Torpedo-Boat Destroyers. (Including Appendix and Plate at Back of Volume).

Thornycroft, J I; Barnaby, S W

doi:10.1680/imotp.1895.19693

Cited by 32 publications

(9 citation statements)

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“…The cavitation effect, which is the formation of liquidless cavities in a liquid, was first observed in 1885, when the propeller of the Royal Navy's destroyer H.M.S. Daring was found completely damaged due to the cavitation effect primed by its rapid movement . Years later, Lord Rayleigh proposed a mathematical model depicting the high temperature (5,000 K) and pressure (10,000 atm) values that can be achieved in a cavitation event.…”

Section: Introductionmentioning

confidence: 99%

Ultrasound‐Assisted Multicomponent Reactions, Organometallic and Organochalcogen Chemistry

et al. 2018

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In the last two decades, the search for sustainability in chemical reactions has attached a lot of attention. In this focus review, the use of ultrasound (US) as an alternative energy source in organic synthesis is presented. The improvement of the performance of chemical reactions due to the cavitation effect has been previously studied and described. The use of US guarantees often higher yields than other green methodologies, as microwave or ball milling. The impressive positive effect of US in organic synthesis are demonstrated in this review mainly in organometallic and multi-component reactions (MCRs), aimed to prepare bioactive compounds. A particular attention is dedicated to the US-assisted synthesis of valuable organochalcogen compounds with pharmacological activity.[a] F.

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Section: Introductionmentioning

confidence: 99%

Ultrasound‐Assisted Multicomponent Reactions, Organometallic and Organochalcogen Chemistry

et al. 2018

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“…19 They reported "unusual vibrations of their propeller due to large bubbles generated by the movement of the blades" and "the implosion of these bubbles under the water pressure." Lord Rayleigh (1842-1919) explained the erosion of the propellers of boats by the formation and growth of vapor bubbles in the presence of a depression caused by Bernoulli effect, followed by a violent collapse.…”

Section: The Brief History Of Sonochemistrymentioning

confidence: 99%

Introduction

2016

Sonochemistry

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“…The rst report of cavitation concerned the notice that the propeller of a submarine was pitted and eroded. 14 Since the early work of Lord Rayleigh it is known that ultrasound may form cavitation bubbles in liquid which upon collapse create transiently temperatures around 5000 K, pressures around 1000 atm with cooling rates above 10 8 K s À1 . 15 One of the most basic concepts of sonochemistry is that free radicals are formed as a result of the cavitation and microbubble collapse which are created during the rarefaction (or negative pressure) period of sound waves.…”

Section: Introductionmentioning

confidence: 99%