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Dish/stirling hybrid-receiver

Patent ·
OSTI ID:874907
 [1];  [2];  [3];  [3];  [3];  [4];  [5]
  1. Boulder, CO
  2. Arvada, CO
  3. Albuquerque, NM
  4. Melrose, NY
  5. Golden, CO
+ Show Author Affiliations

A hybrid high-temperature solar receiver is provided which comprises a solar heat-pipe-receiver including a front dome having a solar absorber surface for receiving concentrated solar energy, a heat pipe wick, a rear dome, a sidewall joining the front and the rear dome, and a vapor and a return liquid tube connecting to an engine, and a fossil fuel fired combustion system in radial integration with the sidewall for simultaneous operation with the solar heat pipe receiver, the combustion system comprising an air and fuel pre-mixer, an outer cooling jacket for tangentially introducing and cooling the mixture, a recuperator for preheating the mixture, a burner plenum having an inner and an outer wall, a porous cylindrical metal matrix burner firing radially inward facing a sodium vapor sink, the mixture ignited downstream of the matrix forming combustion products, an exhaust plenum, a fossil-fuel heat-input surface having an outer surface covered with a pin-fin array, the combustion products flowing through the array to give up additional heat to the receiver, and an inner surface covered with an extension of the heat-pipe wick, a pin-fin shroud sealed to the burner and exhaust plenums, an end seal, a flue-gas diversion tube and a flue-gas valve for use at off-design conditions to limit the temperature of the pre-heated air and fuel mixture, preventing pre-ignition.

Research Organization:
Midwest Research Institute
DOE Contract Number:
AC36-99GO10337
Assignee:
Midwest Research Institute (Kansas City, MO)
Patent Number(s):
US 6487859
OSTI ID:
874907
Country of Publication:
United States
Language:
English

References (3)

Development of a solar and gas-fired heat pipe receiver for the Cummins power generation 7.5 kWe dish/Stirling system conference February 2013
Second Generation Sodium Heat Pipe Receiver for a USAB V-160 Stirling Engine: Evaluation of On-Sun Test Results Using the Proposed IEA Guidelines and Analysis of Heat Pipe Damage journal November 1997
Solar test of an integrated sodium reflux heat pipe receiver/reactor for thermochemical energy transport journal January 1992

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Related Subjects

/60/
absorber
additional
air
array
burner
combustion
comprising
concentrated
concentrated solar
conditions
connecting
cooling
covered
cylindrical
cylindrical metal
dishstirling
diversion
dome
downstream
energy
engine
exhaust
extension
facing
fired
firing
flowing
flue-gas
forming
fossil
fossil-fuel
front
fuel
heat
heat pipe
heat-input
heat-pipe
heat-pipe-receiver
high-temperature
hybrid
hybrid-receiver
ignited
including
inner
integration
introducing
inward
jacket
joining
limit
liquid
matrix
metal
mixture
off-design
operation
outer
pin-fin
pipe
plenum
plenums
porous
pre-heated
pre-ignition
pre-mixer
preheating
preventing
products
provided
radial
radially
rear
receiver
receiving
recuperator
return
seal
sealed
shroud
sidewall
simultaneous
sink
sodium
solar
solar absorber
solar energy
solar heat
surface
tangentially
temperature
tube
valve
vapor
wall
wick