristics for laminar, steady-state, two-dimensional natural convection around a circular cylinder submerged in an unbounded Boussinesq fluid. The approach allows the use of nonuniform as well as uniform specified temperature and heat flux distributions over the cylindrical surface. Part of the results are generated for reverse convective flows with recirculation zones which occur when part of the cylinder is below the ambient temperature while the remaining part is above. The results for uniform temperature boundary condition are in good agreement with the experimental data and other solutions available in literature.

Convection inside condensing and evaporating droplets of aqueous solution

Soft Matter ◽  
2018 ◽  
Vol 14 (21) ◽  
pp. 4335-4343 ◽  
Author(s):  
Tapan Kumar Pradhan ◽  
Pradipta Kumar Panigrahi
Keyword(s):  
Aqueous Solution ◽  
Natural Convection

Buoyancy driven natural convection inside an evaporating and a condensing droplet.

scholarly journals Thermally induced conformational changes and protein–protein interactions of bovine serum albumin in aqueous solution under different pH and ionic strengths as revealed by SAXS measurements

2017 ◽  
Vol 19 (26) ◽  
pp. 17143-17155 ◽  
Author(s):  
Dmitry Molodenskiy ◽  
Evgeny Shirshin ◽  
Tatiana Tikhonova ◽  
Andrey Gruzinov ◽  
Georgy Peters ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Bovine Serum Albumin ◽  
Serum Albumin ◽  
Conformational Changes ◽  
Interaction Potential ◽  
Protein Interactions ◽  
Bovine Serum ◽  
Protein Protein Interactions ◽  
Thermally Induced ◽  
Before And After

Temperature-induced oligomerization of albumin before and after protein melting was studied using SAXS and interpreted in terms of interaction potential.

Natural Convection in a Narrow Horizontal Annulus: The Effects of Thermal and Hydrodynamic Instabilities

1998 ◽  
Vol 120 (4) ◽  
pp. 1019-1026 ◽  
Author(s):  
P. Cadiou ◽  
G. Desrayaud ◽  
G. Lauriat
Keyword(s):  
Natural Convection ◽  
Rayleigh Number ◽  
Base Flow ◽  
Hydrodynamic Instabilities ◽  
Convective Flows ◽  
A Value ◽  
Multicellular Structure ◽  
Reverse Transition ◽  
Imperfect Bifurcation ◽  
Number Of Cells

Multicellular natural convective flows in narrow horizontal air-filled concentric annuli are considered numerically in this paper. The results show that the multiplicity of the multicellular upper flows reported in the literature can be credited to the existence of an imperfect bifurcation with two stable branches. The emergence and extinction of the buoyancy-driven cells have been proved to be identical on both branches. The appearance of another secondary flow, the origin of which is purely hydrodynamic and located within the crescent base flow at the vertical portions of the annulus, has also been evidenced at moderate values of the Rayleigh number. As Ra is increased a reverse transition from a multicellular structure to a unicellular pattern occurs through a gradual decrease in the number of cells. In addition, it is shown that shear-driven instabilities cannot develop for radius ratios larger than a value close to R = 1.15.

Heats of thermally induced helix-coil transitions of DNA in aqueous solution

Biopolymers ◽  
1973 ◽  
Vol 12 (8) ◽  
pp. 1829-1836 ◽  
Author(s):  
D. D. F. Shiao ◽  
J. M. Sturtevant
Keyword(s):  
Aqueous Solution ◽  
Thermally Induced
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