Abstract
Today, no one doubts the necessity of widespread applying of gas fuel both in industry and in transport. The price, environmental safety and availability of this type of fuel play a crucial role. Russian Railways has also taken a number of decisions to develop the design and construction of gas-fueled locomotives. The work is being carried out in two directions: locomotives will be created that run on gas fuel using gas turbine and gas piston engines with full replacement of diesel fuel, as well as gas locomotives with diesel engines that run on a gas-diesel cycle. The latter are attractive because the gas-diesel engine has higher technical and economic characteristics and can be easily transformed into a locomotive running on diesel fuel, which can be of strategic importance.
Highlights
In Gas-piston engines were created in the last century and are used in road transport and stationary installations
At the low price of gas fuel, the absolute replacement of diesel fuel with gas makes this option of converting an engine to gas fuel very attractive
The TEM18G shunting diesel locomotive was brought to industrial production
Summary
In Gas-piston engines were created in the last century and are used in road transport and stationary installations. The TEM18G shunting diesel locomotive was brought to industrial production, In our opinion, this situation arose due to the fact that in the technical requirements for gas-diesel engines there is a requirement for an instant transition to work from gas to diesel fuel and vice versa. We believe that the transition from gas to liquid fuel should be accompanied by a change nozzles In this case, when working on the gas-diesel cycle, it is possible to ensure the operation of the diesel engine in all modes, including starting and idling, and a high (85-90%) degree of replacement of diesel fuel. The second and third modes correspond to hill work and work on the hood [7,8,9]
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