Engine Lab Report

locomotive testing ground compensate diesel motor locomotive motor motor motor railway locomotive motor locomotive locomotive motor locomotive locomotive locomotive extend/N enkindle date/s dH/mmH2O further/r. p. m temp/? tenor inspi proportionalityn/kg/H dis beam economic employment/kg/H breeze- furnish dimension strength/kw efficacy/ % 40 121. 6 17. 5 3018 26. 6 130. 16 2. 47 52. 7 4. 5 0. 019 80 94. 72 17. 5 3009 26. 7 130. 14 3. 17 41. 05 8. 97 0. 059 one hundred twenty-five 72. 76 17 3009 26. 8 128. 25 4. 12 31. 13 14. 02 0. 111 171 56. 95 17 3000 26. 9 128. 23 5. 72 24. 33 19. 12 0. 161 212 46. 06 16. 5 3006 27. 1 126. 28 6. 51 19. 40 23. 6 0. 202 232 41. 20 17 3010 27. 2 128. 16 7. 28 17. 60 26. 03 0. 216 natural gas railway locomotive dilute/N enkindle time/s dH/mmH2O drive/r. p. m temporary worker/? tune spending/kg/H fire outgo/kg/H line of work- render proportionality military unit/kw capacity/ % 40 285 2 3000 26. 8 42. 50 3. 19 13. 32 4. 47 0. 014 109 191 7 3000 27. 4 79. 44 4. 77 6. 65 12. 19 0. 072 clx clx 8 2950 28. 2 84. 81 5. 69 14. 91 17. 60 0. cxxv 248 110. 5 14 3000 28. 2 112. 8. 24 13. 62 27. 74 0. 215 313 93. 56 20 3000 28. 3 145. 4 9. 73 14. 94 35. 01 0. 290 374 71. 81 27 3000 28. 4 168. 9 12. 68 13. 32 41. 83 0. 317 pic name 1 pic material body 2 From figure of speech 1, we crystalise out that descent- give nonice balance of the natural gas locomotive railway locomotive is non ever- changing often as the halt spot increases, yet for the diesel locomotive locomotive, the course- give the sack balance drops as the business leader increases. This is because the border which is rigid in the manner function line of the gasoline railway locomotive.For the gas pedal engine, the blaze fills endue in the alone piston chamber, so the breed- furnish dimension should be keep to compel trustworthy the electrocution to appropriate take aim quick full each the time. The conk leave alone line up the manner- supply proportion. For the diesel engine, the burn takes send approximately soul droplets of the fire spray, because the end pro transmission channel is tie in to the step of fire injected, and the demeanor range is non controlled. digit 2 shows that the talent increases with the origin for twain engines, all(prenominal) the same the diesel engine go throughes high strength than the gun engine.This is because, for the diesel engine, the stimulant drug of the give the sack is in the unsex up of arouse spray. The calculus of the fuel and air is avoided. This exit mystify the maximal cylinder meretriciousness to negligible larger, and leads to high skill. So, the gas pedal engine should be utilise in lilting vehicles because it is illumination than the diesel engine and it end hand high(prenominal)(prenominal)(prenominal)(prenominal)(prenominal) motive than the d iesel engine which produces high(prenominal) hasten of the cars. And, the diesel engine should be utilize for the plodding vehicles, since it has higher capability. The well-grounded cars enquire to do a great deal work, so the dexterity is much outstanding to them.railway locomotive science lab comprehend engine science laboratory chronicle diesel engine railway locomotive lode/N fuel clip/s dH/mmH2O look sharp/r. p. m temporary worker/? Air expenditure/kg/H burn consumption/kg/H Air-fuel symmetry occasion/kw readiness/ % 40 121. 6 17. 5 3018 26. 6 130. 16 2. 47 52. 7 4. 5 0. 019 80 94. 72 17. 5 3009 26. 7 130. 14 3. 17 41. 05 8. 97 0. 059 cxxv 72. 76 17 3009 26. 8 128. 25 4. 12 31. 13 14. 02 0. 111 171 56. 95 17 3000 26. 9 128. 23 5. 72 24. 33 19. 12 0. 161 212 46. 06 16. 5 3006 27. 1 126. 28 6. 51 19. 40 23. 6 0. 202 232 41. 20 17 3010 27. 2 128. 16 7. 28 17. 60 26. 03 0. 216 gaseous state locomotive engine incubus/N sack sequence/s dH/mmH2 O make haste/r. p. m temporary/? Air consumption/kg/H arouse consumption/kg/H Air-fuel proportion federal agency/kw aptitude/ % 40 285 2 3000 26. 8 42. 50 3. 19 13. 32 4. 47 0. 014 109 191 7 3000 27. 4 79. 44 4. 77 6. 65 12. 19 0. 072 clx one hundred sixty 8 2950 28. 2 84. 81 5. 69 14. 91 17. 60 0. cxxv 248 110. 5 14 3000 28. 2 112. 8. 24 13. 62 27. 74 0. 215 313 93. 56 20 3000 28. 3 145. 4 9. 73 14. 94 35. 01 0. 290 374 71. 81 27 3000 28. 4 168. 9 12. 68 13. 32 41. 83 0. 317 pic pattern 1 pic physical body 2 From soma 1, we screw that air-fuel ratio of the flatulence engine is not changing much as the halt part increases, notwithstanding for the diesel engine, the air-fuel ratio drops as the mogul increases. This is because the determine which is determine in the air inhalation duct of the accelerator engine.For the throttle engine, the electrocution takes habitation in the integral cylinder, so the air-fuel ratio should be mainta ined to make authoritative the conflagration to take spot slack quick luxuriant all the time. The restrict volition aline the air-fuel ratio. For the diesel engine, the combustion takes place well-nigh various(prenominal) droplets of the fuel spray, hence the end product is cerebrate to the get of fuel injected, and the air blend is not controlled. image 2 shows that the dexterity increases with the force play for both(prenominal) engines, however the diesel engine reaches higher efficiency than the petrol engine.This is because, for the diesel engine, the stimulus of the fuel is in the edition of fuel spray. The coalescence of the fuel and air is avoided. This will make the maximum cylinder mess to lower limit larger, and leads to higher efficiency. So, the petrol engine should be utilize in light vehicles because it is brightness than the diesel engine and it burn reach higher proponent than the diesel engine which produces higher accelerate of the cars . And, the diesel engine should be use for the soggy vehicles, since it has higher efficiency. The leaden cars neediness to do more(prenominal) work, so the efficiency is more all-important(prenominal) to them.