OPTIMUM THERMODYNAMICAL CHARACTERISTICS IN REACTOR COOLING
Journal Article
·
· Energia es Atomtech.
OSTI ID:4783673
The optimum temperature of the coolant leaving the reactor is investigated. A formula is deduced for the variation of the thermal efficiency as a function of the temperature of the coolant leaving the reactor, when the average temperature of the coolant is computed as the mean of its temperature on entry and departure on the T--S diagram. According to the relationship obtained, the increase of the thermal efficiency and the heat capacity decreasing on the reduction of the temperature difference will result in an optimum temperature for the coolant leaving the reactor. While in the case of coal fired generators this optimizat-ion is not necessary, in the case of atomic reactors when the fuel temperature is maximum the increase of the coolant temperature on leaving the reactor would result in reduction of the amount of heat removed. The amount of heat removable is proportional to the surface transmitting the heat, the coefficient of heat transmission, and to the average difference between the temperatures of the fuel and coolant. The variation of the temperature difference is examined for evaporation cooling and liquid or gas cooling. The optimum coolant temperature on its departure from the reactor is investigated according to the certain requirenrents. The optimum heating of the reactor coolant is considered, assuming that the average temperature of the coolant is constant; and the tenrperature of the coolant is constant when it leaves the reactor. Finally the thermodynamical properties of the ideal coolant and reactor cooling systenm are discussed. (OTS)
- Research Organization:
- Technical Univ., Budapest
- NSA Number:
- NSA-16-034006
- OSTI ID:
- 4783673
- Journal Information:
- Energia es Atomtech., Journal Name: Energia es Atomtech. Vol. Vol: No. 4
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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