Testing of vehicles in terms of fuel consumption
Those who manage fleets, they must know the average fuel consumption of vehicles in their fleet. Of course, the average fuel consumption is not always the same in all situations and at times it is necessary to test vehicles in terms of fuel consumption. Also, we test vehicles in order to prevent or detect fuel abuse.
In essence, this test consists of three phases:
1. supply of fuel just before the start of vehicle operation,
2. vehicle operation and
3. supply of fuel at the end of the vehicle operation.
The first thing to look for when testing is a place, that is, surface, on which the vehicle is in, during the fuel supply. For a test to be valid, the surface should be, straight and level, with no slope or, if the surface is not horizontal, to the both fuel supply, the slope must be the same.
In both fuel supply, fuel tank must be filled to the same level. The best, and easiest to run it, is to fill a reservoir to the brim.
When pouring the fuel in the tank, foam creates. When the fuel level in the reservoir reaches the top, we should wait for foam to remove and, if necessary (and mostly it is), pour more fuel in the tank so that it is full.
When the vehicle is properly supplied with fuel, we should collect the following information:
1. the total distance traveled in vehicle kilometers (mileage),
2. total time in hours of vehicle operation,
3. if there is a fuel monitoring device, we should record and data on the total amount of fuel consumed in liters.
When the vehicle is properly supplied with fuel and when we recorded all necessary data, the vehicle can go to work.
During operation of the vehicle, it should be noted that the scale that indicates the engine speed is still in the green box, that is, should not be in the red box. You should also pay attention to the sound of the engine.
Upon completion of the vehicle work, we should supply vehicle with a fuel and capture data in the same way.
If we mark data recorded in the fuel supply before the start of vehicle work as follows:
KM1 - state of the mileage
MH1 - state motto of clocks,
L1 - state of the total amount of spent fuel, from the device to monitor fuel,
and data recorded in the fuel supply at the end of the vehicle work as follows:
KM2 - state of the mileage,
MH2 - state motto of clocks,
L2 - the state of the total amount of spent fuel from the device to monitor fuel consumption, and
v - the amount of fuel poured in the tank,
then we have the following:
km = KM 2 - KM1 odometer vehicles,
mh = MH2 - MH1 time of vehicle operation,
l = L2 - L1 amount of fuel consumed during operation of the vehicle.
Average consumption obtained by testing is v / km or v / mh and the amount of fuel poured in the tank (v) would have to be the same as the amount of fuel consumed during operation (l) if the device for monitoring fuel consumption is precise.
Those who manage fleets, they must know the average fuel consumption of vehicles in their fleet. Of course, the average fuel consumption is not always the same in all situations and at times it is necessary to test vehicles in terms of fuel consumption. Also, we test vehicles in order to prevent or detect fuel abuse.
In essence, this test consists of three phases:
1. supply of fuel just before the start of vehicle operation,
2. vehicle operation and
3. supply of fuel at the end of the vehicle operation.
The first thing to look for when testing is a place, that is, surface, on which the vehicle is in, during the fuel supply. For a test to be valid, the surface should be, straight and level, with no slope or, if the surface is not horizontal, to the both fuel supply, the slope must be the same.
In both fuel supply, fuel tank must be filled to the same level. The best, and easiest to run it, is to fill a reservoir to the brim.
When pouring the fuel in the tank, foam creates. When the fuel level in the reservoir reaches the top, we should wait for foam to remove and, if necessary (and mostly it is), pour more fuel in the tank so that it is full.
When the vehicle is properly supplied with fuel, we should collect the following information:
1. the total distance traveled in vehicle kilometers (mileage),
2. total time in hours of vehicle operation,
3. if there is a fuel monitoring device, we should record and data on the total amount of fuel consumed in liters.
When the vehicle is properly supplied with fuel and when we recorded all necessary data, the vehicle can go to work.
During operation of the vehicle, it should be noted that the scale that indicates the engine speed is still in the green box, that is, should not be in the red box. You should also pay attention to the sound of the engine.
Upon completion of the vehicle work, we should supply vehicle with a fuel and capture data in the same way.
If we mark data recorded in the fuel supply before the start of vehicle work as follows:
KM1 - state of the mileage
MH1 - state motto of clocks,
L1 - state of the total amount of spent fuel, from the device to monitor fuel,
and data recorded in the fuel supply at the end of the vehicle work as follows:
KM2 - state of the mileage,
MH2 - state motto of clocks,
L2 - the state of the total amount of spent fuel from the device to monitor fuel consumption, and
v - the amount of fuel poured in the tank,
then we have the following:
km = KM 2 - KM1 odometer vehicles,
mh = MH2 - MH1 time of vehicle operation,
l = L2 - L1 amount of fuel consumed during operation of the vehicle.
Average consumption obtained by testing is v / km or v / mh and the amount of fuel poured in the tank (v) would have to be the same as the amount of fuel consumed during operation (l) if the device for monitoring fuel consumption is precise.
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