ÌÒÌ virtual journal
STUDY ON THE EFFECT OF CATALYTIC FILTER FOR LIQUID FUEL UPON PETROL AND DIESEL ENGINE INDEXES.
ÈÇÑËÅÄÂÀÍÅ ÂËÈßÍÈÅÒÎ ÍÀ ÊÀÒÀËÈÒÈ×ÅÍ ÔÈËÒÚÐ ÇÀ ÒÅ×ÍÎ ÃÎÐÈÂÎ ÂÚÐÕÓ ÏÎÊÀÇÀÒÅËÈÒÅ ÍÀ ÁÅÍÇÈÍÎÂ È ÄÈÇÅËΠÄÂÈÃÀÒÅË
Dimitrov E., . S. Dimitrov P. ............................................. 3
STUDY ON THE EFFECT OF VALVE TIMING VARIATION, CAUSED DURING OPERATION, UPON THE INDEXES OF A DIESEL ENGINE
ÈÇÑËÅÄÂÀÍÅ ÂËÈßÍÈÅÒÎ ÍÀ ÏÐÎÌÅÍÈ ÂÚ ÔÀÇÈÒÅ ÍÀ ÃÀÇÎÐÀÇÏÐÅÄÅËÅÍÈÅ, ÏÐÅÄÈÇÂÈÊÀÍÈ Â ÏÐÎÖÅÑÀ ÍÀ ÅÊÑÏËÎÀÒÀÖÈß, ÂÚÐÕÓ ÏÎÊÀÇÀÒÅËÈÒÅ ÍÀ ÄÈÇÅËΠÄÂÈÃÀÒÅË
Dimitrov E. ............................................................................................ 7
INFLUENCE ÂÛÁÐÀÍÎÃÎ OF THE MATERIAL OF THE COVERING AT PLASMA THE DUSTING ON CHARACTER OF RESIDUAL PRESSURE
ÂËÈßÍÈÅ ÂÛÁÐÀÍÎÃÎ ÌÀÒÅÐÈÀËÀ ÏÎÊÐÛÒÈß ÏÐÈ ÏËÀÇÌÅÍÍÎÌ ÍÀÏÛËÅÍÈÅ ÍÀ ÕÀÐÀÊÒÅÐ ÎÑÒÀÒÎ×ÍÛÕ ÍÀÏÐ߯ÅÍÈÉ
Ñàâèíêèí Â., A. Äåðìàí, Ä. Êîïòÿåâ ....................................................... 10
EQUIVALENT HOLE AS AN EVALUATION CRITERION OF A RESIDUAL STRENGTH AFTER A LOW-SPEED
ÝÊÂÈÂÀËÅÍÒÎÍÎÅ ÎÒÂÅÐÑÒÈÅ ÊÀÊ ÊÐÈÒÅÐÈÉ ÎÑÒÀÒÎ×ÍÎÉ ÏÐÎ×ÍÎÑÒÈ ÊÎÌÏÎÇÈÒÍÎÃÎ ÌÀÒÅÐÈÀËÀ ÍÈÇÊÎÑÊÎÐÎÑÒÍÎÃÎ ÓÄÀÐÀ
Pavelko I., Ì. Smolyaninov ......................................... 12
RESEARCH ON THE PROTECTION OF PIEZOCERAMIC TRANSDUCERS FROM THE DESTRUCTION BY MECHANICAL LOADING
ÈÑÑËÅÄÎÂÀÍÈß ÏÎ ÇÀÙÈÒÅ ÏÜÅÇÎÊÅÐÀÌÈ×ÅÑÊÎÃÎ ÏÐÅÎÁÐÀÇÎÂÀÒÅËß ÎÒ ÐÀÇÐÓØÅÍÈß ÏÎÄ ÄÅÉÑÒÂÈÅÌ ÌÅÕÀÍÈ×ÅÑÊÎÉ ÍÀÃÐÓÇÊÈ
Pavelko I. ...................................................................................... 17
WORK WITH THE COMPUTING SYSTEMS IN TRANSPORTATION IN THE CZECH REPUBLIC
ÐAÁOTA Ñ KOMÏÜÞÒEPÍÛÌÈ CÈÑTEMAMÈ B TPAÍCÏOPTE B ×ÅØÑÊÎÉ ÐÅÑÏÓÁËÈÊÅ
Musilova I. .................................................................................... 22
INCREASE OF THE MANAGEMENT EFFICIENCY OF CITY PASSENGER TRANSPORT
ÏÎÂÛØÅÍÈÅ ÝÔÔÅÊÒÈÂÍÎÑÒÈ ÓÏÐÀÂËÅÍÈß ÃÎÐÎÄÑÊÎÃÎ ÏÀÑÑÀÆÈÐÑÊÎÃÎ ÒÐÀÍÑÏÎÐÒÀ
Êî÷àäçå Ò.Ï., Ã.À. Ëåêâåèøâèëè, Á.Â. Ñèðáèëàäçå ................................. 25
SIGNALIZED PEDESTRIAN CROSSING SIMULATION MODEL
ÈÌÈÒÀÖÈÎÍÅÍ ÌÎÄÅË ÍÀ ÏÅØÅÕÎÄÅÍ ÑÂÅÒÎÔÀÐ
Dimitrov S. .......................................................................................... 29
INVESTIGATION OF INFLUENCE REINFORCEMENTS IN CIRCUMSTANCES WHEN THE ASYMMETRIC LOAD ACTING ON GIRDER
ÈÑÑËÅÄÎÂÀÍÈÅ ÂËÈßÍÈß ÓÊÐÅÏËÅÍÈß B ÓÑËÎÂÈßÕ ÀÑÈÌÌÅÒÐÈ×ÍÎÉ ÍÀÃÐÓÇÊÈ ÍÀ ÁÀËÊÓ
Vrekic Sn., Ì. Zivkovic, Ì. Milovanovic, À Disic ........................................ 33
APPROACH FOR DETERMINING THE EFFICIENCY OF RO-LA TRANSPORT THROUGH BULGARIA
ÏÎÄÕÎÄ ÇÀ ÎÏÐÅÄÅËßÍÅ ÅÔÅÊÒÈÂÍÎÑÒÒÀ ÍÀ ÐÎ-ËÀ ÏÐÅÂÎÇÈ ÏÐÅÇ ÁÚËÃÀÐÈß
Áåðîâ Ò., Ä. Ñòîéêîâ, Â. Ñòàìåíîâ, È. Ñòîÿíîâ È. .......................... 37
A STAND FOR RESEARCHING THE ISOCHORIC HEATING OF FLUIDS
ÑÒÅÍÄ ÇÀ ÈÇÑËÅÄÂÀÍÅ ÍÀ ÈÇÎÕÎÐÍÎ ÇÀÃÐßÂÀÍÅ ÍÀ ÔËÓÈÄÈ
Nachev N., N. Atanasov ............................................................. 40






