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Yoshiro Katto

Bio: Yoshiro Katto is an academic researcher from University of Tokyo. The author has contributed to research in topics: Boiling & Critical heat flux. The author has an hindex of 23, co-authored 47 publications receiving 2308 citations.

Papers
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Journal ArticleDOI
TL;DR: In this article, the critical heat flux (CHF) was introduced for columnar vapor stems distributed in a liquid layer wetting a heated surface, and a new hydrodynamic model was developed for pool boiling and forced convection boiling.

596 citations

Journal ArticleDOI
TL;DR: In this article, an improved version of the generalized correlation is successfully developed, being accompanied with a very clear-cut structure as compared with the previous correlation, and careful experiments have been attempted with an identical test tube covering all the main characteristic regimes of CHF.

290 citations

Journal ArticleDOI
TL;DR: In this article, the authors make a careful study of the breakdown of stability of a layer of fluid subject to a vertical temperature gradient in a porous medium, and give a conclusive cirterion for the onset of convection currents.

212 citations

Journal ArticleDOI
TL;DR: In this paper, the critical heat flux (CHF) in the conditions that the fluid fed to heated tubes is subcooled (including saturated liquid in the extreme situation) with no entrained vapor was investigated.

160 citations

Journal ArticleDOI
TL;DR: In this paper, a generalized correlation for burnout heat flux data, that is applied to either of water and freon-113, is successfully evolved, and it is shown that surface tension has an important role for the onset of burnout phenomenon, not only in the ordinary pool boiling, but also in the present boiling system with a forced flow.

131 citations


Cited by
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Book
01 Jan 1981

2,237 citations

Journal ArticleDOI
Issam Mudawar1
TL;DR: This paper explores the recent research developments in high-heat-flux thermal management and demonstrates that, while different cooling options can be tailored to the specific needs of individual applications, system considerations always play a paramount role in determining the most suitable cooling scheme.
Abstract: This paper explores the recent research developments in high-heat-flux thermal management. Cooling schemes such as pool boiling, detachable heat sinks, channel flow boiling, microchannel and mini-channel heat sinks, jet-impingement, and sprays, are discussed and compared relative to heat dissipation potential, reliability, and packaging concerns. It is demonstrated that, while different cooling options can be tailored to the specific needs of individual applications, system considerations always play a paramount role in determining the most suitable cooling scheme. It is also shown that extensive fundamental electronic cooling knowledge has been amassed over the past two decades. Yet there is now a growing need for hardware innovations rather than perturbations to those fundamental studies. An example of these innovations is the cooling of military avionics, where research findings from the electronic cooling literature have made possible the development of a new generation of cooling hardware which promise order of magnitude increases in heat dissipation compared to today's cutting edge avionics cooling schemes.

824 citations

Journal ArticleDOI
TL;DR: In this paper, the authors studied the pool boiling characteristics of dilute dispersions of alumina, zirconia and silica nanoparticles in water and found that a significant enhancement in critical heat flux (CHF) can be achieved at modest nanoparticle concentrations (< 0.1% by volume).

806 citations

01 Jan 2008
TL;DR: LaRonde as mentioned in this paper analyzes the conflict in Xinjiang and concludes that the Chinese continue to defeat the separatist movement through a strategy that counters Mao's seven fundamentals of revolutionary warfare, concluding that Mao, as well as the communist leaders who followed him, was also successful at waging protracted counterinsurgency.
Abstract: PROTRACED COUNTERINSURGENCY: CHINESE COIN STRATEGY IN XINJIANG by MAJ J. Scott LaRonde, USA, 95 pages. In 1949, following the conclusion of its revolutionary war against the Chinese Nationalist forces, the People’s Liberation Army (PLA) peacefully occupied China’s western most province of Xinjiang. For nearly sixty years, the PLA has conducted a counterinsurgency against several, mostly Uyghur-led, separatist movements. Despite periods of significant violence, particularly in the early 1950s and again in the 1990s, the separatist forces have not gained momentum and remained at a level one insurgency. Mao ZeDeng is revered as a master insurgent and the father of Fourth Generation Warfare. Strategists in armies worldwide study his writings on revolutionary and guerilla warfare. This monograph concludes that Mao, as well as the communist leaders who followed him, was also successful at waging protracted counterinsurgency. For nearly sixty years, separatist movements in Xinjiang, Tibet, and Taiwan have all failed. This monograph analyzes the conflict in Xinjiang and concludes that the Chinese continue to defeat the separatist movement in Xinjiang through a strategy that counters Mao’s seven fundamentals of revolutionary warfare.

773 citations