Organic Rankine Cycle
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Search Completed | Title | Layout study for supercritical CO2 Brayton cycle General information Semester Project Proposal
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Text | Layout study for supercritical CO2 Brayton cycle General information Semester Project Proposal | 001
Laboratory Supervisor: Starting date: Duration: Contacts:
Laboratory for Applied Mechanical Design
Eric Olmedo, J.Schiffmann Spring semester, 2016
Until end of term (14 weeks + presentation) email@example.com , firstname.lastname@example.org
Layout study for supercritical CO2 Brayton cycle
Semester Project Proposal
Supercritical CO2 (S-CO2) cycles are energy conversion cycles of great potential. Research and development focused on this area has gained great momentum in the past decade. Turbo- machinery compactness (up to a factor of 1/10), less compression work, cycle adapted to a wide range of heat sources, (from nuclear power plants to waste heat recovery applications) inexpensive, environmentally friendly and readily available working fluid... the potential of this cycle is indeed very promising.
The technical challenges we address within S-CO2 cycles deal with decentralized energy conversion and (therefore) micro-turbo-machinery.
Indeed, whereas the majority of current research on this topic is focusing on the MWe power scale, at LAMD we target kWe-range following the philosophy of energy decentralization. The proposed semester project deals with a layout study at the component cycle level in order to assess which cycle configuration showcases best performances in the kW range.
Supercritical CO2 cycles are based on closed Brayton cycles working with CO2 in supercritical state. A simple Brayton cycle is the basic starting configuration but better performances are expected by means of including standard improvement techniques such as reheating, flow splitting and recompression, intercooling, and of course, combinations of these. The aim of the study is to define the most promising S-CO2 cycle layouts for in the kW range. The expected tasks are the following:
a) Define relevant heat sources for S-CO2 cycles in the kW scale
b) Define operating conditions range for S-CO2 cycle adapted to identified heat sources
and small scale turbo-machinery.
a) Modeling of a basic S-CO2 Brayton cycle
b) Modeling of subsequent Brayton cycle configurations
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