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Area Marine energy - Wave, tidal and other water current converters / Current energy converter systems

IEV ref 417-03-06

Symbol
DE

en
equivalent diameter
diameter of a circle with area equal to the device projected capture area

Note 1 to entry: The equivalent diameter is generally calculated as: D e = 4A π D E = 4A π MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqipu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGacaGaaiaabeqaamaabaabaaGcbaGaamiramaaBa aaleaacaWGLbaabeaakiabg2da9maakaaabaWaaSaaaeaacaaI0aGa amyqaaqaaiabec8aWbaaaSqabaGccaWGebWaaSbaaSqaaiaadweaae qaaOGaeyypa0ZaaOaaaeaadaWcaaqaaiaaisdacaWGbbaabaGaeqiW dahaaaWcbeaaaaa@4275@ , where A is the projected capture area as illustrated in Figure 3.

Key

A

projected capture area

h

height

w

width

DE

equivalent diameter

R

radius

 

 

Figure 3 – Equivalent diameter calculations for various projected capture areas


[SOURCE: IEC TS 62600-1:2020, 3.14]


fr
diamètre équivalent, m
diamètre d’un cercle dont l’aire équivaut à la surface de capture projetée du dispositif

Note 1 à l’article: Le diamètre équivalent est généralement calculé comme suit:

D e = 4A π D E = 4A π MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqipu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGacaGaaiaabeqaamaabaabaaGcbaGaamiramaaBa aaleaacaWGLbaabeaakiabg2da9maakaaabaWaaSaaaeaacaaI0aGa amyqaaqaaiabec8aWbaaaSqabaGccaWGebWaaSbaaSqaaiaadweaae qaaOGaeyypa0ZaaOaaaeaadaWcaaqaaiaaisdacaWGbbaabaGaeqiW dahaaaWcbeaaaaa@4275@ A est la surface de capture projetée telle qu'illustrée à la Figure 3.

Légende

A

surface de capture projetée

h

hauteur

w

largeur

DE

diamètre équivalent

R

rayon

 

 

Figure 3 – Calculs du diamètre équivalent pour différentes surfaces de capture projetées


[SOURCE: IEC TS 62600-1:2020, 3.14]


Publication date: 2022-02
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