TY  - JOUR
A1  - Warerkar, Shashikant
A1  - Schmitz, Stefan
A1  - Göttsche, Joachim
A1  - Hoffschmidt, Bernhard
A1  - Reißel, Martin
A1  - Tamme, Rainer
T1  - Air-Sand Heat Exchanger for High-Temperature Storage
JF  - Journal of Solar Energy Engineering. 133 (2011), H. 2
Y1  - 2011
SN  - 0199-6231
N1  - 7 pages
SP  - 021010
PB  - ASME
CY  - New York
ER  - 
TY  - JOUR
A1  - Vieira da Silva, Maria Eugenia
A1  - Schwarzer, Klemens
A1  - Hoffschmidt, Bernhard
A1  - Pinheiro Rodrigues, Frederico
A1  - Schwarzer, Tarik
A1  - Costa Rocha, Paulo Alexandre
T1  - Mass transfer correlation for evaporation–condensation thermal process in the range of 70 °C–95 °C
JF  - Renewable energy
Y1  - 2013
SN  - 1879-0682 (E-Journal); 0960-1481 (Print)
VL  - Vol. 53
SP  - 174
EP  - 179
PB  - Elsevier
CY  - Amsterdam
ER  - 
TY  - JOUR
A1  - Schwarzer, Klemens
A1  - da Silva, Vieira E.
A1  - Hoffschmidt, Bernhard
A1  - Schwarzer, T.
T1  - A new solar desalination system with heat recovery for decentralised drinking water production
JF  - Desalination. 248 (2009), H. 1-3
Y1  - 2009
SN  - 0011-9164
N1  - Water and Sanitation in International Development and Disaster Relief (WSIDDR) International Workshop Edinburgh, Scotland, UK, 28–30 May 2008
SP  - 204
EP  - 211
PB  - Elsevier
CY  - Amsterdam
ER  - 
TY  - JOUR
A1  - Rau, Christoph
A1  - Alexopoulos, Spiros
A1  - Breitbach, Gerd
A1  - Hoffschmidt, Bernhard
A1  - Latzke, Markus
A1  - Sattler, Johannes, Christoph
T1  - Transient simulation of a solar-hybrid tower power plant with open volumetric receiver at the location Barstow
JF  - Energy procedia : proceedings of the SolarPACES 2013 International Conference
N2  - In this work the transient simulations of four hybrid solar tower power plant concepts with open-volumetric receiver technology for a location in Barstow-Daggett, USA, are presented. The open-volumetric receiver uses ambient air as heat transfer fluid and the hybridization is realized with a gas turbine. The Rankine cycle is heated by solar-heated air and/or by the gas turbine's flue gases. The plant can be operated in solar-only, hybrid parallel or combined cycle-only mode as well as in any intermediate load levels where the solar portion can vary between 0 to 100%.

The simulated plant is based on the configuration of a solar-hybrid power tower project, which is in planning for a site in Northern Algeria. The meteorological data for Barstow-Daggett was taken from the software meteonorm. The solar power tower simulation tool has been developed in the simulation environment MATLAB/Simulink and is validated.
Y1  - 2014
U6  - http://dx.doi.org/10.1016/j.egypro.2014.03.157
SN  - 1876-6102
VL  - 49
SP  - 1481
EP  - 1490
PB  - Elsevier
CY  - Amsterdam
ER  - 
TY  - JOUR
A1  - Kronhardt, Valentina
A1  - Alexopoulos, Spiros
A1  - Reißel, Martin
A1  - Sattler, Johannes, Christoph
A1  - Hoffschmidt, Bernhard
A1  - Hänel, Matthias
A1  - Doerbeck, Till
T1  - High-temperature thermal storage system for solar tower power plants with open-volumetric air receiver simulation and energy balancing of a discretized model
JF  - Energy procedia
N2  - This paper describes the modeling of a high-temperature storage system for an existing solar tower power plant with open volumetric receiver technology, which uses air as heat transfer medium (HTF). The storage system model has been developed in the simulation environment Matlab/Simulink®. The storage type under investigation is a packed bed thermal energy storage system which has the characteristics of a regenerator. Thermal energy can be stored and discharged as required via the HTF air. The air mass flow distribution is controlled by valves, and the mass flow by two blowers. The thermal storage operation strategy has a direct and significant impact on the energetic and economic efficiency of the solar tower power plants.
Y1  - 2014
U6  - http://dx.doi.org/10.1016/j.egypro.2014.03.094
SN  - 1876-6102 (E-Journal) ; 1876-6102 (Print)
VL  - 49
SP  - 870
EP  - 877
PB  - Elsevier
CY  - Amsterdam
ER  - 
TY  - JOUR
A1  - Hoffschmidt, Bernhard
A1  - Téllez, Félix M.
A1  - Valverde, Antonio
A1  - Fernandez, Valerio
A1  - Fernandez, Jesus
T1  - Performance evaluation of the 200-kWth HiTRec-II open volumetric air receiver
JF  - Journal of solar energy engineering
Y1  - 2003
VL  - Vol. 125
IS  - Iss. 1
SP  - 87
EP  - 94
ER  - 
TY  - JOUR
A1  - Hoffschmidt, Bernhard
A1  - Riffelmann, K.-J.
A1  - Krödel, M.
A1  - Rietbrock, P.
T1  - PHITREC - pressurized volumetric air receiver for high temperature solar applications / K.-J. Riffelmann ; B. Hofschmidt ...
JF  - Forschungsbericht : DLR FB. 10 (2001)
Y1  - 2001
SN  - 0939-2963
N1  - 2. ISSN: 1434-8454 ; Kölner Sonnenkolloquium <5, 2001, Köln> ; Solar thermal power plants and solar chemical processes : advances and perspectives for international cooperation
SP  - 73
EP  - 74
ER  - 
TY  - JOUR
A1  - Hoffschmidt, Bernhard
A1  - Pitz-Paal, Robert
A1  - Böhmer, M.
T1  - A new closed/open volumetric receiver concept for parabolictrough collectors (test results)
JF  - Journal de physique. 9 (1999), H. 3
Y1  - 1999
SN  - 1155-4339
SP  - 3
ER  - 
TY  - JOUR
A1  - Hoffschmidt, Bernhard
A1  - Pitz-Paal, R.
A1  - Böhmer, M.
T1  - Experimental and numerical evaluation of the performance and flow stability of different types of open volumetric absorbers under non-homogeneous irradiation / R. Pitz-Pahl ; B. Hofschmidt ; M. Böhmer ...
JF  - Solar energy. 60 (1997), H. 3-4
Y1  - 1997
SN  - 0038-092X
SP  - 135
EP  - 150
ER  - 
TY  - JOUR
A1  - Hoffschmidt, Bernhard
A1  - Krüger, D.
A1  - Hennecke, K.
T1  - Results from parabolic trough systems for process heat at the DLR Cologne / D. Krüger ; B. Hoffschmidt ; K. Hennecke ...
JF  - Solar thermal 2000 : proceedings of the 10th SolarPACES International Symposium on Solar Thermal Concentrating Technologies, Sydney, Australia, 8 - 10 March 2000 ; part of the
Y1  - 2000
N1  - International Symposium on Solar Thermal Concentrating Technologies <10, 2000, Sydney>
SP  - 113
EP  - 120
CY  - Sydney
ER  -