Volume 03 Issue 06-2023
362
International Journal of Advance Scientific Research
(ISSN
–
2750-1396)
VOLUME
03
ISSUE
06
Pages:
362-367
SJIF
I
MPACT
FACTOR
(2021:
5.478
)
(2022:
5.636
)
(2023:
6.741
)
OCLC
–
1368736135
A
BSTRACT
One of the advantages of modern research technology is that the fuel economy of a car includes a variable
mode from a fixed driving mode to a driving cycle. This acquisition significantly approximates the results
of studies with operational observations, and the correlation of operational linear costs in the TK car is
regulated while preventing the fuel consumption estimation.
K
EYWORDS
Vehicle, calibration, driving cycle, fuel consumption, test, experience.
I
NTRODUCTION
Several indicators are used during the research to
take into account the complications that arise
during the car's movement and various external
conditions for fuel economy. To fully study the
features of the urban traffic cycle, the research
tests conducted to determine the fuel
consumption and its economy, including the
driving conditions of each transmission at
different speeds, are conducted according to the
methodology of GOSt 20306-90 [1-4]. Fuel
consumption measuring devices are based on the
operation of the engine pistons in the cylinders
with the help of a fuel pump under pressure due
to the rapid burning of fuel. The pistons are
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Research Article
TEST RESEARCH METHOD OF DETERMINING THE BASIC
NORM OF FUEL CONSUMPTION OF CARS
Submission Date:
June 20, 2023,
Accepted Date:
June 25, 2023,
Published Date:
June 30, 2023
Crossref doi:
https://doi.org/10.37547/ijasr-03-06-59
Ismadiyorov Asrorjon Anvarjon Ogli
Assistant, Fergana Polytechnic Institute, Fergana, Uzbekistan
Madraximov Maqsudali Maribjonovich
Assistant, Fergana Polytechnic Institute, Fergana, Uzbekistan
Volume 03 Issue 06-2023
363
International Journal of Advance Scientific Research
(ISSN
–
2750-1396)
VOLUME
03
ISSUE
06
Pages:
362-367
SJIF
I
MPACT
FACTOR
(2021:
5.478
)
(2022:
5.636
)
(2023:
6.741
)
OCLC
–
1368736135
connected to the connecting rods employing the
central shaft cams. The diameters of the cylinders
are set in such a way that 2 cm3 of fuel is
compressed during one revolution. During their
rotation, a permanent magnetic force is
generated, and a light rotor with 20 shears is
produced. An electrical impulse is generated at
each flash of the photodiode. The interval
between two pulses is equal to 0.1 cm3 of fuel
consumption [5-9].
The main part
Depending on the type of engine, fuel
consumption measuring devices have a different
connection procedure to the engine. In the
classification of fuel consumption measuring
devices, their various connection methods are
listed. According to the mentioned schemes, the
devices in the carburettor engines are connected
between the fuel pump and the carburettor. The
volume of gasoline consumed is equal to the
volume of gasoline that passes through the device
[10-17]. The diesel fuel supply system is separate
from the carburettor engine, so it has it is own
characteristics. In diesel engines, devices are
connected between low and high-pressure
pumps, because firstly, under high pressure, they
work incorrectly, and secondly, in a diesel engine,
excess power is connected to YuBYoN. The
scheme of connecting the fuel consumption
measuring devices to the injection engine differs
from the above because the fuel moves under
pressure throughout the system. The speed of the
car is determined using the speedometer and
partly using the angular velocity of the engine
shaft. An electronic tachometer is connected to
the engine to measure the angular speed of the
crankshaft, and it shows its revolutions in digital
form. It connects to the positive wire of the
ignition coil [18-23].
Figure 1. Connection scheme of the fuel consumption meter to the supply system of the Nexia car:
Volume 03 Issue 06-2023
364
International Journal of Advance Scientific Research
(ISSN
–
2750-1396)
VOLUME
03
ISSUE
06
Pages:
362-367
SJIF
I
MPACT
FACTOR
(2021:
5.478
)
(2022:
5.636
)
(2023:
6.741
)
OCLC
–
1368736135
1- fuel tank, 2- non-return valve, 3- ONO SOKKI
consumption meter, 4- fuel ramp, 5- non-return
valve, 6, 7- hose.
To measure the travelled distance, the distance
meter installed on the car's speedometer is used
during the research, and the following formula is
used to determine the odometer.
н
к
Д
S
S
S
−
=
'
,
There:
- odometer correction factor;
'
Д
S
- the length of the measurement area, m;
к
S
and
н
S
- starting
and ending indicators of the speedometer, m. The known distance travelled by the car during the research
is calculated according to the following formula.
сч
Д
S
S
=
,
сч
S
- the value of the distance covered by the meter.
The correction coefficient of the counter on the Tashkent public road was determined: for the selected
Nexia car, it equals
=1.006. The research test will be conducted 3 times in 3 different regions. In each
area, the time to cross the measuring track, the distance travelled and the amount of fuel consumed were
measured. Data on all outcomes of the study were entered into the report and average values are presented
in Table 1.
Table 1. Traffic classifications of the Nexia car are given
a
V
= km/h
traffic 1
traffic 2
traffic 3
t =787 s
t =148 s
t = 448 s
Q = 391 gr
Q = 79,8 gr
Q = 215,89 gr
S=3361 m
S=771 m
S=1997 m
To determine the accuracy of the equation, the traffic classifications of the Nexia car are given. To
determine each point, studies were carried out with the speeds given by the measurement areas. The
method and conditions of the tests are very similar to the studies on the control of fuel consumption. To
evaluate the results of research and determine the account books
Volume 03 Issue 06-2023
365
International Journal of Advance Scientific Research
(ISSN
–
2750-1396)
VOLUME
03
ISSUE
06
Pages:
362-367
SJIF
I
MPACT
FACTOR
(2021:
5.478
)
(2022:
5.636
)
(2023:
6.741
)
OCLC
–
1368736135
∆=
|𝑋
𝑟𝑎𝑠
− 𝑋
𝑒𝑘𝑠
|
𝑋
𝑟𝑎𝑠
∙ 100%
research indicators are determined using the formula. The results of the ledger are found using a developed
mathematical model. Table 2 shows the calculation indicators of fuel classifications in percentage.
Table 2. Calculation indicators of fuel classifications
Motion cycle
traffic 1
traffic 2
traffic 3
The beaten path, m
3361
771
1997
Fuel consumption (feel),
gr
382,23
76,95
227,23
Fuel consumption (syn.),
gr
391
79,8
215,89
Catholic
2,294 %
3,704 %
4,991 %
Figure 2. Action cycle for Experiment 1.
The maximum value of uncertainty is 4.991%,
and the average uncertainty is 3.663% Because
the uncertainty does not exceed 5%, the fuel
economy of passenger cars is considered
acceptable in urban conditions. The fuel
consumption equation of the car was determined
and a partial classification of the Nexia car was
made.
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