Search Results - "Dachev, Ts.P."

Inner magnetosphere variations after Solar Proton Events. Observations on Mir space station in 1989–1994 time period by Dachev, Ts.P, Semkova, J.V, Matviichuk, Yu.N, Tomov, B.T, Koleva, R.T, Baynov, P.T, Petrov, V.M, Shurshakov, V.V, Ivanov, Yu

“…Measurements on board the Mir space station have been used to study the dose rate and the particle flux distribution in the inner magnetosphere. The…”
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Relativistic electron fluxes and dose rate variations observed on the international space station by Dachev, Ts.P., Tomov, B.T., Matviichuk, Yu.N., Dimitrov, Pl.G., Bankov, N.G., Reitz, G., Horneck, G., Häder, D.P., Lebert, M., Schuster, M.

“…The paper presents observations of relativistic electron precipitations (REP) on the International Space Station (ISS) obtained by three Bulgarian-built…”
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Relativistic electron fluxes and dose rate variations during April–May 2010 geomagnetic disturbances in the R3DR data on ISS by Dachev, Ts.P., Tomov, B.T., Matviichuk, Yu.N., Dimitrov, Pl.G., Bankov, N.G., Reitz, G., Horneck, G., Häder, D.-P., Lebert, M., Schuster, M.

“…Space radiation has been monitored successfully using the Radiation Risks Radiometer-Dosimeter (R3D) installed at the ESA EXPOSE-R (R3DR) facility outside of…”
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Pre-engineering spaceflight validation of environmental models and the 2005 HZETRN simulation code by Nealy, J.E., Cucinotta, F.A., Wilson, J.W., Badavi, F.F., Dachev, Ts.P., Tomov, B.T., Walker, S.A., De Angelis, G., Blattnig, S.R., Atwell, W.

“…The HZETRN code has been identified by NASA for engineering design in the next phase of space exploration highlighting a return to the Moon in preparation for…”
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Proposal for a new radiation dose control system for future manned space flights by Semkova, J.V., Dachev, Ts.P., N. Matviichuk, Yu, Koleva, R.T., Baynov, P.T., Tomov, B.T., Botolier-Depois, J.F., Nguen, V.D., Lebaron-Jacobs, L., Siegrist, M., Duvivier, E., Almarcha, B., Petrov, V.M., Shurshakov, V.A., Makhmutov, V.S.

“…Radiation risk on a future long-duration manned space mission appears to be one of the basic factors in planning and designing the mission. Since 1988…”
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Time serial analysis of the induced LEO environment within the ISS 6A by Wilson, J.W., Nealy, J.E., Dachev, Ts.P., Tomov, B.T., Cucinotta, F.A., Badavi, F.F., De Angelis, G., Atwell, W., Leutke, N.

“…Anisotropies in the low Earth orbit (LEO) radiation environment were found to influence the thermoluminescence detectors (TLD) dose within the (International…”
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Analysis of the cyclotron facility calibration and aircraft dosimetry results from the liulin-3M instrument by Dachev, Ts.P., Stassinopoulos, E.G., Tomov, B.T., Dimitrov, Pl.G., Matviichuk, Yu.N., Shurshakov, V.A., Petrov, V.M.

“…The LIULIN-3M instrument is a further development of the LIULIN dosimeter-radiometer, used on the MIR space station during the 1988–1994 time period. The…”
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Direct comparison of transient radiation belt topology and dynamics in 1991 based on measurements onboard Mir space station and NOAA satellite by Shurshakov, V.A, Huston, S.L, Dachev, Ts.P, Petrov, V.M, Ivanov, Yu.V, Semkova, J.V

“…In March 1991 the CRRES spacecraft measured a new transient radiation belt resulting from a solar proton event and subsequent geomagnetic disturbance. The…”
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Peculiarities of the solar proton events of 19 October 1989 and 23 March 1991 according to the measurements onboard the Mir space station by Petrov, V M, Mahkmtov, V S, Panova, N A, Shurshakov, V A, Dachev TsP, Semkova, J V, Matvijchuk YuP

“…Flux and dose rate dynamics of solar cosmic rays were measured by the Lyulin dosimeter during the events 19 October 1989 and 23 March 1991. The maximum dose…”
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The dose rate observed on 19-21 October 1989 and its modulation by geophysical effects by Smart, D F, Shea, M A, Dachev TsP, Bankov, N G, Petrov, V M, Bengin, V V

“…The Liulin dosimeter-radiometer on the MIR space station detected the 19 October 1989 high energy solar proton event. These results show that the main particle…”
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New results for the space radiation environment of mir space station obtained by liulin dosimeter-radiometer. Comparison with let spectrometer nausicaa by Dachev, Ts.P., Semkova, J.V., Matviichuk, Yu.N., Koleva, R.T., Tomov, B.T., Baynov, P.T., Bottollier-Depois, J.F., Nguen, V.D., Lebaron-Jacobs, L., Siegrist, M., Duvivier, E., Almarcha, B., Petrov, V.M., Shurshakov, V.V.

“…Since 1988 high sensitivity semiconductor dosimeter-radiometer “Liulin” worked on board of MIR space station. Device measured the absorbed dose rate and the…”
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Space radiation dosimetry with active detections for the scientific program of the second Bulgarian cosmonaut on board the Mir space station by Dachev TsP, Matviichuk YuN, Semkova, J V, Koleva, R T, Boichev, B, Baynov, P, Kanchev, N A, Lakov, P, Ivanov YaJ, Tomo, P T, Petrov, V M, Redko, V I, Kojarinov, V I, Tykva, R

“…A dosimetry-radiometry system has been developed at the Space Research Institute of the Bulgarian Academy of Science to measure the fluxes and dose rates on…”
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"Mir" radiation dosimetry results during the solar proton events in September-October 1989 by Dachev TsP, Matviichuk YuN, Bankov, N G, Semkova, J V, Koleva, R T, Ivanov YaJ, Tomov, B T, Petrov, V M, Shurshakov, V A, Bengin, V V, Machmutov, V S, Panova, N A, Kostereva, T A, Temny, V V, Ponomarev YuN, Tykva, R

“…Using data from dosimetry-radiometry system "Liulin" on board of "Mir"-space station the particle flux and doserate during September-October, 1989 has been…”
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Modeling of the radiation exposure during the flight of the second Bulgarian cosmonaut on board the Mir Space Station by Dachev TsP, Matviichuk YuN, Bankov, N G, Koleva, R T, Vellinov, P I, Todorieva, L G, Semkova, J V, Petrov, V M, Redko, V I, Zil, M V, Mitrakas, V G

“…An experiment involving active detection of space radiation was carried out in the Space Research Institute (SRI) of Bulgarian Academy of Sciences, in…”
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