Veröffentlichungen

2017

Veröffentlichungen in Journals

A. H. Taye, W. Hofacker and O. Hensel (2017); International Journal of Scientific and Engineering Research Volume 8, Issue 6, June 2017, ISSN 2229-5518, P 1143-1152: MODELING  AND  THE  ROLE  OF  WATER  ACTIVITY,  DESORPTION  ISOTHERM AND GLASS TRANSITION IN DRYING OF POTATOES QUALITY AND SHELF LIFE STABILITY
A. H. Taye and W. Hofacker (2017); International Journal of Scientific & Engineering Research Volume 8, Issue 5, May 2017, ISSN 2229-5518, P 1427-1432: APPLICATION OF THE CONCEPT OF GLASS TRANSITION TEMPERATURE FOR BETTER COLOR RETENTION AND LESS SHRINKAGE OF DRIED POTATO SLICES
K. G. Erko. W. Hofacker and A. Esper (2017); International Journal of Scientific and Engineering Research, Volume 8, Issue 11, November 2017: CHARACTERIZATION OF CONSTANT AND CONTINUOUS SQUARE WAVE AIR TEMPERATURE ON BATCH DRYING OF AGRICULTURAL PRODUCTSK.
G. Erko. A. H. Taye and W. Hofacker (2017); International Journal of Scientific and Engineering Research, Volume 8, Issue 11, November 2017: NUMERICAL MODELING OF COUPLED HEAT AND MASS TRANSFER WITH MOVING BOUNDARY DURING CONVECTIVE DRYING OF POTATO SLICES

Vorträge auf Konferenzen

K. Joedicke, S. Arendt, W. Hofacker and W. Speckle (2017); published at 6th European Drying Conference (EuroDrying 2017), Liège, Belgium: THE INFLUENCE OF PROCESS PARAMETERS ON THE QUALITY OF DRIED AGRICULTURAL PRODUCTS DETERMINED USING THE CUMULATED THERMAL LOAD
A. H. Taye, S. Arendt and W. Hofacker (2017); published at 6th European Drying Conference (EuroDrying 2017), Liège, Belgium: INFLUENCE OF PROCESSING CONDITION ON ASCORBIC ACID RETENTION OF HOT AIR DRIED POTATO SLICES
A. H. Taye and W. Hofacker (2017); published at 6th European Drying Conference (EuroDrying 2017), Liège, Belgium: EFFECT OF PROCESSING CONDITION ON DRYING KINETICS, SHRINKAGE AND MECHANICAL PROPERTIES OF HOT AIR DRIED POTATO SLICES
K. Joedicke, S. Arendt, W. Hofacker and W. Speckle (2017); published at International Week of Research, Development and Innovation (SIIDI 2017) Bucaramanga, Colombia: ADAPTION OF THE CUMULATED THERMAL LOAD FOR THE INVESTIGATION OF THE QUALITY OF DRIED AGRICULTURAL PRODUCTS
K. G. Erko, W. Hofacker and A. Esper (2017); 1st Ethiopia Society of Post-Harvest Management (ESPHM) conference, Addis Ababa, Ethiopia: AN INDUSTRIAL BATCH DRYING OF AGRICULTURAL PRODUCTS AND QUALITY OPTIMIZATION
A. H. Taye and W. Hofacker (2017); 1st Ethiopia Society of Post-Harvest Management (ESPHM) conference, Addis Ababa, Ethiopia: OPTIMIZING THE DRYING PARAMETERS FOR HOT AIR DRIED POTATO SLICES

Poster auf Konferenzen

K. G. Erko and W. Hofacker (2017); published at 6th European Drying Conference (EuroDrying 2017), Liège, Belgium: DETERMINATION OF THERMO-PHYSICAL PROPERTIES OF POTATO DURING CONVECTIVE DRYING
A. H. Taye and W. Hofacker (2017); published at 6th European Drying Conference (EuroDrying 2017), Liège, Belgium: INFLUENCE OF PROCESSING CONDITION ON ASCORBIC ACID RETENTION OF HOT AIR DRIED POTATO SLICES
A. H. Taye and W. Hofacker (2017); published at 6th European Drying Conference (EuroDrying 2017), Liège, Belgium: PHYSICAL, MECHANICAL AND DRYING KINETICS OF HOT AIR DRIED POTATO SLICES
P. K. Kangethe, D. O. Mbuge and W. Hofacker (2017); published at 6th European Drying Conference (EuroDrying 2017), Liège, Belgium: SIMULATION OF IN BIN LOW TEMPERATURE DRYING OF MAIZE IN KENYA
S. Arendt, K. Joedicke, W. Hofacker and W. Speckle (2017); published at 6th European Drying Conference (EuroDrying 2017), Liège, Belgium: QUALITY ANALYSIS OF FRESH AND DRIED PINEAPPLES

2016

Vorträge auf Konferenzen

K. G. Erko, A. H. Taye and W. Hofacker (2016); published at 20th International Drying Symposium (IDS 2016), Gifu, Japan: NUMERICAL MODELING OF COUPLED HEAT AND MASS TRANSFER WITH MOVING BOUNDARY DURING CONVECTIVE DRYING OF POTATO SLICES

Poster auf Konferenzen

A. H. Taye and W. Hofacker (2016); published at 20th International Drying Symposium (IDS 2016), Gifu, Japan: NEW METHOD FOR GLASS TRANSITION TEMPERATURE DETERMINATION OF POTATOES

2015

Vorträge auf Konferenzen

J. Thieme, F. Thienger, W. Hofacker and B. Jödicke (2015); published at 19th International Drying Symposium (IDS 2014), Lyon, France: CORRELATION BETWEEN VOLUME AND WATER CONTENT DURING DRYING OF AGRICULTURAL PRODUCTSS
Arendt, W. Hofacker and W. Speckle (2015); published at 19th International Drying Symposium (IDS 2014), Lyon, France: QUALITY ANALYSIS OF FRESH AND DRIED TOMATOES
A.-M. Nuñez Vega, S. Arendt, W. Hofacker and W. Speckle (2015); published at 3rdNorth and East Euorpean Congress on Food (NeeFood 2015), Brasov, Romania: CUMULATED THERMAL LOAD AS A CHARACTERISTIC VALUE FOR QUALITY CHANGES OF AIR DRIED FOOD
S. Arendt, W. Speckle and W. Hofacker (2015); published at 3rd North and East Euorpean Congress on Food (NeeFood 2015), Brasov, Romania: QUALITY ANALYSIS OF TOMATOES WHILE DRYING
A.-M. Nuñez Vega, S. Arendt, W. Speckle and W. Hofacker; published at 1st Nordic Baltic Drying Conference (NBDC 2015) Gdansk, Poland: INTRODUCING A NEW REFERENCE VALUE TO IMPROVE THE COMPARABILITY OF QUALITY CHARACTERISTICS OF AIR DRIED FOODSTUFFS

2014

Veröffentlichungen in Journals

B. Sturm, A.-M. Nuñez Vega and W. Hofacker (2014); published at Applied Thermal Engineering, 62(2), 455–460, DOI: 10.1016/j.applthermaleng.2013.09.056, January 2014: INFLUENCE OF PROCESS CONTROL STRATEGIES ON DRYING KINETICS, COLOUR AND SHRINKAGE OF AIR DRIED APPLES

Vorträge auf Konferenzen

W. Hofacker (2014); published at Energia alternativa: Presente y Futuro en la Giajiara, Guajiara University (Energia alternatia 2014), Riohacha, Colombia: THE USE OF RENEWABLE ENERGY IN TROPICAL AND SUBTROPICAL COUNTRIES
A.-M. Nuñez Vega, C. Rombach and W. Hofacker (2014); published at International Conference on Science and Technology of Drying 2014, National University of Colombia, Bogotá, Colombia:  APPLE DRYING WITH DIFFERENT AIR ROUTINGS: IMPACT ON THE DRYING BEHAVIOR OF APPLE SLICES
W. Hofacker (2014); published at InnoBand, Innovationstage 2014 der Bundesanstalt für Landwirtschaft und Ernährung, Bonn, Germany: ENTWICKLUNG EINES DIGITAL, NACH PRODUKTQUALITÄT UND –FEUCHTE GEREGELTEN TROCKNUNGSPROZESSES FÜR AGRARPRODUKTE
W. Hofacker (2014); published at 19th International Drying Symposium (IDS 2014), Lyon, France: INFLUENCE OF AIR ROUTING ON THE DRYING BEHAVIOR OF AIR DRIED APPLE

Poster auf Konferenzen

S. Arendt, W. Hofacker and W. Speckle (2014); published at 19th International Drying Symposium (IDS 2014), Lyon, France: QUALITY ANALYSIS OF FRSH AND DRIED TOMATOES
J. Thieme, F. Thienger, W. Hofacker and B. Jödicke (2014); published at 19th International Drying Symposium (IDS 2014), Lyon, France: CORRELATION BETWEEN VOLUME AND WATER CONTENT DURING DRYING OF AGRICULTURAL PRODUCTS

2012

Veröffentlichungen in Journals

B. Sturm, W. Hofacker and O. Hensel (2012); published at Drying Technology: An International Journal, 30:14, 1570-1582, November 2012: OPTIMIZING THE DRYING PARAMETERS FOR HOT-AIR–DRIED APPLES
B. Sturm, S. Hugenschmidt, S Joyce, W. Hofacker and A. P. Roskilly (2012); published at Applied Thermal Engineering, ProTem Special Issue (1st review), 2012:  OPPORTUNITIES AND BARRIERS FOR EFFICIENT ENERGY USE IN A MEDIUM SIZED BREWERY

Vorträge auf Konferenzen

B. Sturm, A.-M. Nuñez Vega, W. Hofacker and O. Hensel (2012); published at International Conference of Agricultural Engineering First Symposium CFD Applications in Agriculture - 'Agriculture & Engineering for a Healthier Life' (CIGR-AgEng2012), Valencia, Spain: INFLUENCE OF AIR VELOCITY ON DRYING KINETICS AND PRODUCT QUALITY IN DRYING OF APPLES
B. Sturm, M. Maier, S. Joyce and A. P. Roskilly (2012); published at 4th International Conference on Applied Energy (ICAE 2012), Suzhou, China: DEPENDENCY OF PRODUCTION PLANNING ON AVAILABILITY OF THERMAL ENERGY IN COMMERCIAL GREEN HOUSES
A.-M. Nuñez Vega, B. Sturm and W. Hofacker (2012); published at 18th International Drying Symposium (IDS 2012), Xiamen, China: SIMULATION OF THE CONVECTIVE DRYING PROCESS WITH AUTOMATIC CONTROL OF SURFACE TEMPERATURE
A.-M. Nuñez Vega and W. Hofacker (2012); published at 6th International Conference on Food and Tourism (BIOATLAS 2012), Barsov, Romania: DETERMINING THE TEMPERATURE AND MOISTURE DISTRIBUTION IN APPLE SLICES DURING THE DRYING PROCESS
B. Sturm, A.-M. Nuñez Vega, W. Hofacker and O. Hensel (2012); published at International Conference of Agricultural Engineering First Symposium CFD Applications in Agriculture - 'Agriculture & Engineering for a Healthier Life' (CIGR-AgEng2012), Valencia, Spain: INFLUENCE OF AIR VELOCITY ON DRYING KINETICS AND PRODUCT QUALITY IN DRYING OF APPLES
A.-M. Nuñez Vega, B. Sturm and W. Hofacker (2012); published at 18th International Drying Symposium (IDS 2012), Xiamen, China: SIMULATION OF THE CONVECTIVE DRYING PROCESS WITH AUTOMATIC CONTROL OF SURFACE TEMPERATURE
B. Sturm, W. Hofacker and A.P. Roskilly (2012); published at 18th International Drying Symposium (IDS 2012), Xiamen, China: INFLUENCE OF PROCESS CONTROL ON DRYING KINETICS AND PRODUCT ATTRIBUTES OF DRIED APPLES
W. Hofacker (2012); published at Seminario Internacional de Secado de Productos Agrícolas (SPA 2012), Bogotá, Kolumbien: NUMERICAL SIMULATION OF DRYING PROCESSES (CALCULATION AND DESCRIPTION OF HEAT AND MASS TRANSFER DURING DRYING)

Bücher

A.-M. Nuñez Vega, S. Hugenschmidt and W. Hofacker (2012); published by DAAAM International, ISBN 978-3-901509-86-5, ISSN 1726-9687, Vienna, Austria DOI: 10.2507/daaam.scibook.2012.29 Chapter 29 in DAAAM International Scientific Book 2012, pp. 339-356, B. Katalinic (Ed.): NUMERICAL SIMULATION OF THE CONVECTIVE DRYING OF APPLE SLICES

2011

Veröffentlichungen in Journals

B. Sturm, S. Hugenschmidt, S. Joyce, W. Hofacker and A.P. Roskilly (2012); published at Applied Thermal Engineering, ProTem Special Issue (1st review), 2012: OPPORTUNITIES AND BARRIERS FOR EFFICIENT ENERGY USE IN A MEDIUM SIZED BREWERY
D.W. Wu, B. Sturm, S. Hugenschmidt and A.P. Roskilly (2012); published at Applied Thermal Engineering, ProTem Special Issue (1st review), 2012: PROCESS OPTIMISATION OF BREWERY PLANT WITH BIOGAS FIRED CHP/TRIGENERATION
B. Sturm, W. Hofacker and O. Hensel (2012); published at Journal of Food Engineering (in preparation), 2012: INFLUENCE OF AIR VELOCITY ON DRYING KINETICS AND PRODUCT QUALITY IN DRYING OF SENSITIVE PRODUCTS
B. Sturm, W. Hofacker and O. Hensel (2012); published at Drying Technology (2ndreview), 2012: OPTIMIZING THE DRYING PARAMETERS FOR HOT AIR DRIED APPLES
S. Hugenschmidt and W. Hofacker (2011);published at the 22nd DAAAM World Symposium, Austria Center Vienna, Vienna, Austria, November 2011: NUMERICAL SIMULATION OF THE CONVECTIVE DRYING OF APPLE SLICES
S. Hugenschmidt and W. Hofacker (2011): published at the Nordic Drying Conference, Helsinki, Finland, June 2011: AN APPROACH TO DETERMINE THE TEMPERATURE AND MOISTURE DISTRIBUTION IN APPLE SLICES DURING THE DRYING PROCESS

Vorträge auf Konferenzen

B. Sturm, S. Hugenschmidt, S. Joyce, W. Hofacker and A. P. Roskilly (2012); published at Sustainable Thermal Energy Management International Conference (SusTEM2011), Newcastle upon Tyne, England: OPPORTUNITIES AND BARRIERS FOR EFFICIENT ENERGY USE IN A MEDIUM SIZED BREWERY
D. W. Wu, B. Sturm, S. Hugenschmidt and A. P. Roskilly (2011); published at Sustainable Thermal Energy Management International Conference (SusTEM2011), Newcastle upon Tyne, England: PROCESS OPTIMISATION OF BREWERY PLANT WITH BIOGAS FIRED CHP/TRIGENERATION