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Where V1 - initial speed of dispersal.
V2 - final speed of dispersal.
Results of calculations (2.25) are brought in table 2.7
2.7 Definition of a way of dispersal of the automobile.
(2.26) S=V (t2-t1), (2.27) Where t1 - time of the beginning of dispersal, with. t2 - time of the termination(ending) of dispersal, with. Results of calculations (2.27) are brought in table 2.8. 3 Parameters of fuel profitability of the automobile The travelling charge of fuel qn = ge (N? + Nw) / (V? m?), (3.1) Where? m - density of fuel, kg / ?. For petrol fuel? m=0,8 kg / ?. [2] Degree of use of capacity of the engine ? = (N? + Nw) / (Ne?). (3.2)
The specific effective charge of fuel ge = gNK, (3.3) Where - the factor which is taking into account change ge depending on a degree of use of capacity And; [1] - the factor which is taking into account change ge depending on frequency of rotation of a cranked shaft of the engine ne; [1] gN - the specific effective charge of fuel at Nmax. gN =1,2 gNmin gNmin=0,2 kg / ??? [2]. gN =1,2 0,2=0,24
Results of calculations (3.1), (3.2) and (3.3) are brought in table 3.1
Table 3.1
The -economic characteristic of the automobile rotations of a cranked shaft, ne80120160200240260300360ne/nN0,220,330,440,560,670,780,891,00??1,091,030,980,950,960,9511,04V5,568,3311,1113,8816,6 619,4422,2025,00? (0,02) 0,490,500,540,600,690,810,991,00? (0,05) 0,90,760,730,730,740,790,951 (0,02) 0,990,990,950,900,901,001,001,00 (0,05) 0,850,70,60,60,60,90,991ge (0,02) 0,220,180,150,140,140,170,180,21ge (0,05) 0,290,240,220,210,210,230,240,41qn 0,0212,912,712,211,91315,417,620qn 0,0531,730,528,426,8283235,138,1 According to table 3.1 the diagram (see fig. 10) is constructed 4 Definition of dynamic qualities of the automobile at braking The maximal delay is from expression: jm=g *?. (4.1) Time of braking up to a stop is at integration of the equation of delay of the automobile: tm=V/g????????????????????????????????????????????????????????????????????????????????????? Where V - speed of the automobile at the moment of the beginning of braking. The way of braking up to a stop can be found at integration of the equation of time of braking: Sm = V2/2 g??????????????????????????????????????????????????????????????????????????????? Results of calculations (4.1), (4.2) and (4.3) are brought in table 4.1. Table 4.1 Brake properties of the automobile. speed of braking, m / ?.210131517202225j?? (0,4) 4,94,94,94,94,94,94,94,9j (0,7) 6,866,866,866,866,866,866,866,86t (0,4) 0,412,042,653,063,474,084,495,10t (0,7) 0,291,461,902,192,482,923,213,64S (0,4) 0,4110,2017,2422,9629,4940,8249,3963,78 S (0,7 0,297,2912,3216,4021,0629,1535,2845,55 According to table 4.1 the diagram (see fig. 4) is constructed. The conclusion. In the given course work calculation of traction properties of the automobile, his(its) high-speed qualities, and as fuel profitability and dynamic qualities was carried out(spent). The received results were with automobiles of a modern motor-vehicle pool. For the prototype of the considered automobile was accepted -130 The settlement data (the automobile with the trailer) Given accepted Vmax, km / 2525qn, /100 ( V=16,6 km / ?) 2828U14,917,44U23,304,10U32,222,29U41,4 91,47U511Ne, 142,45150Me, 395,68401,8 The charge of fuel at?? 0,05 and V=60/ has made 28 /100 at the settlement automobile and 28/100 at -130.
. The literature.
1. Ampere-second., JA.E.automobile: the Theory of operational properties. - M.: Mechanical engineering, 1989. - 240 with.
2. Automobiles ZIL-130, -138 and their updatings: the operation Manual / the Moscow automobile factory him(it). I.A.Lihachyova.-of M.: Mechanical engineering, 1985.-280 with., silt.
3. A.N.Ponizovkin's brief automobile directory / , J.M.Vlasko, M.B.Ljablikov etc. - M.: , , 1994. - 799 with.
4. Registration of an explanatory note and a graphic part of course and degree designing.
M.K.Ahtjamov, A.A.Bljudenov - Chelyabinsk, , 1989. - 86.
the MINISTRY of EDUCATION And SCIENCES of UKRAINE
the KIEV ACADEMY of the sailing CHARTER
the SEVASTOPOL SEA "POLYTECHNICAL" TECHNICAL SCHOOL
The course project
On a theme repair of filters various automobiles
Speciality Service and car repairs and engines
Has executed:
Introduction < * _Toc42960321 >
1 Filter - sediment bowl < * _Toc42960323 >
1.1 Purpose(assignment) of the filter of a sediment bowl < * _Toc42960324 >
1.2 The device of the filter of a sediment bowl < * _Toc42960325 >
1.3 A principle of work of the filter of a sediment bowl < * _Toc42960326 >
2 Filter of thin clearing < * _Toc42960328 >
2.1 Purpose(assignment) of the filter of thin clearing < * _Toc42960329 >
2.2 The device of the filter of thin clearing < * _Toc42960330 >
2.3 A principle of work of the filter of thin clearing fuel < * _Toc42960331 >
3. MAINTENANCE SERVICE And OPERATING REPAIR of the power supply SYSTEM of the ENGINE
< * _Toc42960333 >
3.1 The power supply system of the carburettor engine. Refusals and malfunctions
Power supply systems of the carburettor engine < * _Toc42960334 >
3.2 Diagnosing the general(common) technical condition of the power supply system
Carburettor (and diesel) engines < * _Toc42960335 >
3.3 diagnosing and adjusting works on system
A feed(meal) at , also That < * _Toc42960336 >
3.4 Adjustment of the carburettor < * _Toc42960337 >
3.5 Check and adjustment of a level of fuel in the carburettor. < * _Toc42960338 >
3.6 Check of tightness of a float < * _Toc42960339 >
3.7 Check . < * _Toc42960340 >
3.8 Check and adjustment of the terminator of the maximal frequency of rotation
Cranked shaft of the engine. < * _Toc42960341 >
3.9 Check of a fuel tank and < * _Toc42960342 >
3.10 Check of the fuel pump. < * _Toc42960343 >
3.11 Check of the air filter. < * _Toc42960344 >
3.12 Check of the carburettor by an engineless method. < * _Toc42960345 >
4 Security measures at work with the fuel equipment < * _Toc42960347 >
Introduction
Up to 1917 the domestic motor industry did not exist.
In our country have started to create the motor industry after Civil war. At the end of 1924 first Soviet automobile AMO-F15 was issued Carrying capacity 1,5 , and in 1925. The Yaroslavl car factory has started to To batch production of lorries. Start-up , reconstruction Moscow and expansion Yaroslavl Car factories promoted fast growth of domestic motor industry. Post-war years became the period of intensive development Soviet Motor industry. Again constructed and reconstructed The enterprises equipped with the modern equipment, fill up Motor pool of the country automobiles of more and more perfect models, The created in view of various climatic and road conditions. Consecutive and systematic updating, perfection,
