Results 171 to 180 of about 8,450 (209)
Experimental investigation on the effect of solid particle erosion on the water droplet erosion damages for blade materials. [PDF]
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PULSE-DETONATION STEAM SUPERHEATER
Detonation: Latest accomplishments, 2021Systematic experiments to determine the concentration limits of detonation of ternary propane/methane–oxygen–steam mixtures under normal atmospheric pressure have been conducted. The experiments are performed in an innovative pulse-detonation steam superheater (PDSSH) with cyclic detonations of ternary mixtures at variation of fuel-to-oxygen ...
S.M. FROLOV +3 more
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2019
Abstract Some examples of equipment failures involving high temperature operation are presented. They include some steam generator superheater components and a pump shaft that should not have been at high temperature. Metallographic analysis is used to determine the causes of failure in each case.
H.C. Furtado, Iain Le May
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Abstract Some examples of equipment failures involving high temperature operation are presented. They include some steam generator superheater components and a pump shaft that should not have been at high temperature. Metallographic analysis is used to determine the causes of failure in each case.
H.C. Furtado, Iain Le May
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PULSE-DETONATION STEAM SUPERHEATER
PROGRESS IN DETONATION RESEARCH, 2020In [1], we patented the innovative pulse-detonation steam superheater (PDSS) for deep oxygen-free and pollutant-free gasification of organic municipal and industrial wastes to produce a gas mixture of H2 and CO. The PDSS is essentially the pulse-detonation engine operating on the ternary fuel-oxygen-steam mixture with fuel represented, e.
S. M. FROLOV +4 more
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Radiant-Superheater Developments
Journal of Fluids Engineering, 1932Abstract Sustained high steam temperatures at all operating ratings, not peak readings at one narrow load range, are being sought in the industry’s quest for higher operating efficiencies. Uniform average temperatures, not maximum values, determine commercial economy and even safety of higher steam temperatures.
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Assessment of the Superheater Ash Fouling Using a Numerical Model of the Superheater
Heat Transfer Engineering, 2018ABSTRACTSuperheaters are high-temperature cross-flow heat exchangers. Steam flows inside the tubes, and the flue gas outside in a direction perpendicular to the axes of the tubes.
Marcin Trojan +4 more
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Liquid superheat during nonequilibrium boiling
Heat and Mass Transfer, 2008Heat and mass transfer processes in a pure liquid subject to intense heating is investigated. The temperature escalation rate in a heated pure liquid is controlled by two competing processes; the external power deposition and the rate of nuclei formation and growth in the liquid, which acts as a heat sink.
Ezra Elias, P. L. Chambré
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A Superheater Chemical Cleaning Study
CORROSION 1985, 1985Abstract Chemical cleaning of superheat/reheat areas of fossil fueled steam generators is a viable method to control solid particle erosion in turbines. Extensive planning prior to chemical cleaning is essential, including screening of prospective chemical solvent systems and varying conditions. Tube samples from appropriate areas should
G. P. Gall, G. E. Casey, J. A. Sterling
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Failure analysis of superheater tube
Engineering Failure Analysis, 2015Abstract The failure analysis of a ruptured superheater tube after 20 years service in the oil-fueled boiler, as the typical problems in power plants, was investigated. A thin-lipped rupture at failed region was observed in superheater tube. By measuring the tube’s wall thicknesses far from failed region, non-uniformity was seen.
A. Movahedi-Rad +2 more
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1975
Publisher Summary The chapter focuses on the boiling process and examines how to make predictions of heat transfer with the required accuracy. It presents an overview of how to stimulate further research in boiling heat transfer by introducing an appropriate method to aid in better understanding boiling phenomena.
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Publisher Summary The chapter focuses on the boiling process and examines how to make predictions of heat transfer with the required accuracy. It presents an overview of how to stimulate further research in boiling heat transfer by introducing an appropriate method to aid in better understanding boiling phenomena.
openaire +1 more source