. . 25352535 ( )1 (Overall 1. (Overall

Thermal Transfer Value, OTTV RTTV ,Roof Thermal Transfer Value)

OTTV OTTV 45 45 //.. 55 55 //.. RTTV RTTV 25 25 //. .

2. ()( ) 16 16 //. .

/ / 23 23 //. .

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() OTTV&RTTV

ESCO (Energy Service Company)

.

9(2) 21(2)

1. 2. 3

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2 .. 2550

.9(2) 21(2)

()

3.

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OTTV & RTTV

OTTV & RTTV

.

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.

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... . 25522552

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() O-OTTV O-RTTV S-OTTV S-RTTV H-OTTV H-RTTV

1 (W/Sqm) 50 15 40 12 30 10

2 (W/S ) 14 18 122 (W/Sqm) 14 18 12

3 COP 4 COP

6

22 66

7

2

24 m2

40 40 40 1.5 h SC eff = SC x Tvis > 0.340 w 40 w 40 wSC eff SC Tvis (Visible transmittance)

40 w 40 w 40 w LSG = Tvis / SHGC > 1.0LSG SHGC

40 w 40 w 40 w

= 40 x 9 = 15 w / m26 10

824

(() )

2,000 . 4

()

O-OTTV O-RTTV S-OTTV S-RTTV H-OTTV H-RTTV1 (W/Sqm) 50 15 40 12 30 10

(3) 4

2 (W/Sqm) 14 18 123 COP 4 COP

( / )

3 4

(Whole Building Compliance) OTTV, RTTV

2

(kW/ m2.Yr)

RTTV, ,

1 ( 1 ) (

2

(Whole BuildingCompliance)

)

(kW/ m2.Yr)

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()

10

11

12

13

14

15

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((Energy Index) Energy Index) , , , , ((Energy Index) Energy Index) , , , ,

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http://www.dede.go.th

25

26

((OTTV OTTV -- RTTV)RTTV) 1.1.

2.2. (()) 3.3.

4.4.

A A ((Area) Area) TDeq section R U k

TDeq DSH (p) (Cp) 1.4

Q = U * A (1-WWR) * Tdeq () Q OTTV - RTTV

27

5.5. (( ))

AA section section R R U U kk = = 5 5 5 5 Q = U * A(WWR) * T Q = U * A(WWR) * T ((11))

ESR ESR (()) SHGC SHGC SC (SC () ) 1 1 Q = A(WWR) * SHGC * SC * ESRQ = A(WWR) * SHGC * SC * ESR Q ( )Q ( ).......(.......(22)) Q Q ((11) ) + + ((22)) OTTV OTTV -- RTTVRTTV

28

Q Q ((11) ) + + ((22)) OTTV OTTV -- RTTVRTTV

6.6. Q Q OTTV OTTV RTTV RTTV OTTV OTTV RTTV RTTV

7.7. . .

8.8. Q Q Q Q U U A A TdeqTdeq Q Q U U A A TdeqTdeq , , , ,

, , 9.9. , ,

2910.10.

OTTV = Qconduction (Wall) + Qconduction (glass) + Qradiation (glass)Envelope Area

Q d ti (W ll) U ll A ll TdeqQ conduction (Wall) = Uwall x Awall x Tdeq = x x

Q conduction (glass) = Uglass x Aglass x DeltaT = x x

Q radiation (glass) = Aglass x SHGC x SC shade x ESRQ radiation (glass) Aglass x SHGC x SC shade x ESR = x x x

30 ..