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Articles

MODELLING OF TRANSPORT PHENOMENA NEAR GREENHOUSE SCREENS

Article number

456_44

Pages

371 – 374

Language

Abstract

Experiments were conducted with the aim to examine the airflow characteristics (permeability and porosity) of some currently employed greenhouse screens, and to obtain equation coefficients for estimation of free convection heat transfer between heating pipes and the air, and horizontal screen and the air.

Experiments demonstrated that thermal and shading screens have permeabilities of approximately 10^-11m² and their porosities are less than 10%. Free convective heat transfer coefficient ( alpha ) for the upper and lower screen surface is given, respectively by alpha =3.24 ΔT^0.30 and alpha =2.16 Δ^0.31.

Publication

II Modelling Plant Growth, Environmental Control and Farm Management in Protected Cultivation

Authors

A.F. Miguel, A.M. Silva, N.J. van de Braak, G.P.A. Bot

Keywords

screens, greenhouse, airflow, free convective heat transfer

Full text

https://doi.org/10.17660/ActaHortic.1998.456.44

Online Articles (65)

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3. SIMULATION OF CO₂ CONCENTRATION IN THE CULTURE VESSEL AND GROWTH OF PLANTLETS IN MICROPROPAGATION

G. Niu | T. Kozai

4. COORDINATED MANAGEMENT OF DAILY PAR INTEGRAL AND CARBON DIOXIDE FOR HYDROPONIC LETTUCE PRODUCTION

A.J. Both | L.D. Albright | R.W. Langhans

5. POTENTIAL FRUIT GROWTH OF TOMATO AFTER LIMITING ASSIMILATE SUPPLY

Ad N.M. de Koning

6. RELATIONSHIP BETWEEN WATER CONTENT OF CYMBIDIUM PROTOCORM LIKE BODY AND GROWTH

Y. Ibaraki | K. Kurata

7. SIMULATION OF PHOTOSYNTHETIC RATE OF C₃ AND C₄ PLANTS UNDER LOW TOTAL PRESSURE

K. Iwabuchi | Y. Ibaraki | K. Kurata | T. Takakura

8. A STUDY OF CUMULATIVE TOMATO YIELD FOR FRESH MARKET: CHARACTERIZATION AND CLASSIFICATION OF DIFFERENT CULTIVARS

V. Miccolis | M. Monteleone | V. Candido

9. THE INFLUENCE OF TRANSPLANTS QUALITY ON THE YIELD OF TOMATO GROWN IN PLASTIC HOUSE

R. Pavlovic | S. Petrovic | D. Stevanovic

10. MODELING THE EFFECTS OF AIR TEMPERATURE PERTURBATIONS FOR CONTROL OF TOMATO PLANT DEVELOPMENT

Brian J. Sauser | D. G. A. Giacomelli | D. H. W. Janes

11. A SINGLE STATE VARIABLE MODEL TO MIMIC TOMGRO FOR CONTROL APPLICATIONS

I. Seginer | I. Ioslovich

12. ADVANCES AND BOTTLENECKS IN MODELLING CROP GROWTH: SUMMARY OF A GROUP DISCUSSION

C. Gary | E. Heuvelink

13. MODELLING PLANT GROWTH AND ARCHITECTURE: SOME RECENT ADVANCES AND APPLICATIONS TO AGRONOMY AND FORESTRY

Ph. de Reffye | F. Blaise | F. Houllier

14. PREDICTING VARIABILITY IN ANTHESIS OF EASTER LILY (LILIUM LONGIFLORUM THUNB.) POPULATIONS IN RESPONSE TO TEMPERATURE

P.R. Fisher | R.D. Heins | J.H. Lieth

15. PREDICTING BRANCHING IN YOUNG APPLE TREES (MALUS DOMESTICA BORKH.)

M. Lindhagen

16. MODELING POINSETTIA VEGETATIVE GROWTH AND DEVELOPMENT: THE RESPONSE TO THE RATIO OF RADIANT TO THERMAL ENERGY

B. Liu | Royal D. Heins

17. ADAPTING A PREDICTION MODEL FOR FLOWER DEVELOPMENT IN CHRYSANTHEMUM TO NEW CULTIVARS

L. Persson | Rolf U. Larsen

18. PREDICTING TIME TO FLOWERING WITH A FIRST PASSAGE TIME MODEL

L. Snipen | R. Moe | J. Søreng

19. MODELING THE EFFECT OF TEMPERATURE ON FLOWERING OF HIBISCUS MOSCHEUTOS

S. Wang | Royal D. Heins | W. H. Carlson | Arthur C. Cameron

20. ADVANCES AND BOTTLENECKS IN MODELLING MORPHOLOGY AND DEVELOPMENT: SUMMARY OF A GROUP DISCUSSION

J. Heinrich Lieth | Ad N.M. de Koning

21. QUALITY MODELS IN HORTICULTURE NEED PRODUCT QUALITY: A RARE BUT CHALLENGING FIELD OF EXPLORATION

U. van Meeteren

22. NITRATE CONCENTRATION IN GREENHOUSE LETTUCE: A MODELING STUDY

I. Seginer | G. Straten | F. Buwalda

23. INSTRUMENTAL MEASUREMENT AND MODELLING OF TOMATO FRUIT TASTE

W. Verkerke | J. Janse | M. Kersten

24. CHANGE IN QUALITY PARAMETERS OF THE TOMATO FRUIT FROM GLASSHOUSE PRODUCTION

P. M. Gilinger | A. Forray | Sz. Szlávik | J. Felföldi | Z.A. Szôriné

25. RESPONSE SURFACE MODELS OF THE EFFECT OF NUTRIENTS AND SPACING ON THE KEEPING QUALITY OF POTTED ROSES

B. Nielsen | K. Starkey

26. ADVANCES AND BOTTLENECKS IN MODELLING QUALITY: SUMMARY OF A GROUP DISCUSSION

R. Larsen | F. Buwalda

27. MODELLING WATER AND NUTRIENT UPTAKE OF CROPS GROWN IN PROTECTED CULTIVATION

P. Willigen | M. Heinen

28. MODELLING NITRATE UPTAKE BY GREENHOUSE TOMATO CROPS AT THE SHORT AND LONG TIME SCALES

J. Le Bot | S. Adamowicz | P. Robin | J.L. Andriolo | C. Gary

29. MODELLING DIURNAL NITRATE UPTAKE IN YOUNG TOMATO (LYCOPERSICON ESCULENTUM MILL.) PLANTS USING A HOMOEOSTATIC MODEL

R. Cárdenas Navarro | S. Adamowicz | P. Robin

30. CHARACTERIZING EVAPOTRANSPIRATION IN A GREENHOUSE LETTUCE CROP

D.E. Ciolkosz | L.D. Albright | A.J. Both

31. RESPONSE OF MUSKMELON PLANTS (CUCUMIS MELO, L.) TO IRRIGATION WITH SALINE WATER

F.M. del Amor | M. Carvajal | V. Martinez | A. Cerdá

32. THE INFLUENCE OF CULTIVAR AND FERTILIZATION ON YIELD AND NO₃-N ACCUMULATION IN SPINACH LEAF

R. Pavlovic | S. Petrovíc | D. Stevanovíc

33. ELECTROCHEMICAL PH CONTROL IN HYDROPONIC SYSTEMS

V.C. Spinu | R.W. Langhans | L.D. Albright

34. ELECTROTECHNOLOGY FOR WATER CONDITIONING: A SIMULATION MODEL

V.C. Spinu | L.D. Albright

35. ADVANCES AND BOTTLENECKS IN MODELLING PLANT WATER AND NUTRIENT RELATIONSHIPS: SUMMARY OF A GROUP DISCUSSION

M. Fuchs | L.F.M. Marcelis

36. THE VALUE OF CROP AND GREENHOUSE MODELS IN GREENHOUSE ENVIRONMENTAL CONTROL

W. Day

37. FORMULATION AND SENSITIVITY ANALYSIS OF A DYNAMIC MODEL OF THE GREENHOUSE CLIMATE VALIDATION FOR A MILD MEDITERRANEAN CLIMATE

38. SIMULATING THE EFFECT OF CONDENSATION TYPE ON GREENHOUSE SHORTWAVE RADIATION TRANSMISSION AND UTILIZATION

J.G. Pieters | S.M.R. De Clercq | I.V. Pollet

39. SERRISTE: CLIMATE SET-POINT DETERMINATION FOR GREENHOUSE TOMATOES

M. Tchamitchian | B. Henry-Montbroussous | B. Jeannequin | J. Lagier

40. A SIMILITUDE MODEL FOR TESTING GREENHOUSE EVAPORATIVE COOLING PADS UNDER THE HOT-ARID CONDITIONS OF THE U.A.E.

A. Al-Massoum | I. Haffar | H. Mahmoud Ahmed

41. ESTABLISHMENT AND VALIDATION OF A MODEL TO ESTIMATE ENERGY CONSUMPTION OF LOCALIZED HEATING OF GREENHOUSE SUBSTRATES

42. EFFECT OF CO₂ SUPPLY STRATEGY ON SPECIFIC ENERGY CONSUMPTION

H.F. de Zwart

43. ENERGY MODELLING FOR HEATED CONCRETE FLOORS IN GREENHOUSES

44. CONTROL AND MODELLING OF VERTICAL TEMPERATURE DISTRIBUTION IN GREENHOUSE CROPS

F.L.K. Kempkes | J.C. Bakker | N.J. van de Braak

45. MODELLING OF TRANSPORT PHENOMENA NEAR GREENHOUSE SCREENS

A.F. Miguel | A.M. Silva | N.J. van de Braak | G.P.A. Bot

46. MEDITERRANEAN GREENHOUSE ENERGY BALANCE

G. P.A. Pita | M. Pontes | A. Vargues

47. LIGHT TRANSMISSION OF ZIGZAG-SHAPED MULTISPAN GREENHOUSES

J.A. Stoffers

48. APPLICATION OF SIMULATION MODELS TO OPTIMIZE THE CONTROL OF THERMAL SCREENS

N.J. van de Braak | F.L.K. Kempkes | J.C. Bakker | J.J.G. Breuer

49. DYNAMIC MEASUREMENT AND MODELLING OF CLIMATE GRADIENTS AROUND A PLANT FOR MICRO-ENVIRONMENT CONTROL

M. Van Pee | K. Janssens | D. Berckmans | R. Lemeur

50. ADVANCES AND BOTTLENECKS IN MODELLING THE GREENHOUSE CLIMATE: SUMMARY OF A GROUP DISCUSSION

I. Seginer | J.C. Bakker

51. MODEL INTEGRATION AND SIMULATION TOOLS

J.W. Jones

52. PEST AND DISEASE MODELLING AND ITS ROLE IN INTEGRATED FARM MANAGEMENT

J.L. Shipp | H.J.W. van Roermund

53. THE IMPLEMENTATION OF SOFTWARE ENGINEERING CONCEPTS IN THE GREENHOUSE CROP MODEL HORTISIM¹

S. Cohen | H. Gijzen

54. HORTISIM: A MODEL FOR GREENHOUSE CROPS AND GREENHOUSE CLIMATE

55. SIMULSERRE: AN EDUCATIONAL SOFTWARE SIMULATING THE GREENHOUSE-CROP SYSTEM

56. REDUCING ENVIRONMENTAL IMPACT OF ENERGY USE IN TOMATO CULTIVATION IN THE NETHERLANDS: RESEARCH BY SYSTEMS ANALYSIS

J.C. Pluimers

57. INFORMATION SYSTEMS FOR MANAGEMENT IN PROTECTED CULTIVATION

S. B. Harsh

58. MUSHROOM TUNNEL CLIMATE: NEURAL NETWORKS COMPARED

D.P. Martin | J.V. Ringwood | J. Grant

59. MODELING AND SIMULATING DECISION MAKING FOR GREENHOUSE TOMATO PRODUCTION: THE CONSERTO PROJECT

60. A DECISION MODEL FOR HYDROPONIC GREENHOUSE TOMATO PRODUCTION

T.H. Short | A. El-Attal | H.M. Keener | R.P. Fynn

61. OPPORTUNITIES AND BOTTLENECKS FOR MODEL APPLICATIONS IN PRACTICE

J.A.M. van den Bosch

62. APPLICATION OF MULTIPLE CRITERIA DECISION MAKING FOR THE DESIGN AND ANALYSIS OF GREENHOUSE CROPPING SYSTEMS

E. Bakker | P. A.C.M. van de Sanden

63. SIMULATION MODEL FOR DETERMINING THE EFFECTS OF FARM SPECIFIC ASPECTS ON ENERGY CONSUMPTION IN GLASSHOUSES

M.N.A. Ruijs | P.C.M. Vermeulen

64. MANAGEMENT SUPPORT FOR ENERGY-EFFICIENT CLIMATE CONTROL: A MANAGEMENT TOOL

R. Uffelen | R. Bakker

65. ADVANCES AND BOTTLENECKS IN MODELS FOR FARM MANAGEMENT AND DECISION SUPPORT SYSTEMS: SUMMARY OF A GROUP DISCUSSION

J.W. Jones | M. Ruijs