scholarly journals Terminal Velocity of Particle Group : Fundamental Research on Pneumatic Conveying

1964 ◽  
Vol 30 (210) ◽  
pp. 231-235 ◽  
Author(s):  
Sachio HARADA ◽  
Hiroshi NARUI ◽  
Katsuhiko SHIMADA ◽  
Tetsuya FUKUSHIMA
2021 ◽  
Vol 46 (2) ◽  
pp. 11-18
Author(s):  
Chineze Okeke ◽  
Sylvester Oluka

The aerodynamic properties of five varieties of Yam namely: white yam, purple yam, three leaves yam, water yam and yellow yam were investigated under oven drying methods at 33oC. The dried yams were milled to flour and were taken to laboratory to determine their aerodynamic properties with respect to pneumatic conveying of the yam flours. The yam flour varieties recorded terminal velocity range of 1.38 to 1.60 m/s. Drag coefficient of 0.47 and Reynolds number varying from 0.63 to 0.97x10-5 kgm-2 /s. The analysis of variance conducted on the effect of yam varieties on the aerodynamic properties of yam flour did not show significant difference at both 5% and 1% level of probability. The study will guide engineers in design of yam flour pneumatic conveying equipment.


Author(s):  
J.A. Eades ◽  
E. Grünbaum

In the last decade and a half, thin film research, particularly research into problems associated with epitaxy, has developed from a simple empirical process of determining the conditions for epitaxy into a complex analytical and experimental study of the nucleation and growth process on the one hand and a technology of very great importance on the other. During this period the thin films group of the University of Chile has studied the epitaxy of metals on metal and insulating substrates. The development of the group, one of the first research groups in physics to be established in the country, has parallelled the increasing complexity of the field.The elaborate techniques and equipment now needed for research into thin films may be illustrated by considering the plant and facilities of this group as characteristic of a good system for the controlled deposition and study of thin films.


Author(s):  
E. V. Zolotuhina-Abolina

In the monograph of Professor A. M. Starostin the notions “philosophical novations” and “research philosophy” was introduced and approved. The author divides the whole array of philosophic research into fundamental and applied – the sphere of philosophical novations. Fundamental and philosophic investigations are directed to the study of the problems of objective reality, thinking, cognition, the truth, freedom and other basic categories. The sphere of fundamental research is slowly changing and it’s development is marked by the outstanding names (Platon, Descartes, Kant, Schopenhauer, Heidegger etc.). As to the sphere of the philosophic innovations, its emergence and development are connected with application of methods of philosophical reflection to the realization of interdisciplinary problems of science, development of political, religious, artistic, ethical trends, which can't be researched only with the help of their own methods. The sphere of philosophic novations develops dynamically and according to its own scales and is twice larger than the sphere of fundamental philosophy.In his monography the author, from the viewpoint of his treating of fundamental and innovative projection of the philosophic knowledge and philosophic methods, analyses contemporary problems of politics, education, culture, science.


2012 ◽  
Vol 8 (1) ◽  
pp. 1-15
Author(s):  
Gy. Sitkei

Motion of particles with air resistance (e.g. horizontal and inclined throwing) plays an important role in many technological processes in agriculture, wood industry and several other fields. Although, the basic equation of motion of this problem is well known, however, the solutions for practical applications are not sufficient. In this article working diagrams were developed for quick estimation of the throwing distance and the terminal velocity. Approximate solution procedures are presented in closed form with acceptable error. The working diagrams provide with arbitrary initial conditions in dimensionless form of general validity.


2019 ◽  
Author(s):  
Lina Humbeck ◽  
Jette Pretzel ◽  
Saskia Spitzer ◽  
Oliver Koch

Knowledge about interrelationships between different proteins is crucial in fundamental research for the elucidation of protein networks and pathways. Furthermore, it is especially critical in chemical biology to identify further key regulators of a disease and to take advantage of polypharmacology effects. A comprehensive scaffold-based analysis uncovered an unexpected relationship between bromodomain-containing protein 4 (BRD4) and peroxisome-proliferator activated receptor gamma (PPARγ). They are both important drug targets for cancer therapy and many more important diseases. Both proteins share binding site similarities near a common hydrophobic subpocket which should allow the design of a polypharmacology-based ligand targeting both proteins. Such a dual-BRD4-PPARγ-modulator could show synergistic effects with a higher efficacy or delayed resistance development in, for example, cancer therapy. Thereon, a complex structure of sulfasalazine was obtained that involves two bromodomains and could be a potential starting point for the design of a bivalent BRD4 inhibitor.


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