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IX. REDUCING GREENHOUSE
TEMPERATURE
A. temperature regimes
range 50!0 "eg# stress a$%&e '0 "eg
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Green(%use e))e*t
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+. Temperature in green(%use
"etermine" $,-
. S%/ar energ,
Green(%use e))e*t-
S%/ar energ, s(%rt a&e ra"iati%n passes t(r%ug(
g/ass
T(erma/ ra"iati%n /%nger a&es trappe"
s(a"ing in green(%use
time %) ,ear
time %) "a,
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1. E2teri%r am$ient temperature
3. M%isture transpire"
Temperature in empt, green(%use greater t(an
in green(%use it( p/ants
4. E&ap%rati%n %) ater )r%m s%i/# a//s et*.
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C. Te*(niues t% re"u*e temperature
. S(a"ing re"u*e energ, a$s%r$e"
a. S(a"ing *%mp%un" Permanent s(a"e a)ter app/i*ati%n
Rem%&e" Aug 6 Sept
$. S(a"e *urtain Rem%&e "uring */%u", eat(er
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1. Green(%use &enti/ati%n
a. De)initi%n
m%&ement %) %utsi"e air t(r%ug(
green(%use
$. C(ara*teristi*s %) &enti/ati%n s,stem
7 *apa*it, t% re"u*e temperature
17 uni)%rm temperature37 aut%mate"
47 minimum an" ma2imum &enti/ati%n
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*. Time %) ,ear
7 8inter &enti/ati%n
9ate )a//# inter# ear/, spring-
%utsi"e air *%%/
Minimum t% ma2imum &enti/ati%n
usua//, a"euate
17 Summer &enti/ati%n
7 Temperature *%ntr%/ "i))i*u/t
S(a"ing an" &enti/ati%n
Ma2imum &enti/ati%n
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". T,pes %) S,stems
7 Natura/ &enti/ati%n
Esta$/is( *%n&e*ti%n *urrents
Ri"ge &ent an" si"e &ents
Open area
40: %) )/%%r spa*e
Rem%&a$/e si"e a//
Rem%&a$/e r%%)
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Natura/ &enti/ati%n
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Natura/ &enti/ati%n
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Natura/ &enti/ati%n
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Natura/ &enti/ati%n
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17 M%t%ri;e" S,stems minimum
Mi2 *%/" it( arm g(s. air
P%/, tu$e s,stem it( &ent
9% spee" )an it( &ent
One )an %r se&era/ turne"%n# it( &ent
37 M%t%ri;e" s,stems 6 ma2imum
Outsi"e "ire*t/, int%green(%use
Temperature "epen"ent
Air )/% rate
3
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Air e2*(ange &s temperature
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e. C%ntr%/ %) S,stems
7 Natura/ &enti/ati%n
Manua/
Aut%mati*
T(erm%stat
C%mputer
17 M%t%ri;e" &enti/ati%n
t(erm%stats
)an?s7 %r 1 spee"
@ents
u//, %pen %r*/%se"
m%"u/ating
37 E " // i/ i
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37En" a// &enti/ati%n
7 ans %n %ne en" a//
17 @ents %n %t(er en" a//
37 an spa*ing 15B
47 air e2*(ange
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47 Si"e a// &enti/ati%n
pr%$/em mi2ing *%/" air
Air e2*(ange rate &s &e/%*it,
e2*(ange 30B 2 00B
en" a// 00 )t
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Si"e a// &enti/ati%n
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Natura/ &enti/ati%n
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