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Re: [TRNSYS-users] Problem in STEC Library- Rankine cycle
Christina,
The STEC library is provided to the TRNSYS community "as is." The
library was developed by an organization of research groups called
SolarPACES (http://www.solarpaces.org/inicio.php). The last version of
the STEC Library for TRNSYS was released in 2006 and while the library
is still available, the SolarPACES groups' activities have moved in
other directions. To my knowledge there is no one actively supporting
the STEC Library anymore.
There are other sources of components that might be worth pursuing.
The TESS Cogeneration/Combined Heat and Power library contains a number
of steam components and includes a steam boiler among them. That model,
however, does not allow for different fuel compositions and does not
compute CO2 emissions.
You might also pursue leads from a paper that was presented at the
IBPSA World Conference in 2009: "COMPARISON OF DIFFERENT APPROACHES FOR
THE SIMULATION OF
BOILERS USING OIL, GAS, PELLETS OR WOOD CHIPS"
(http://www.ibpsa.org/proceedings/BS2009/BS09_0732_739.pdf )
Kind regards,
David
On 2/7/2012 05:49, Christina Tsechelidou wrote:
Dear users,
I'm new in Trnsys and I need your help. I want to simulate a coal
fired power plant which operates with regenerative Rankine cycle.
I use Rankine cycle, which is part of STEC library. In this cycle the
type of steam generator is composed only of heat exchangers,
such as an economizer and an evaporator. The exchanger is composed of
two flows, one cold and one hot. The cold one is the feed-water from
the steam cycle. My problem is the hot one, so I need a component
(boiler) which will provide the exchanger with the hot input(hot side
inlet temperature, hot side flow rate). I’m looking for a component
like type 426-combustion chamber in Brayton cycle but for lignite and
not for liquid or gaseous fuel. This component may have parameters
such as composition of fuel, fuel flow rate and outputs such as fuel
consumption, temperature and flow rate of flue gas, CO2 emissions,
etc. I'm waiting for your reply.
Thank you in advance for your assistance.
Tsechelidou Christina
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David BRADLEY
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Thermal Energy Systems Specialists, LLC
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