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Articles

DEVELOPMENT OF CFD MODEL OF A GREENHOUSE WITH WATER-SPRINKLING ROOF

Article number

893_64

Pages

613 – 620

Language

English

Abstract

Use of a highly hydrophilic greenhouse cover with a photoactive TiO₂ film and a water sprinkler is expected to decrease air temperatures in greenhouses without wetting crops and workers.
To investigate this cooling effect, a computational fluid dynamics (CFD) model was developed.
Water vapor and heat transfer on the photo-induced hydrophilic roof with a water film were modeled and loaded to a Fluent^® solver using user-defined functions (UDFs). Comparisons with experimental results for roof temperatures with a water film and inside air of a small closed glasshouse are presented.
The results of the simulation showed good agreement with the experimental results, especially for the difference in air temperatures between compartments with and without water film.
Simulated heat fluxes from a roof with a water film also suggested that the cooling effect on the inside air by the vaporization from uniform water film is relatively stable compared to that on the outside air.

Publication

International Symposium on High Technology for Greenhouse Systems: GreenSys2009

Authors

T. Kuroyanagi, M. Iyonaga, K. Sunada, N. Ohnishi, K. Hashimoto

Keywords

cooling, photo-induced hydrophilicity, photocatalyst, TiO₂ film

Full text

https://doi.org/10.17660/ActaHortic.2011.893.64

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J. Li | Z. Zou | X. Wang

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C.R. Bojacá | R. Gil | E. Schrevens

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R. Gil | C.R. Bojacá | E. Schrevens

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X. Hao | L. Zhang | MD.S. Borhan | S. Khosla

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G. Zanin | G. Ponchia | P. Sambo | A.E. Ortega

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D. Fanourakis | E. Heuvelink | R. Maaswinkel | S.M.P. Carvalho

93. LIGHT USE EFFICIENCY AT DIFFERENT WAVELENGTHS IN ROSE PLANTS

94. ENERGY-EFFICIENT GREENHOUSE PRODUCTION OF PETUNIA AND TAGETES BY MANIPULATION OF TEMPERATURE AND PHOTOSYNTHETIC DAILY LIGHT INTEGRAL

M.G. Blanchard | E.S. Runkle | J.M. Frantz

95. DETERMINING THE OPTIMAL NIGHTTIME AIR TEMPERATURE FOR PHALAENOPSIS DURING THE VEGETATIVE STAGE

96. HIGH TEMPERATURES AND MARGINALLY INDUCTIVE PHOTOPERIODS IMPACT THE FLORAL DISPLAY OF POINSETTIAS ‘FREEDOM RED’, ‘EARLY RED SPLENDOR’, AND ‘PRESTIGE EARLY RED’

R.A. Schnelle | J.E. Barrett

97. GREENHOUSE ROOF OPENING AND VENTILATION SYSTEMS AFFECT INTERNAL CLIMATE AND LISIANTHUS CROP RESPONSE

G. Fascella

98. LAMB’S LETTUCE GROWING CYCLE AND YIELD AS AFFECTED BY ABIOTIC FACTORS

99. EFFECT OF SHADE ON QUALITY OF GREENHOUSE PEPPERS

J. López-Marín | A. González | A. Gálvez

100. A GIS METHODOLOGICAL PROPOSAL TO EVALUATE SUITABLE AREAS FOR GREENHOUSE INSTALLATION

D. Castronuovo | V. Miccolis | V. Candido | C. Manera

101. USING TEMPERATURE INTEGRATION OVER 24 HOURS IN SOILLESS TOMATO CULTIVATION IN GREENHOUSE: APPLICATION IN THE WEST OF FRANCE

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102. POSSIBILITIES FOR SOILLESS CULTIVATION IN CUT CHRYSANTHEMUM: EFFECT OF IRRIGATION FREQUENCIES AND SPACING SCHEDULES

D. Fanourakis | E. Heuvelink | W. Verkerke

103. EFFECT OF CANOPY POSITION ON SOME FRUIT QUALITY PARAMETERS OF GREENHOUSE-GROWN NECTARINE

Y. Kong | Y. Yao | C. Ma | B. Li

104. DATA-BASED APPROACH TO MODEL THE DYNAMIC BEHAVIOUR OF GREENHOUSE TEMPERATURE

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G. Fascella | P. Maggiore | M. Demma Carà | G.V. Zizzo

106. TRANSPIRATION AND NUTRIENT USE EFFICIENCY OF A SWEET PEPPER CROP UNDER TWO EXTERNAL SHADING SYSTEMS: MOBILE AND FIXED

E. Medrano | F.J. Alonso | P. Lorenzo | M.C. Sánchez-Guerrero

107. ZANTEDESCHIA AETHIOPICA: EFFECTS OF BASAL THERMAL TREATMENTS ON FLOWERING TIME, YIELD AND FLOWER QUALITY

S. Lazzereschi | A. Grassotti | S. Cacini | B. Nesi

108. RICE HULLS AND PEAT REPLACEMENT IN SUBSTRATES FOR VEGETABLE TRANSPLANT PRODUCTION

G. Zanin | A. Bassan | P. Sambo | M.R. Evans

109. PARTICLE SIZES RELATED TO PHYSICAL PROPERTIES OF PEAT-BASED SUBSTRATES

R. Naasz | P. Bussières

110. A FAST PROCEDURE TO ESTIMATE HYDRAULIC CHARACTERISTICS OF GREENHOUSE SUBSTRATES FROM ONE-STEP OUTFLOW DATA

C. Bibbiani | C. Campiotti | L. Incrocci

111. APPLICATIONS OF XEROPHYTOPHYSIOLOGY IN PLANT PRODUCTION – TOMATO FRUIT YIELD AND QUALITY IMPROVED BY RESTRICTED IRRIGATIONS IN SOIL-BASED GREENHOUSES

H.L. Xu | Q.C. Xu | F.F. Qin | C.M. Tian | R. Wang

112. EXTRACTION AND NUTRIENT EFFICIENCY DURING THE VEGETATIVE GROWTH OF TOMATO UNDER HYDROPONICS CONDITIONS

113. ZEOLITES IN MEDIA MIXES FOR SOILLESS PRODUCTION: FIRST RESULTS ON TOMATO

M. Fecondini | M. Mezzetti | F. Orsini | G. Gianquinto | S. Poppi

114. ALTERATION OF NO₃^–, PO₄^3- AND SO₄^2- CONCENTRATION ON ROSE PLANTS IN RESPONSE TO GREENHOUSE CLIMATE PARAMETERS AND THEIR CONCENTRATION IN THE NUTRIENT SOLUTION

C. Lykas | G. Dimokas | C. Kittas

115. THE STRUCTURAL CONTROL OF NUTRIENT SOLUTION FOR STABLE PRODUCTION OF HIGH-QUALITY VEGETABLES IN GREENHOUSES

K. Ishikawa | S. Islam | N. Takeda | T. Yoshimura

116. NITROGEN AND CALCIUM FERTILIZATION EFFECTS ON YIELD OF SILYBUM MARIANUM L. GAERTN. PRODUCED IN HYDROPONIC SYSTEMS

J.L. Horst Warren | C.E. Sams

117. USING TRANSPIRATION CHAMBERS TO DETECT INITIAL TRANSPIRATION IN CUTTINGS AND QUANTIFY TRANSPIRATION IN SEEDLINGS

A. Fulcher | R. Geneve | T. Steele | E. Wilkerson | R.S. Gates

118. CLOSED GREENHOUSE COOLING WITH WATER DROPLET CURTAIN

J. Huttunen

119. THE USE OF SOIL MOISTURE PROBES FOR IMPROVED UNIFORMITY AND IRRIGATION CONTROL IN GREENHOUSES

M.W. van Iersel | S. Dove | S.E. Burnett

120. WIRELESS SENSOR NETWORKS TO PRECISELY MONITOR SUBSTRATE MOISTURE AND ELECTRICAL CONDUCTIVITY DYNAMICS IN A CUT-FLOWER GREENHOUSE OPERATION

J.D. Lea-Cox | F. Arguedas Rodriguez | A.G. Ristvey | D.S. Ross | G. Kantor

121. RAPID WATERING TO ACHIEVE PARTIAL SATURATION OF ROOT MEDIUM ON FLOODED FLOORS

M.P.N. Gent | W. Elmer | R. McAvoy

122. MONITORING OF CLIMATE VARIABLES IN SEMI-CLOSED GREENHOUSES

123. A PHOTOAUTOTROPHIC MICROPROPAGATION SYSTEM USING LARGE VESSELS WITH FORCED VENTILATION FOR COMMERCIAL APPLICATION

Y. Xiao | S. Li | Y. Zhang

124. SUSTAINABLE DISPOSAL OF SURPLUS NUTRIENT SOLUTIONS FROM SOILLESS GREENHOUSES IN NEW ZEALAND

J.R. Lewthwaite | W.T. Bussell | I.S. Cornforth | I.L. Ennis | C.M. Triggs

125. ANALYSIS OF FILTER MATERIALS FOR RECYCLING WASTE NUTRIENT SOLUTIONS IN SOILLESS CULTURE

J.E. Son | Y.K. Jung | T.I. Ahn

126. CHEMICAL CHARACTERIZATION OF SOIL IRRIGATED BY GREYWATER

Y. Al-Zu'bi | Z. Arabeyyat | B. Dababneh | S. Abubaker

127. DEVELOPMENT OF A STATE-OF-THE-ART NUTRIENT DELIVERY SYSTEM TO ACCOMMODATE SMALL TREATMENT SIZES NEEDED FOR NURSERY CROP RESEARCH

128. A SIMULATION MODEL ON LEAF COLOR DYNAMIC CHANGES IN GREENHOUSE MUSKMELON UNDER DIFFERENT CULTIVARS AND ORGANIC FERTILIZER RATES

L. Chang | S. He | M. Chi | D. Huang

129. EXPLORING MORE SUSTAINABLE TECHNOLOGICAL ALTERNATIVES FOR THE GREENHOUSE CUT FLOWERS INDUSTRY IN COLOMBIA

C.A. Parrado | C.R. Bojacá | E. Schrevens

130. THE CLOSED SYSTEM TOOL BOX

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131. CONSTRUCTED WETLANDS IMPLANTED WITH IRIS VERSICOLOR, JUNCUS SP. AND PHRAGMITES AUSTRALIS AS A POTENTIAL TREATMENT FOR GREENHOUSE EFFLUENTS

V. Gravel | M. Dorais | N. Gruyer | C. Ménard

132. THE USE OF BIODEGRADABLE POTS FOR THE CULTIVATION OF POINSETTIA

V. Candido | D. Castronuovo | V. Miccolis

133. OPTIMIZATION OF IRRIGATION OF ROMAINE LETTUCE (LACTUCA SATIVA L.) CULTIVATED IN MUCK SOIL

134. REUSE OF LEACHED NUTRIENT SOLUTION IN TOMATO SOILLESS CULTURE

B. Benko | J. Borošić | B. Novak | N. Toth | S. Fabek

135. THE INFLUENCE OF ELECTRO KINETIC NUTRIENT TREATMENT SYSTEM USING BAKUHAN-SEKI ON VEGETATIVE GROWTH OF TOMATO

S. Islam | N. Takeda | A. Obashi | K. Ishikawa | D. Yasutake

136. EVALUATION OF ZERO-RUNOFF IRRIGATION SYSTEMS FOR CONTAINERIZED NURSERY PRODUCTION

R. Piatti | G. Amoroso | P. Frangi | A. Fini

137. REMOVAL OF PYTHIUM ULTIMUM PROPAGULES IN RECYCLED GREENHOUSE NUTRIENT SOLUTION USING ARTIFICIAL WETLANDS

N. Gruyer | M. Dorais | V. Gravel | G.J. Zagury

138. THE USE OF ARTIFICIAL WETLANDS TO TREAT GREENHOUSE EFFLUENTS

139. ORGANIC GREENHOUSE VEGETABLE PRODUCTION IN CANADA: CHALLENGES AND OPPORTUNITIES

Y. Zheng | M.A. Dixon | G. Ferguson

140. INTEGRATED SYSTEMS FOR THE PRODUCTION OF ORGANIC GREENHOUSE TOMATOES

141. QUALITY OF ORGANIC AND CONVENTIONAL GREENHOUSE CUCUMBERS AND TOMATOES

D. Wees | K.A. Stewart

142. EVALUATION OF ZEOLITE AS A COMPONENT IN ORGANIC GROWING SUBSTRATES FOR TOMATO TRANSPLANT PRODUCTION

C. Lafrenière | V. Surrage | M.A. Dixon | Y. Zheng

143. CONTROL OF POWDERY MILDEW IN ORGANIC GREENHOUSE MELON CULTIVATION

F.F. Qin | H.L. Xu | Q.C. Xu

144. APPLICATION OF GENERALIZED LINEAR MODEL BASED MULTIPLE COMPARISON PROCEDURES TO GREENHOUSE PEST CONTROL EXPERIMENTS

S. Menke | H.-M. Poehling | D. Gerhard

145. MULTICRITERIA EVALUATION OF THE PATHOLOGICAL RESILIENCE OF SOIL-BASED PROTECTED CROPPING SYSTEMS

M. Tchamitchian | B. Collange | M. Navarrete | G. Peyre

146. EFFICIENCY OF PHYSICAL MEANS OF IPM ON INSECT POPULATION CONTROL IN GREENHOUSE CROPS

A. Vatsanidou | T. Bartzanas | C. Papaioannou | C. Kittas

147. HEALTH MONITORING OF PLANTS BY THEIR EMITTED VOLATILES: A TEMPORARY INCREASE IN THE CONCENTRATION OF METHYL SALICYLATE AFTER PATHOGEN INOCULATION OF TOMATO PLANTS AT GREENHOUSE SCALE

148. DEVELOPMENT OF A WARNING SYSTEM FOR CONTROLLING BOTRYTIS CINEREA IN UNHEATED TOMATO GREENHOUSES

F.J. Baptista | B.J. Bailey | J.F. Meneses

149. S-ABA DELAYS WILTING IN PETUNIA AND IMPATIENS

J.E. Barrett | C.A. Bartuska

150. SUPPRESSION OF GRAY MOLD IN LISIANTHUS BY PASSIVE MEANS OF GREENHOUSE ENVIRONMENT MANAGEMENT

151. APPLICATION OF PLANT GROWTH PROMOTING RHIZOBACTERIA IN A HYDROPONICS SYSTEM FOR ADVANCED LIFE SUPPORT IN SPACE – revised version

O.J. MacIntyre | J.T. Trevors | M Stasiak | M.A. Dixon | K. Cottenie

152. CONTROL OF PYTHIUM SPP. ROOT COLONIZATION IN TOMATO SOILLESS CULTURE THROUGH CHLORINATION OF WATER STORAGE TANK

153. INTERACTION OF CALIBRACHOA AND SELECTED ROOT AND FOLIAR PATHOGENS IN GREENHOUSE SETTINGS

M. Omer | J.C. Locke | J.M. Frantz | L.E. Horst | C.R. Krause

154. INFLUENCE OF THE SULPHUR APPLICATION METHOD ON PESTS, DISEASES AND NATURAL ENEMIES IN A GREENHOUSE PEPPER CROP

155. LEAF AND BUD TEMPERATURES OF SOUTHERN HIGHBUSH BLUEBERRIES (VACCINIUM CORYMBOSUM) INSIDE HIGH TUNNELS

156. EFFECT OF PLASTIC MULCHES ON YIELD AND FRUIT QUALITY OF STRAWBERRY PLANTS GROWN UNDER HIGH TUNNELS

157. HIGH TUNNEL COVERING MATERIALS FOR NORTHERN FIELD PRODUCTION

M.G. Karlsson | J.W. Werner