Your English writing platform
Discover LudwigSuggestions(1)
Exact(1)
Different control strategies are proposed and their effectiveness is evaluated in terms of engine wall temperature, coolant temperature, coolant flow rate and heat transfer regime in response to step-wise variations in fuel flow rate.
Similar(59)
While typically analysed through ground-based impulse facilities, scramjets experience significant heating loads in flight, raising engine wall temperatures and the fuel used to cool them beyond standard laboratory conditions.
The main task of the feedforward controller is the correct closing of the bypass valve at cold start as a function of the demanded value for the engine out temperature and of the observed values of the engine block and engine wall temperatures.
The characteristics of the engine including wall temperature, the concentration of the combustion products, the gas temperature and the pulse pressure were measured by the infrared thermal imaging system, the flue gas analyser and other equipment.
Taking the regenerative cooling of SCRamjet for example, the fuel flow mal-distribution in parallel cooling channels may cause severe fuel cooling capacity waste and even over-temperature of the engine wall.
The developed controller is based on the Robust Model Predictive Control and is designed with the purpose to satisfy the input and output constraints and to reject the external disturbances, by adopting a lumped parameter model of the engine cooling system, which predicts the coolant temperature, the average wall temperature and the heat transfer regime including nucleate boiling.
Therefore, the instantaneous heat transfer coefficient and adiabatic wall temperature for each subdivision are evaluated during the four-stroke of an engine.
hot wall temperature (K).
cold wall temperature (K).
Wall temperature (K).
Constant wall temperature.
Write better and faster with AI suggestions while staying true to your unique style.
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com