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Home › Forums › Asimptote knowledge forum › DELE in the evaporator (ORC cycle) › Reply To: DELE in the evaporator (ORC cycle)

April 11, 2025 at 4:27 pm #7649
sreekanth.manavalla
Participant

If you used a heat exchanger as an evaporator, here are the conditions which are avaiable in the Help:

DELE=energy flow to the environment (kW) for EEQCOD = 2 (default = 0.0)

DELE > 0 is energy flow to the environment, for example radiation loss. This value, which is used in a local energy balance, can be altered in a user subroutine (APSUB).
DELE should differ by at least EPS from -8888.8

If you used a Boiler as an evaporator:
DELE=energy flow released from the boiler (kW) (default = UNKNOWN).

Radiation losses cannot be specified separately, but may be rediscounted in the thermal efficiency. Specification is only allowed for boilers with 1 inlet and 1 outlet pipe. The value should differ by at least EPS from -8888.8. If DELE is specified, ESTMAS should be specified also.