NDLI: On the possibility of concrete destruction under high-power microwaves generated by e-beam

Content Provider	IEEE Xplore Digital Library
Author	Arzhannikov, A.V. Bychenkov, V.A. Eibl, J. Kalinin, P.V. Kessler, G. Koidan, V.S. Kovalenko, G.V. Lazarev, Yu.N. Mekler, K.I. Petrov, P.V. Petrovtsev, A.V.
Copyright Year	1998
Description	Author affiliation: Inst. of Nucl. Phys., Acad. of Sci., Novosibirsk, Russia (Arzhannikov, A.V.)
Abstract	A potential cleaning method for polluted construction surfaces by high-power pulses of microwave radiation may be based on the destruction of a surface thin layer by the action of shock waves generated due to dissipation of microwave energy. When defining the possibility of concrete plane layer destruction by a high-power microwave radiation flux it should be stressed that dry concrete (being a dielectric material) conducts electromagnetic radiation rather well (specific resistance is more than 10/sup 3/ Ohm.m), but shock wave generation and fragment formation under its action occurs most intensively for local energy release. The main prime problem is to create a small region in a material capable under microwave pulses to generate a shock wave which has the ability to cause fragmentation on a sample surface. Such a region should have increased conductivity which ensures the creation of the region with high energy density. The creation of such a region can be available, for example, by saturation of the concrete surface with a conductive salt solution, as it is known that concrete has a water absorption from 4-8% up to 30-40% of its mass. Current experiments show that the specific resistance of a concrete region is equal to 50 Ohm. m, and the skin length, corresponding to 4 mm wavelength electromagnetic radiation, is 1.2 cm.
Starting Page	837
Ending Page	840
File Size	343351
Page Count	4
File Format	PDF
ISBN	0780342879
DOI	10.1109/BEAMS.1998.816983
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1998-06-12
Publisher Place	Israel
Access Restriction	Subscribed
Rights Holder	Beam Organizing Committee
Subject Keyword	High power microwave generation Pulse generation Shock waves Surface waves Surface contamination Surface resistance Electromagnetic radiation Microwave theory and techniques Concrete Microwave generation
Content Type	Text
Resource Type	Article

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