{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,11]],"date-time":"2026-06-11T02:25:11Z","timestamp":1781144711807,"version":"3.54.1"},"reference-count":50,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2012,5,4]],"date-time":"2012-05-04T00:00:00Z","timestamp":1336089600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>The rearing of poultry for meat production (broilers) is an agricultural food industry with high relevance to the economy and development of some countries. Periodic episodes of extreme climatic conditions during the summer season can cause high mortality among birds, resulting in economic losses. In this context, ventilation systems within poultry houses play a critical role to ensure appropriate indoor climatic conditions. The objective of this study was to develop a multisensor system to evaluate the design of the ventilation system in broiler houses. A measurement system equipped with three types of sensors: air velocity, temperature and differential pressure was designed and built. The system consisted in a laptop, a data acquisition card, a multiplexor module and a set of 24 air temperature, 24 air velocity and two differential pressure sensors. The system was able to acquire up to a maximum of 128 signals simultaneously at 5 second intervals. The multisensor system was calibrated under laboratory conditions and it was then tested in field tests. Field tests were conducted in a commercial broiler farm under four different pressure and ventilation scenarios in two sections within the building. The calibration curves obtained under laboratory conditions showed similar regression coefficients among temperature, air velocity and pressure sensors and a high goodness fit (R2 = 0.99) with the reference. Under field test conditions, the multisensor system showed a high number of input signals from different locations with minimum internal delay in acquiring signals. The variation among air velocity sensors was not significant. The developed multisensor system was able to integrate calibrated sensors of temperature, air velocity and differential pressure and operated succesfully under different conditions in a mechanically-ventilated broiler farm. This system can be used to obtain quasi-instantaneous fields of the air velocity and temperature, as well as differential pressure maps to assess the design and functioning of ventilation system and as a verification and validation (V&amp;V) system of Computational Fluid Dynamics (CFD) simulations in poultry farms.<\/jats:p>","DOI":"10.3390\/s120505752","type":"journal-article","created":{"date-parts":[[2012,5,4]],"date-time":"2012-05-04T16:09:10Z","timestamp":1336147750000},"page":"5752-5774","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":23,"title":["Multisensor System for Isotemporal Measurements to Assess Indoor Climatic Conditions in Poultry Farms"],"prefix":"10.3390","volume":"12","author":[{"given":"Eliseo","family":"Bustamante","sequence":"first","affiliation":[{"name":"Institute of Animal Science and Technology, Universitat Polit\u00e8cnica de Val\u00e8ncia, Camino de Vera s\/n 46022 Valencia, Spain"},{"name":"Department of Construction Engineering and Civil Engineering Projects, Universitat Polit\u00e8cnica de Val\u00e8ncia, Camino de Vera s\/n 46022 Valencia, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Enrique","family":"Guijarro","sequence":"additional","affiliation":[{"name":"Department of Electronic Engineering, Universitat Polit\u00e8cnica de Val\u00e8ncia, Camino de Vera s\/n 46022, Valencia, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fernando-Juan","family":"Garc\u00eda-Diego","sequence":"additional","affiliation":[{"name":"Department of Applied Physics, Universitat Polit\u00e8cnica de Val\u00e8ncia, Camino de Vera s\/n 46022 Valencia, Spain"},{"name":"Center of Physical Technologies, Asociated Unity ICMM-CSIC\/UPV, Universitat Polit\u00e8cnica de Val\u00e8ncia, Av. de los Naranjos s\/n. 46022 Valencia, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sebasti\u00e1n","family":"Balasch","sequence":"additional","affiliation":[{"name":"Department of Statistical, Operation Research and Quality, Universitat Polit\u00e8cnica de Val\u00e8ncia, Camino de Vera s\/n 46022 Valencia, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Antonio","family":"Hospitaler","sequence":"additional","affiliation":[{"name":"Department of Construction Engineering and Civil Engineering Projects, Universitat Polit\u00e8cnica de Val\u00e8ncia, Camino de Vera s\/n 46022 Valencia, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Antonio G.","family":"Torres","sequence":"additional","affiliation":[{"name":"Institute of Animal Science and Technology, Universitat Polit\u00e8cnica de Val\u00e8ncia, Camino de Vera s\/n 46022 Valencia, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2012,5,4]]},"reference":[{"key":"ref_1","unstructured":"Slingenbergh, J., and Gilbert, M. (2007, January 5\u20137). Do Old and New Forms of Poultry Go Together?. Bangkok, Tailand. Available online: http:\/\/www.fao.org\/ag\/againfo\/home\/events\/bangkok2007\/docs\/part2\/2_3.pdf (accessed on 15 December 2011)."},{"key":"ref_2","unstructured":"FAO Faostat-Agriculture. Available online: http:\/\/faostat.fao.org\/site\/569\/default.aspx#ancor (accessed on 15 January 2012)."},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"1500","DOI":"10.1093\/ps\/82.10.1500","article-title":"Growth, livability and feed conversion of 1957 versus 2001 broilers when fed representative 1957 and 2001 broiler diets","volume":"82","author":"Havenstein","year":"2003","journal-title":"Poultry Sci"},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"229","DOI":"10.1016\/j.biosystemseng.2007.02.009","article-title":"Analysis of airflow through experimental rural buildings: Sensitivity to turbulence models","volume":"97","author":"Bartzanas","year":"2007","journal-title":"Biosyst. Eng"},{"key":"ref_5","unstructured":"Lee, I.B., You, B. K., Choi, K.H., Jeun, J.G., and Kim, G.W. (2003, January 28\u201331). Study of Internal Climate of Naturally and Mechanically Ventilated Broiler Houses. Las Vegas, NV, USA. Paper No. 034060."},{"key":"ref_6","doi-asserted-by":"crossref","first-page":"391","DOI":"10.1093\/ps\/77.3.391","article-title":"Air velocity and high temperature effects on broiler performance","volume":"77","author":"Loot","year":"1998","journal-title":"Poultry Sci"},{"key":"ref_7","unstructured":"MWPS (1990). Mechanical Ventilating Systems for Livestock Housing, Midwest Plan Service, Iowa State University. [1st ed.]."},{"key":"ref_8","unstructured":"ASAE EP270.5 (1986). ASABE Standards 2009, American Society of Agricultural and Biological Engineers (ASABE)."},{"key":"ref_9","unstructured":"Pedersen, S. (1999). CIGR Handbook of Agricultural Engineering: Animal Production & Aquacultural Engineering, American Society of Agricultural Engineers (ASAE)."},{"key":"ref_10","doi-asserted-by":"crossref","unstructured":"Charles, D., and Walker, A. (2002). Poultry Environment Problems. A Guide to Solutions, Nottingham University Press. [1st ed.].","DOI":"10.1093\/ps\/81.8.1257"},{"key":"ref_11","doi-asserted-by":"crossref","first-page":"137","DOI":"10.1016\/0021-8634(88)90136-9","article-title":"Air mixing fans in a broiler building-their use and efficiency","volume":"39","author":"Boon","year":"1988","journal-title":"J. Agric. Eng. Res"},{"key":"ref_12","first-page":"491","article-title":"Acute synergistic effects of air temperature, humidity and velocity on homeostasis of market-size broilers","volume":"46","author":"Tao","year":"2003","journal-title":"Trans. ASAE"},{"key":"ref_13","doi-asserted-by":"crossref","first-page":"342","DOI":"10.1038\/nature02226","article-title":"Chicken welfare is influenced more by housing conditions than stocking density","volume":"427","author":"Dawkins","year":"2004","journal-title":"Nature"},{"key":"ref_14","unstructured":"Anonymous Medio mill\u00f3n de pollos mueren fuerte calor \u00faltimos d\u00edas. Available online: http:\/\/www.elpais.com\/articulo\/Comunidad\/Valenciana\/Medio\/millon\/pollos\/mueren\/fuerte\/calor\/ultimos\/dias\/elpepiespval\/20030617elpval_4\/Tes (accessed on 15 December 2011)."},{"key":"ref_15","doi-asserted-by":"crossref","first-page":"2386","DOI":"10.1016\/j.biortech.2006.11.025","article-title":"Applications of computational fluid dynamics (CFD) in the modelling and design of ventilation systems in the agricultural industry: A review","volume":"98","author":"Norton","year":"2007","journal-title":"Bioresour. Technol"},{"key":"ref_16","doi-asserted-by":"crossref","first-page":"1373","DOI":"10.13031\/2013.23626","article-title":"Analysis of poultry house ventilation using computational fluid dynamics","volume":"50","author":"Pawar","year":"2007","journal-title":"Trans. ASABE"},{"key":"ref_17","doi-asserted-by":"crossref","first-page":"105","DOI":"10.1016\/j.biosystemseng.2008.02.004","article-title":"Application of Computational Fluid Dynamics to the prediction of airflow in a mechanically ventilated commercial poultry building","volume":"100","author":"Guijarro","year":"2008","journal-title":"Biosyst. Eng"},{"key":"ref_18","first-page":"81","article-title":"Computational fluid dynamics as a tool for the analysis of ventilation and indoor microclimate in agriculture buildings","volume":"45","author":"Mistriotis","year":"1997","journal-title":"Neth. J. Agric. Sci"},{"key":"ref_19","doi-asserted-by":"crossref","first-page":"5","DOI":"10.1016\/S0168-1699(01)00177-6","article-title":"Applications of computational fluid dynamics (CFD) in the food industry: A review","volume":"34","author":"Xia","year":"2002","journal-title":"Comput. Electron. Agric"},{"key":"ref_20","doi-asserted-by":"crossref","first-page":"229","DOI":"10.1016\/j.biosystemseng.2007.02.009","article-title":"Analysis of airflow through experimental rural buildings: Sensitivity to turbulence models","volume":"97","author":"Bartzanas","year":"2007","journal-title":"Biosyst. Eng"},{"key":"ref_21","doi-asserted-by":"crossref","first-page":"367","DOI":"10.13031\/2013.13665","article-title":"Field evaluation of temperature and velocity uniformity in tunnel and conventional ventilation broiler houses","volume":"19","author":"Wheeler","year":"2003","journal-title":"Appl. Eng. Agric"},{"key":"ref_22","doi-asserted-by":"crossref","first-page":"323","DOI":"10.1111\/j.1600-0668.1991.09-13.x","article-title":"Sensor for continuous measurement of the ventilation rate in livestock building","volume":"1","author":"Berckmans","year":"1991","journal-title":"Indoor Air"},{"key":"ref_23","doi-asserted-by":"crossref","first-page":"649","DOI":"10.13031\/2013.19425","article-title":"A portable anemometer to determine the output of large in-place ventilation fans","volume":"14","author":"Simmons","year":"1998","journal-title":"Appl. Eng. Agric"},{"key":"ref_24","doi-asserted-by":"crossref","first-page":"677","DOI":"10.13031\/2013.6918","article-title":"An instrumentation system for environmental measurements in broiler and swine housing","volume":"17","author":"Wilhelm","year":"2001","journal-title":"Appl. Eng. Agric"},{"key":"ref_25","first-page":"499","article-title":"Measurement of air velocity in animal occupied zones using an ultrasonic anemometer","volume":"19","year":"2003","journal-title":"Appl. Eng. Agric"},{"key":"ref_26","first-page":"6747","article-title":"Optimization of single-sensor two-state hot-wire anemometer transmission bandwidth","volume":"10","year":"2008","journal-title":"Sensors"},{"key":"ref_27","doi-asserted-by":"crossref","first-page":"570","DOI":"10.5424\/sjar\/2010083-1252","article-title":"Development and field test of an on-line computerized instrumentation system for air velocity, temperature and differential pressure measurements in poultry houses","volume":"8","author":"Guijarro","year":"2010","journal-title":"Span. J. Agric. Res"},{"key":"ref_28","first-page":"1559","article-title":"Predicting near-floor air velocities for a slot-inlet ventilated building by jet velocity decay principles","volume":"45","author":"Zhang","year":"2002","journal-title":"Trans. ASAE"},{"key":"ref_29","unstructured":"National Instruments LabView. Available online: http:\/\/www.ni.com\/labview (accessed on 15 December 2011)."},{"key":"ref_30","unstructured":"TFD. Omega Engineering, Inc. Available online: http:\/\/www.omega.com\/Temperature\/pdf\/TFD_RTD.pdf (accessed on 15 December 2011)."},{"key":"ref_31","unstructured":"Kutman, M.H., Nachtsheim, J., Nefer, J., and Li, W. (2005). Applied Linear Statistical Models, McGraw Hill."},{"key":"ref_32","unstructured":"SAS (1998). SAS User's Guide: Statistics, SAS Inst. Inc.. version 6.12."},{"key":"ref_33","doi-asserted-by":"crossref","first-page":"139","DOI":"10.1016\/S0924-4247(00)00370-8","article-title":"Wide range semiconductor flow sensors","volume":"85","author":"Glaninger","year":"2000","journal-title":"Sens. Actuators A"},{"key":"ref_34","unstructured":"Ibrahim, D. (2002). Microcontroller Based Temperature and Control, Newnes."},{"key":"ref_35","doi-asserted-by":"crossref","first-page":"153","DOI":"10.1017\/S002211206700196X","article-title":"Turbulence measurements with inclined hot-wires","volume":"28","author":"Champagne","year":"1967","journal-title":"J. Fluid Mech"},{"key":"ref_36","doi-asserted-by":"crossref","first-page":"465","DOI":"10.1017\/S0022112072001545","article-title":"Dynamic calibration of inclined and crossed hot wires","volume":"52","author":"Morrison","year":"1972","journal-title":"J. Fluid Mech"},{"key":"ref_37","doi-asserted-by":"crossref","first-page":"385","DOI":"10.1016\/S0955-5986(01)00033-4","article-title":"Evaluation of a prototype thermal anemometer for use in low airspeed drying measure calculations","volume":"12","author":"Martin","year":"2002","journal-title":"Flow Meas. Instrum"},{"key":"ref_38","doi-asserted-by":"crossref","first-page":"193","DOI":"10.1016\/S0263-2241(99)00003-2","article-title":"An analytical procedure for predicting the response of constant temperature hot-wire and film anemometers","volume":"25","author":"Sherif","year":"1999","journal-title":"Measurement"},{"key":"ref_39","unstructured":"Testo Inc. Available online: http:\/\/www.testo.com (accessed on 15 December 2011)."},{"key":"ref_40","unstructured":"Zhang, G., Str\u00f8m, J.S., and Morsing, M. (1996, January 17\u201319). A Computerized Multi-point Temperature and Velocity Measurement System. Yokohama, Japan."},{"key":"ref_41","unstructured":"Matlab Central Available online: http:\/\/www.mathworks.es\/matlabcentral\/index.html (accessed on 15 December 2011)."},{"key":"ref_42","unstructured":"Sensortechnics Inc. Available on line: http:\/\/www.sensortechnics.com (accessed on 15 December 2011)."},{"key":"ref_43","doi-asserted-by":"crossref","first-page":"423","DOI":"10.1016\/j.biosystemseng.2010.05.006","article-title":"Ventilation rates in mechanically ventilated commercial poultry buildings in Southern Europe: Measurement system development and uncertainty analysis","volume":"106","author":"Calvet","year":"2010","journal-title":"Biosyst. Eng"},{"key":"ref_44","doi-asserted-by":"crossref","first-page":"10752","DOI":"10.3390\/s101210752","article-title":"Study of the ubiquitous hog farm system using wireless sensors networks for environmental monitoring and facilities control","volume":"10","author":"Hwang","year":"2010","journal-title":"Sensors"},{"key":"ref_45","doi-asserted-by":"crossref","first-page":"4728","DOI":"10.3390\/s90604728","article-title":"A review of wireless sensor technologies and applications in agriculture and food industry: State of the art and current trends","volume":"9","author":"Lunadei","year":"2009","journal-title":"Sensors"},{"key":"ref_46","doi-asserted-by":"crossref","first-page":"8685","DOI":"10.3390\/s110908685","article-title":"Long-term monitoring of fresco paintings in the cathedral of Valencia (Spain) through humidity and temperature sensors in various locations for preventive conservation","volume":"11","author":"Zarzo","year":"2011","journal-title":"Sensors"},{"key":"ref_47","unstructured":"Martinez, M., Mar\u00edn, C., Torres, A., and L\u00e1inez, M. (2008). Characterization of chicken farm of the Valencian Community (In Spanish), Fundaci\u00f3n Agroalimed, Conselleria d\u2032Agricultura, Pesca i Alimentaci\u00f3. Generalitat Valenciana."},{"key":"ref_48","doi-asserted-by":"crossref","unstructured":"Benedict, R.P. (1984). Fundamentals of Temperature, Pressure, and Flow Measurements, John Wiley & Sons, Inc.","DOI":"10.1002\/9780470172698"},{"key":"ref_49","doi-asserted-by":"crossref","first-page":"209","DOI":"10.1006\/jaer.1996.0062","article-title":"Air patterns and turbulence in an experimental livestock building","volume":"64","author":"Heber","year":"1996","journal-title":"J. Agric. Eng. Res"},{"key":"ref_50","doi-asserted-by":"crossref","first-page":"209","DOI":"10.1016\/S0376-0421(02)00005-2","article-title":"Verification and validation in computational fluid dynamics","volume":"38","author":"Oberkampf","year":"2002","journal-title":"Prog. Aerosp. Sci"}],"container-title":["Sensors"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.mdpi.com\/1424-8220\/12\/5\/5752\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T21:50:05Z","timestamp":1760219405000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.mdpi.com\/1424-8220\/12\/5\/5752"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2012,5,4]]},"references-count":50,"journal-issue":{"issue":"5","published-online":{"date-parts":[[2012,5]]}},"alternative-id":["s120505752"],"URL":"https:\/\/doi.org\/10.3390\/s120505752","relation":{},"ISSN":["1424-8220"],"issn-type":[{"value":"1424-8220","type":"electronic"}],"subject":[],"published":{"date-parts":[[2012,5,4]]}}}