Title :
Mathematical modelling of a low speed gas-liquid heat engine
Author_Institution :
Pontificia Univ. Catolica do Rio de Janeiro, Brazil
Abstract :
The simulation model of a gas-liquid heat engine that is characterized by very low speeds (1-3 rpm) and relatively high torque is presented. Mechanical work is obtained by the conversion of thermal energy from a heat source into liquid potential energy (through gas expansion). The energy equation, in its time-derivative form, is applied to representative engine control volumes, resulting in a set of nonlinear ordinary differential equations. Their integration provides the time variation of pressure and temperature of the working fluid
Keywords :
heat engines; gas expansion; liquid potential energy; low speed gas-liquid heat engine; mechanical work; nonlinear ordinary differential equations; pressure time variation; representative engine control volumes; temperature time variation; thermal energy; time-derivative from energy equation; Differential equations; Gravity; Heat engines; Heat sinks; Heat transfer; Mathematical model; Potential energy; Stirling engines; Torque; Wheels;
Conference_Titel :
Energy Conversion Engineering Conference, 1989. IECEC-89., Proceedings of the 24th Intersociety
Conference_Location :
Washington, DC
DOI :
10.1109/IECEC.1989.74836
