1,232 research outputs found
Book review: Subhash Sharma, Why People Protest: An Analysis of Ecological Movements
No full text Subhash Sharma, Why People Protest: An Analysis of Ecological Movements. New Delhi: Publications Division, Government of India, 2016, 240 pp., ₹255, ISBN 9788123021201 (Paperback). </jats:p
Book Review: Subhash Sharma, New Ideas in Strategic Thinking & Management
No full text Subhash Sharma, New Ideas in Strategic Thinking & Management, 2016, New Delhi: New Age International Publishers, 210 pp., ₹250. ISBN: 978-8122439335 </jats:p
Animalia Humorosum: Aesop's animal fables made more believable with a modern twist
No full textThere is much that is unusual about this 8½” square booklet of 28 pages followed by two pages of advertisements for other books by Óla. For starters, the pages are purple with light-colored typeface and cutout colored characters in partial-page illustrations. The T of C uses superscript to indicate page numbers for the twelve fables. That same page clarifies that Ólafia L. Óla is a pseudonym for V. Subhash. In TH, the hare, not the tortoise, challenges to a race upon no provocation. The author turns this tale into the more usual “Rabbit Races the Hedgehog,” famous among Grimm’s fairytales. Every one of the species looks the same to the superficial hare. In LM, after the mouse frees the lion, the hungry lion eats the mouse. “Steer clear of known dangers.” DW is told just as in the tradition. “Better die on your feet than live on your knees.” In TB, the second traveler takes off his socks; the smell of them revolts the bear, who departs. What did the bear whisper to him? “Tell that fellow that trees offer no safety because bears are good climbers.” The ox makes up a snake friend to worry the dog out of his manger. A passing hunter saves the shepherd boy attacked by a real wolf. The mice do manage to get a bell around the cat’s neck by having it ready around their hole when the cat pokes in its head. Two foxes jump for grapes. One reacts according to the tradition. The other says the effort has been stupid. “We are foxes. We don’t eat grapes. Let’s go and catch some rabbits.” One of two crows suggests the traditional pebble approach. The other says that will take too much time and too many pebbles and will dirty the water. He manages to knock over the pitcher and they can drink both from the water spilled and the water still in the overturned pitcher. The owner of the golden goose eventually stops reading his mail, misses paying taxes, loses his property, and has to give up the goose as compensation for the unpaid taxes. The wolf escapes the lambskin and never comes back. The crow removes the doughnut from his mouth and tells the fox to move along.Ólafia L. Óla (V. Subhash
Wear reducing additives for lubricants containing solid contaminants
No full textMachines operating in dusty environments, such as mining and civil works, are prone to premature failure, leading to production losses. To address this problem, this research project examines the interaction between solid contaminants and the bearing micro-geometry, in lubricated surface contacts. In particular, it seeks to identify anti-wear additives that are effective in reducing wear under abrasive conditions, making machine elements more dirt tolerant. \ud
In general, the influence of antiwear additive is so small that it is difficult to isolate it. Manufactures often make claims about their antiwear products, which are difficult to verify. Hence, there is a need to characterising the antiwear additives available with a well-defined parameter, making it easier for consumers to compare the efficacy of various additives, and be able to select the most suitable additive for a given environment. \ud
Effect of micro-geometry parameters such as radial clearance, out-of-roughness and surface roughness was examined and a Film Shape Factor (FSF) – also termed gamma ratio – has been proposed for ensuring adequate separation of journal bearings operating in hydrodynamic lubrication regime, where the out-of-roundness values are higher than the surface roughness values. \ud
In this research, an experimental study has been conducted on journal bearings, to examine the influence of five antiwear additives on the bearing wear and micro-geometry. The test additives were provided by the industry partner without revealing their chemical identity or composition; however, these included some of the most commonly used antiwear additives. The tests were performed under three conditions: pure base oil, base oil containing contaminants, and base oil containing contaminants treated with five different additives. \ud
The experiments were aimed at choosing one wear measuring technique that evaluates the performance of an individual additive reliably, and based on this technique the additives were characterised. To achieve these objectives, a multi-wear parameter approach (MWPA) was developed, which employed three main wear measurement methodologies, i.e. weight loss, micro-geometry and particle counts –to examine the effect of the antiwear additives. Minimum oil film thickness was also measured to study the lubrication status in the bearing contacts. The MWPA helped in comparing different wear measuring methods, and in selecting the most reliable one. This approach also helped in developing short duration wear tests, thereby saving time, while still getting reliable results without repeating these. \ud
Wear experiments were performed on seven sets of bronze bearings and steel sleeve shafts. The test contaminant was 16 micron Aluminium oxide Al2O3 powder mixed in oil with 4% concentration by weight. These solid contaminants were treated with five different antiwear additives to study their influence on the bearings. Bearings were operated such that the minimum oil film thickness in the bearing was equal to the size of the contaminants. These tests were run for a constant sliding distance of 7536m.\ud
The results showed that most of the wear measuring techniques do not suit heavily contaminated test conditions. However, the out-of-roundness technique proved to be the most reliable and practical. Based on this technique a methodology was developed which gave a wear characteristic number (N). A unique value of N can be derived for each additive, thereby ranking the additives for their efficacy.\ud
The finding of this research provides a better understanding of the methodologies used for measuring wear in journal bearings subjected to dusty environments, and examines the efficacy of each one of these. The wear characteristic number (N) can be used by manufacturers with support from international standards organisations, so that the users can confidently choose the most appropriate antiwear additive for their application. \ud
Machines operating in a dusty environment, such as mining industry and civil works are prone to premature failure with subsequent production losses. In response to this problem, this research project examines the interaction between solid contaminant particles and the lubricant film micro-geometry in lubricated surface contacts. In particular, it seeks to identify lubricant anti-wear additives, which are effective in reducing wear under abrasive conditions and thus making machine elements more dirt tolerant
Evolved Infantry Subhash Mukhopadhyay/ বিবর্তিত পদাতিক সুভাষ মুখোপাধ্যায়
No full textWhen the present moves towards the future, leaving the past as a witness, it changes itself and reaches its end. In this change, even if the external structure changes, the ideological infrastructure remains intact. Then we do not call it change, but evolution. However, this evolution is not only an evolution of spatial geography and temporal dimensions; it is also an evolution of the mind and mood of the evolved person. Subhash Mukherjee is no exception of this thinking. He is a real example of such evolution. Not only in his political philosophy of life, but also in his literary-centered meditations, poet Subhash Mukhopadhyay did not follow a set path. He changed his opinion, but remained steadfast in his goal. He moved away from leftism ideology and joined hands
with Gandhism. That is true. However, he did not abandon communism. Evolution is the law of the ideological universe. But we must see to it that, that evolved consciousness does not hurt the collective convictions. Subhash Mukhopadhyay is a skilled thinker-artist in this work.
Therefore, in the article under discussion, the primary intention of the author will be to create an outline of evolution in terms of Subhash Mukhopadhyay’s criticism of life, social consciousness, political thought, poetic thought, poetic justice, linguistic thought, aesthetic sense etc. It is to be noted that more examples will be provided from the poet\u27s various poems to authenticate the logical tradition of the discussion. However, for the purpose of presenting the subject matter of the article, various literary forms such as novels, letters or songs will also be used in addition to the poet\u27s poems. And by the end of the article, following these steps, we will reach the evolved consciousness of poet Subhash Mukhopadhyay
PSYCHOLOGICAL IMPACT OF COVID-19 AND LOCKDOWN IN GENERAL POPULATION OF HIMACHAL PRADESH
No full textDr. Kamal Parkash*, Dr. Subhash Sharma and Dr. Shivalika Sharm
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