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Articles

THERMAL PROBLEM SOLVING BY HANDCALCULATIONS, AN APPLICATION OF NETWORK THEORY

Article number

115_42

Pages

365 – 378

Language

Abstract

A handcalculation method is described which provides a tool for quick analyses of the greenhouse climate.
The method is valid for steady state conditions and gives a good insight in the relevance of climate determining factors.

Publication

Symposium on More Profitable Use of Energy in Protected Cultivation

Authors

N.J. van de Braak

Keywords

Full text

https://doi.org/10.17660/ActaHortic.1981.115.42

Online Articles (84)

2. DEVELOPMENTS IN ENERGY USE IN PROTECTED CULTIVATION IN IRELAND

T. O'Flaherty | M.J. Maher

3. PHYSIOLOGICAL AND CLIMATOLOGICAL ASPECTS OF THE OPTIMISATION OF ENERGY USE IN PROTECTED CULTIVATION

P. Gaastra

4. USE OF AVERAGE NIGHT TEMPERATURES FOR PLANT GROWTH FOR POTENTIAL ENERGY SAVINGS

R.W. Langhans | M. Wolfe | L.D. Albright

5. INFLUENCE DE LA TEMPERATURE NOCTURNE SUR LES ECHANGES GAZEUX DE LA TOMATE

J.J. Longuenesse

6. EFFECTS OF THE SEASON AND TEMPERATURE ON THE GROWTH AND DEVELOPMENT OF YOUNG TOMATO PLANTS

D. Klapwijk

7. DEPENDANCE OF WATER REQUIREMENTS OF LYCOPERSICUM ESCULENTUM PLANTED IN ROCKWOOL ON INCOMING SOLAR RADIATION

P.C.J. Maree

8. RESPONSE OF DIFFERENT ORNAMENTALS TO A REDUCED HEATING AS RELATED TO LOCAL CLIMATES

E. Berninger

9. THE INFLUENCE OF TEMPERATURE ON WINTER PRODUCTION OF ‘SONIA’ AND ‘ILONA’ ROSES IN DUTCH GLASSHOUSES

G.A. van den Berg

10. PHOTOMETRIC PROPERTIES OF DOUBLE WALL PLASTICS USED AS COVERING FOR GREENHOUSES

A. NISEN | S. COUTSSE

11. ENVIRONMENTAL CONDITIONS IN DIFFERENT TYPES OF GREENHOUSES

Marius G. Amsen

12. PLANT PRODUCTION IN A GREENHOUSE COVERED WITH DOUBLE-ACRYL

H. Bjerre

13. AUSTRALIAN DEVELOPMENT OF A LOW ENERGY GREENHOUSE BASED ON THERMAL STORAGE ROCKPILES

J. Blackwell | K.V. Garzoli

14. THERMAL ANALYSIS OF AUSTRALIAN GREENHOUSES

K.V. Garzoli | J. Blackwell

15. THE POTENTIAL OF AN ACTIVE SOLAR SYSTEM FOR HEATING OF COMMERCIAL GREENHOUSES IN ONTARIO

F.J. Ingratta | Th.J. Blom

16. ENERGY USE IN GREENHOUSES – HOW LOW CAN WE GO?

W.J. Roberts | D.R. Mears

17. ENERGYFLUXES IN GREENHOUSES

J.A. Stoffers | A.K.J. van den Kieboom

18. HEAT EXCHANGER FOR LOW TEMPERATURE HEATING OF GLASSHOUSES

B. von Elsner

19. FLEXIBLE PLASTIC HEAT EXCHANGER FOR LOW TEMPERATURE HEATING

K. Schockert

20. DESIGN OF BOILER INSTALLATIONS FOR INCREASED EFFICIENCY AND ALTERNATIVE FUELS

G.F. Sheard

21. FLUIDISED BED COMBUSTION AND THE GLASS HOUSE INDUSTRY

G. McMahon

22. COAL AS AN ENERGY OPTION

P. J. Fleming

23. GRATE FIRING OF PEAT FUELS

F. Lunny

24. THE USE OF LOW INTENSITY INFRARED FOR GREENHOUSE HEATING IN SOUTHERN ONTARIO

Th.J. Blom | F.J. Ingratta

25. ROOT ZONE WARMING OF SPRAY CHRYSANTHEMUMS IN HYDROPONICS

A.T. Moustafa | J.V. Morgan

26. ENERGY INPUT IN TWO NFT SYSTEMS FOR TOMATOES

F. Benoit | N. Ceustermans

27. AIR TEMPERATURE, SOIL WARMING AND PHOSPHORUS NUTRITION OF GREENHOUSE TOMATOES

R.A.J. White

28. THE EFFECT OF WARM ROOT ZONE TEMPERATURES ON GROWTH OF TOMATO AND POINSETTIA

Harry W. Janes | R. McAvoy | M. Maletta | J. Simpkins | David R. Mears

29. FLOOR HEATING OF GREENHOUSES

W.J. Roberts | D.R. Mears | M.F. James

30. THE FLOODED FLOOR FOR WASTE HEAT UTILIZATION IN GREENHOUSES

T.O. Manning | D.R. Mears | R. McAvoy | W.J. Roberts

31. WATER MAT AS A HEAT EXCHANGER FOR GREENHOUSES

I. Seginer | Louis D. Albright

32. EFFECT OF UNDERGROUND HEATING AND COMPOST ON GROWTH OF FOLIAGE PLANTS

J.C.R. Seager

33. IMPROVEMENT OF THE THERMAL ENVIRONMENT OF THE PROPAGATION HOUSE AND ITS EFFECT ON THE TOMATO FRUIT-SET

P.F. Martinez Garcia | A. González Benavente-Garcia

34. CHANGES IN PRACTICES FOR ENERGY CONSERVATIVE GREENHOUSES

W. L. Bauerle | Ted H. Short

35. COMPUTERS IN GREENHOUSE CLIMATE CONTROL

G.P.A. Bot | W.P. Mulder

36. COMPUTER PROCESSING OF SPEAKING PLANT FOR CLIMATE CONTROL AND COMPUTER AIDED PLANTATION (COMPUTER AIDED CULTIVATION)

Y. Hashimoto | T. Morimoto | S. Funada

37. DIGITAL CONTROL SYSTEM FOR GREENHOUSES

B. Copet | J.-A. Videau

38. HEATING LOAD OF A GLASSHOUSE FROM THE PHYSICAL POINT OF VIEW

G.P.A. Bot

39. BIOLOGICAL ASPECTS OF DYNAMIC OPTIMIZATION IN GREENHOUSE CLIMATE CONTROL

J. van de Vooren | H. Challa

40. A PORTABLE LOW-COST MICROCOMPUTER SYSTEM FOR GLASSHOUSE CLIMATE CONTROL.

J. van Zeeland | C.J. van Asselt | W.C. Nuijen

41. A MODIFIED PI-ALGORITHM FOR A GLASSHOUSE HEATING SYSTEM

A.J. Udink ten Cate | J. van Zeeland

42. A RESEARCH STRATEGY TO SOLVE AIRHUMIDITY PROBLEMS IN GREENHOUSES, CAUSED BY THE USE OF ENERGY-SAVING MEASURES

W.Th.M. van Meurs | Th.H. Gieling

43. THERMAL PROBLEM SOLVING BY HANDCALCULATIONS, AN APPLICATION OF NETWORK THEORY

N.J. van de Braak

44. INFLUENCE OF COVER MATERIAL ON HEAT LOSSES FROM A GLASS HOUSE : COMPARISON BETWEEN STANDARD GLASS AND LOW EMISSIVITY GLASS

M. Baille | J. Damagnez | J.C. Laury

45. THE INRA-CEA SOLAR GREENHOUSE : PHYSICAL RESULTS

J.P. Chiapale

46. A COMPARISON OF THE EFFECT OF SINGLE GLASS AND DOUBLE ACRYLIC SHEATING ON PLANT GROWTH AND DEVELOPMENT

D. Reiersen | Z. Sebesta

47. A COMPARISON OF SINGLE GLASS AND DOUBLE ACRYLIC SHEATING WITH RESPECT TO HEAT LOSS AND EFFECTS ON PLANT ENVIRONMENT

Z. Sebesta | D. Reiersen

48. LIGHT TRANSMITTANCE OF “ALTERNATIVE” GREENHOUSES

A.M.G. van den Kieboom | J.A. Stoffers | A. Bascçetinçelik

49. ENERGY RESEARCH FOR THE PRESENT AND FUTURE U.S.A. GREENHOUSE INDUSTRY

Ted H. Short | Warren L. Roller | W. L. Bauerle

50. AIR INFLATED PLASTIC FILM GREENHOUSES

W.J. Roberts

51. ECONOMIC GREENHOUSE TEMPERATURES

I. Seginer

52. THE INFLUENCE OF INSULATION TECHNIQUES ON CROP PRODUCTION AND PROFITABILITY IN THE DUTCH GLASSHOUSE INDUSTRY

A.P. Verhaegh

53. AN EVALUATION OF THE CONSEQUENCES OF DIFFERENT ENERGY CONSERVATION METHODS

H. Christensson | T. Kristoffersen

54. OPTIMIZING CROP PRODUCTION TO LOW COSTS IN PROTECTED VEGETABLE CULTIVATION

E. Fölster

55. LARGE SCALE ORNAMENTAL PLANT PRODUCTION AND ENERGY CONSERVATION

A. Nicolaus

56. REGIONAL ESTIMATION OF HEATING REQUIREMENTS OF GREENHOUSES

J.P. Chiapale | C. Kittas | O. de Villèle

57. HEAT CONSUMPTION MODEL FOR GREENHOUSE NURSERIES

Jan S. Strøm | Marius G. Amsen

58. ECONOMIC ASPECTS OF HEAT PUMPS IN GLASSHOUSE HORTICULTURE

J.P.G. Huys | W.P. Mulder

59. EXTRACT HEAT FOR A HORTICULTURAL PROJECT AT LANESBOROUGH

M. J. Forde

60. COOLING GREENHOUSE CROPS IN A MEDITERRANEAN SUMMER CLIMATE

C.H.M. van Bavel | E.J. Sadler | J. Damagnez

61. GREENHOUSE HEATING WITH SUN ENERGY

J. Damrath | Chr. von Zabeltitz

62. PASSIVE SOLAR HEATING APPLIED TO COMMERCIAL GREENHOUSES

L.D. Albright | R.W. Langhans | G.B. White

63. HEATING GREENHOUSES WITH SOLAR ENERGY

M. Grafiadellis | S. Kyritsis

64. AGRONOMICAL RESULTS OF SOLAR ENERGY RECOVERY AND HEATING BY THE SUN-STOCK SYSTEM ON AN EARLY TOMATO CROP UNDER PLASTIC POLYETHYLENE GREENHOUSE

H. Verlodt | B. Nasraoui | A. Mougou

65. THE RUTGERS SYSTEM FOR SOLAR HEATING OF COMMERCIAL GREENHOUSES

J.P. Cipolletti | D.R. Mears | W.J. Roberts | P.W. Kendall

66. A SOLAR GREENHOUSE WITH PHASE CHANGE ENERGY STORAGE AND A MICROCOMPUTER CONTROL SYSTEM

T. Takakura | H. Nishina

67. SOLAR HEAT SUPPLY FOR GREENHOUSES WITH STRATIFIED SOIL HEAT STORAGE: DATA COLLECTION AND FEASIBILITY STUDY

A. Nir | A. Amiel | J. Krant | M. Epstein

68. PREPARATORY EXPERIMENTS ON SEASONAL STORAGE OF HEAT

M. Areskoug

69. A GREENHOUSE SYSTEM WITH ENERGY STORAGE AND HIGH LEVEL CO₂ ATMOSPHERE

J. Løvseth

70. THE USE IN GREENHOUSES OF HOT WATER RESULTING FROM ELECTRIC POWER GENERATION

W.P. Mulder | B.J. Heijna

71. SOIL WARMING BY WASTE WATER OF IRIS HOLLANDICA CROPS CULTIVATED UNDER PLASTIC TUNNELS : THERMIC AND AGRONOMIC ASPECT.

T. Boulard | A. Mesvel | A. Baille

72. HOW CALCULATE GREENHOUSE HEAT LOSSES ACCORDING TO THE PLANT COMFORT AND THE TYPE OF GREENHOUSE HEAT EXCHANGER

Y. Cormary

73. HEATING OF GREENHOUSES WITH FULL EXPLOITATION OF HEAT CONTENT FROM THERMAL WATER

J. Karai | S. Nagy

74. USING WASTE HEAT FOR VEGETABLE GROWING IN THE OPEN, UNDER PLASTICS, AND IN GLASS-HOUSES

G. Reinken

75. THE EVALUATION OF THERMAL SCREENS IN GLASSHOUSES ON COMMERCIAL NURSERIES

B.J. Bailey

76. RADIATION PROPERTIES OF THERMAL SCREENS

H. Tantau

77. ENERGY SAVING WITH MOBILE THERMAL SCREENS

J. Meyer

78. PROGRESS IN MOVABLE BLANKET INSULATION SYSTEMS FOR GREENHOUSES

W.J. Roberts | D.R. Mears | J.C. Simpkins | J.P. Cipolletti

79. ESTIMATION OF ENERGY REQUIREMENT FOR EVAPORATION IN GREENHOUSES

C. Stanghellini

80. GROWTH RATES OF YOUNG TOMATO PLANTS IN DIFFERENT INTENSITY RATIOS OF NATURAL AND ARTIFICIAL LIGHT

O. Elgersma | G. Meyer | J. van Gammeren

81. FUTURE OUTLOOK AND RESEARCH NEEDS

C.H.M. van Bavel

82. PRIORITIES IN RESEARCH AND DEVELOPMENT IN RELATION TO ENERGY CONSERVATION IN PROTECTED CULTIVATION

G.H. Germing

83. FUTURE OUTLOOK AND RESEARCH NEEDS

G.F. Sheard

84. FUTURE OUTLOOK AND RESEARCH NEEDS

T. Takakura