Acta Technica 105. (1993)

1-2. szám

CONTENTS Fodor, L.-Gôsi, P.-Kostka, Р.-Tóth, J.: On-load mechanical cleaning of heat exchangers by means of brushes .................................................................................................................. 3 GUntner, O.-Oanyek, Gy.: Computer aided design of optimized stranded conductors .......... 19 Hadrian, W.-Hofbauer, F.-Lugschitz, H.-Kropik, W.-Jermendy, L.: Corrective measures for decreasing the detrimental environmental impacts of high voltage lines............ 41 Jermendy, L.-Krylov, S.V.-Timashova, L.V.: A study of transmission line interference caused by spacers ...................................................................................................................... 53 Nádor, T.-Krőmer, I.-Vöö, L.: Expected creep of the steel-aluminium transmission con­ductors in operation ................................................................................................................. 69 Paulusz, M. : Measurement of 50 Hz magnetic induction developing in the environment of 120-750 kV transmission lines ................................................................................................ 83 Reményi, К■-Horváth, F. : A study of fluidized bed solids and fly ash samples to better understand the transformations of the coal ash ................................................................ 97 Varga, L.: Determination of the current distribution and current load of overhead line conductors .................................................................................................................................... 117 BOOK REVIEW Tarnav, K.: Protocol specification and testing (Csopaki, Gy.) ......................................... 129 301 16 2

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