Design and Simulate Mixing of Compressed Natural Gas with Air in a Mixing Device
Gas mixer is a device used to determine the amount of natural gas and air before entering the engine. It injects the gas into the intake air stream of an internal combustion chamber using a combination of radial holes and radial tubes located around the perimeter of an air flow passage. The si...
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| Main Authors: | , , , |
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| Format: | Conference or Workshop Item |
| Language: | English |
| Published: |
2008
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| Subjects: | |
| Online Access: | http://umpir.ump.edu.my/id/eprint/1522/1/Design_and_Simulate_Mixing_of_Compressed_Natural_Gas_with_Air_in_a_mixing_device.pdf http://umpir.ump.edu.my/id/eprint/1522/ |
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| Institution: | Universiti Malaysia Pahang |
| Language: | English |
| Summary: | Gas mixer is a device used to
determine the amount of natural gas and air before
entering the engine. It injects the gas into the
intake air stream of an internal combustion
chamber using a combination of radial holes and
radial tubes located around the perimeter of an air
flow passage. The size of intake air passage, the
number and size of the radial holes and tubes
varies to achieve adequate gas or air mixing for
the particular engine. Measurement of air flow
necessary for engine operation is the selection
criteria of mixers. The power obtained from
engine is dependent on the size of the mixer. It
can be seen from the experimental result that a
smaller mixer caused higher pressure at the throat
in compare to the analytical result. High pressure
caused low velocity at the throat. Both smaller and
larger mixer was able to promote the methane into
the outlet from the inlet tube. Smaller size throat
mixer at the throat restricted caused undesirable
results.
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