Design and Development of
Radial air engine
Guide : Prof. Rajesh kumar
prepared by: Dhiren Chaudhary
Kaushik Panchal
Yogesh Panchal
Vivek Prajapati
Radial air
engine
Why select this project ?
• It’s work on pneumatic application.
• It is used in small distance motion apps. The
speed requirement is low. It requires less power.
Can be worked on low load capacity.
• This engine does not required any type of fossil
fuel.
• This engine is non-polluted.
Problem definition
• “Design and construct radial air engine for
mechanical application.”
• Application found in industry:- Where small
efforts required for movement in machine.
• Pneumatic means air energy.
• The working of this engine is based on energy of
air which converts air energy in to some
rotational energy.
Project background
• 1901 :- C. M. Manly constructed a five-
cylinder radial engine.
• 1903–1904:- Jacob Ellehammer used his
experience constructing motorcycles to
build the world's first air-cooled radial
engine.
objective
• Uses air energy for small movement of
machine to reduce human effort.
• Small and light weight.
• With balance structure contained, smooth
working with little vibration available.
• high efficiency, less engine cost.
SCOPE OF OBJECTIVE
• grass cutter, surface cleaning, etc...
• Small capacity automobile vehicles.
• All type of application where air energy is used.
• Vehicular transportation using a compressed air
vehicle.
• pneumatic screwdrivers.
Methodology of project
Define problem
Literature survey
Design parts of engine
Construct model according
to design
Analysis Testing
Application found
Conclusion
Future scope
Support plate
Support plate
Support plate
Cylinder
Piston & Connecting road
Crank disk
Crank shaft
Crank pin
Air connecter
Plate
Spring loaded screw
Flywheel
Channel base
Radial air Engine
• A Radial air engine having a plurality of cylinders, with each cylinder having an expansion chamber in
part by a piston plate and a diversion chamber which is divided into two chambers by a slide plate ,
with the diversion chambers connected to a pressure supply line and to a pressure diversion line. The
piston plate is connected to a piston rod by a lock. The expansion chamber holds an amount of
compressed air held constant throughout the operation cycle. Expansion of the expansion chamber
moves the piston plate and piston rod to rotate a crankshaft. At the end of the expansion stroke, the
piston roads disconnected from the piston plate. The expansion chamber is compressed by pressurizing
the diversion chamber below the slide plate, forcing the slide plate and push rods upwards, which
pushes the piston plate upwards, until the piston plate can be held at a top position by a lock. The
diversion chamber below the slide plate is pressurized by pressurized air from diversion chambers of
cylinders in which the expansion chamber has been compressed. The piston force applied the
connecting crank disk and crank disk rotating motion so that the crankshaft rotary motion. The
flywheel to connect a crankshaft and the flywheel rotating. The air compressor supply the air through
air pipe to piston.
Literature review
Sr.n Author Year Journal Description Points to be
o. Of work taken
1 Zhang Et. 2013 Entropy It is Concept of
All. suggested that at low working radial air
temperatures both maximum engine.
exergy efficiency and
maximum work output can be
used as the design objective,
however, only maximum work
output can be used as the
design objective for the four-
stage radial turbine over the
working temperature range in
this work.
Sr. Author Year Journal Description Points to be
no Of work taken
.
2 - 2004 - The Top Flite Radial Engine Design of
(hereafter radial engine.
referred to as Radial ) is patterned
after the Pratt &
Whitney radial engines that
powered numerous aircraft
from the Golden Age of aviation.
3 Prof. 2012 International Current four strokes single cylinder Design of
Sorathiya Journal of engine (bikes/moped) can be run on single
Arvind Advanced the compressed cylinder.
Et al. Engineering air with a few modifications that are
Technology the main objective of the study.
Compressed air filled by electricity
using a compressor.
The electricity requirement for
compressing air has to be
considered while computing overall
efficiency
Sr. Author Year Journal Description Points to
no Of work be taken
.
4. Abhishek Lal 2013 INTERNATIONAL Compressed Air Engine is a Compresse
JOURNAL of better option to produce d air
RENEWABLE power to run automobile, engine,
ENERGY generators etc. This paper zero
RESEARCH contains design and dynamic pollution,
analysis of a light weight air fuel
single stroke compressed air
engine it does not required
any of the fossil fuels like
petrol, diesel, CNG, LPG,
hydrogen etc. to run engine
and no power is required to
start up engine only
compressed air valve is to be
opened. It works on
compressed pressure air and
hence is pollution free and
100% eco-friendly.
no Of work taken
.
5. Chih-Yung 2013 OPEN This study presents a power power
Huang ACCESS output examination with the performance
Energies pressure and temperature & pressure.
measurements of a piston-type
compressed air engine to be
installed in compact vehicles as
the main or auxiliary power
system.
6. Prof. B. S. 2011 National To convert a conventional IC Operation
PATEL et al. Conference engine into an process for
on Recent Air Powered one, few components engine inside
Trends in are to be replaced. parts.
Engineering First of all replace the spark plug
& Technology with a pulsed
pressure control valve which can
create required
pressure. Now the pulsed air firing
in this valve is
controlled by controlling the
supply of electrical
signal to the plunger.
Sr. Author Year Journal Description Points to be
no. Of work taken
7. Bharat Raj 2012 International A prototype air engine is Improve the
Singh and Journal of built and tested in the laboratory. efficiency.
Onkar Singh Rotating The experimental results are also
Machinery seen much closer to the analytical
values, and the performance
efficiencies are recorded around
70% to 95%.
8. S.K.M.Asikul 2012 International The environmental pollution in the Compressed
Islam et al. Mechanical metropolitan cities is increasing air engine.
Engineering rapidly mostly because of the
Conference increased number of fossil fuel
powered vehicles.Many alternative
options are now being studied
through out the world. One of the
alternative solutions can be a
compressed air powered vehicle.
Month Problem Literature Design Parts Parts Making
Defination serve searching Purchasing
15 15 15 15 15 15 15 15 15 15
day day day day day day day day day day
August
September
October
November
December
January
February
March
April
Analysis of acceleration of piston
AnalysisDefinition2::measure5 (mm / sec^2)
7.059979 Time(second) Measure
6.959979
1 6.2859
10 6.9110
6.859979
20 6.2858
6.759979 30 6.3338
40 6.8987
Measure
6.659979
50 6.6255
6.559979
60 6.3108
6.459979 70 6.6782
80 6.9893
6.359979
90 6.5225
6.259979
0 20 40 60 80 100 120
100 6.4310
Time (Sec)
Analysis of position of piston
AnalysisDefinition2::measure5 (mm / sec^2)
7.059979 Time(second) Measure
6.959979
1 121.9194
6.859979
10 113.0361
6.759979
20 105.9232
30 121.9168
Measure
6.659979
40 108.5413
6.559979
50 109.7895
6.459979
60 121.6181
6.359979
70 105.0878
6.259979
0 20 40 60 80 100 120 80 114.3191
Time (Sec)
90 119.3135
100 103.6050
Position of cylinder
AnalysisDefinition2::measure3 (mm)
Time(second) Measure
153.7222 1 150.9989
152.7222 10 146.1906
151.7222
20 148.9972
30 152.1081
150.7222
40 145.7260
Measure
149.7222
50 150.5883
148.7222
60 150.4594
147.7222
70 145.9954
146.7222 80 151.9601
145.7222 90 148.4445
0 20 40 60 80 100 120
Time (Sec) 100 146.8567
Velocity of piston
AnalysisDefinition2::measure1 (mm / sec) Time(second) Measure
8.628526
1 8.0893
8.128526 10 5.8863
7.628526
20 7.7814
30 8.0580
7.128526
40 6.0657
Measure
6.628526
50 6.3171
6.128526 60 7.9534
70 6.9426
5.628526
80 5.1359
5.128526
0 20 40 60 80 100
90120 7.0943
Time (Sec)
100 7.8593
Velocity of Cranck disc
AnalysisDefinition2::measure2 (rad / sec) Time(second) Measure
2.694964
1 2.6776
10 2.6880
2.689964
20 2.6929
2.684964 30 2.6872
40 2.6833
Measure
2.679964
50 2.6805
2.674964
60 2.6723
70 2.6675
2.669964 80 2.6671
90 2.6657
2.664964
0 20 40 60 80 100 100 120 2.6712
Time (Sec)
Results
We have got the following RPM at different pressures of the
compressed air fed into the piston cylinder.
We have used tachometer to measure the RPM of the shaft.
A graph between the air pressure and the RPM available at
the output shaft has been shown in the Fig(figure no.).
Pressure Rpm
15 105
20 256
35 294
40 425
55 554
60 642
75 688
80 780
100 983
pressure vs rpm
1200
1000
800
Axis Title
600
rpm
400
200
0
15 20 35 40 55 60 75 80 100
CONCLUSION
Radial air engines that we have designed can be used to operate sewing
machine, surface cleaning by adding required mechanism or by using directly the
rotary motion available at the output shaft.
Nowadays glass plates are being used in the building whether at exterior or
interior so for cleaning these glass surfaces we an automated and with some
minimal pressure which can clean the surface gently. For these purposes we can
use radial air engine to power the device.
Engine dimensions as well as space acquired by the whole system is required to
be large because of storage of pressurized air
Engine will be operated with high pressurized air for efficient working.
Material replacement gives another option for improvement of engine.
Design modification give better and efficient working of engine
