Solut ution ion Hist story y and Solar r Ca Calculat ulator - - PowerPoint PPT Presentation

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Solut ution ion Hist story y and Solar r Ca Calculat ulator - - PowerPoint PPT Presentation

Nov 19, 2023 499 likes •630 views

Solut ution ion Hist story y and Solar r Ca Calculat ulator or No Nov. 29th Solution lution Histor ory Introdu oduction ction Soluti tion on Histor ory y is a powerfu ful addi diti tion on to the e post-proce ocess ssing

slide-1
SLIDE 1

Solut ution ion Hist story y and Solar r Ca Calculat ulator

  • r

No

  • Nov. 29th
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SLIDE 2

Soluti tion

  • n Histor
  • ry

y is a powerfu ful addi diti tion

  • n to the

e post-proce

  • cess

ssing ng capabil biliti ties es

  • f STAR

AR-CC CCM+ M+

  • It allows

ws the us user to store re and reloa load d data from m previous vious states es of the e simu mulation lation

  • User

r define nes s which ich data a are stored red

  • Data are stored

red in a *.simh imh file The e us user r is able e to interr errogat ate e soluti tion

  • n data

a from

  • m previous

vious time e step eps s or iterati eration

  • ns AF

AFTER ER so solvi ving ng

  • Com
  • mpare

are solution ions s at differen erent t time me steps ps (or iterat ations) ions)

  • Creat

ate e animat ations ions of transient nsient simul ulat ations ions

  • Com
  • mpare

are solution ions s with th differen erent t conditions nditions (mesh meshes, es, design sign changes) nges) at se severa eral time me st steps ps

Solution lution Histor

  • ry

Introdu

  • duction

ction

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SLIDE 3

Soluti tion

  • n Histor
  • ry

y is access essed d throu

  • ugh

gh two

  • new

w node des s on the e Tree

  • Soluti

tion

  • n Histories
  • ries

+ Define the “input” : Where, When and Which data are stores

  • Soluti

tion

  • n Views

ws + Define the “output” : Which solution file is recalled, which state is displa layed d how w it is animat mated ed

Solution lution Histor

  • ry

Setu etup p in STAR-CCM+ CM+

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SLIDE 4

The e .simh mh file e can conta ntain in a lot

  • t of us

useful data, , but ut as a conseq nsequen ence ce of this, s, they y can becom come e rathe her large

  • The

e file e size e is propor porti tion

  • nal

al to : + The e num umbe ber r of steps + The e numbe umber r of sc scalars + The e num umbe ber r of vector

  • rs
  • The

e file e can take e time e to reload

  • ad

+ Think nk abou

  • ut

t the e order der in which ch you u perform

  • rm opera

erati tion

  • ns

+ Best st to load each h state e only ly once ce perform

  • rm each

ch expor port t oper erat ation ion before

  • re moving

ving to the e next xt state

Solution lution Histor

  • ry

Remark marks

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SLIDE 5

Solution lution Histor

  • ry

Usin ing g a Solution lution Hist istor

  • ry
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SLIDE 6

The e Solar ar Calcula ulator

  • r com
  • mput

utes s sun un altitude de (ele levat ation), ion),azimuth azimuthal angle, le, and direct/d ect/diffuse fuse solar r flux uxes es in STAR AR-CC CCM+ M+

  • New

w releas ease e on STAR AR-CC CCM+ + 7.04 04

  • Ex

Exper ert t input uts s are a s sun unsh shine ine fa factor

  • r to accom
  • mmo

modat date e the e clouds uds and a diffuse e fracti tion

  • n to conside

ider r a fracti tion

  • n of so

solar ar radiati tion

  • n as

s diffuse For r un unsteady eady simula ulati tion

  • ns,

s, the e solar ar calcul ulat ator

  • r aut

utomat matically cally refre resh shes s sol

  • lar

ar value ues s at ever ery y time me-st step. ep.

Sola lar r Cal alculat culator

  • r

Introdu

  • duction

ction

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SLIDE 7

For r a chose

  • sen

n solar ar load d mode del, l, Solar ar Calcula ulator

  • r is access

essed ed throu

  • ugh

gh new w node de on the e Physics sics model

  • del
  • Soluti

tion

  • n Calculator
  • r

+ Define the “Properties” : Date, time and geographical location sets up + Define the “Expert Properties” : Diffuse Fraction and Sunshine Factor

Sola lar r Cal alculat culator

  • r

Setu etup p in STAR-CCM+ CM+

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SLIDE 8

Solar ar radiati tion

  • n speci

cified ied by latitude, de, longi gitu tude de, , time me & date Additi tional

  • nal sun

unsh shine ine fa factor

  • r to compen

pensat sate e for

  • r changin

nging skies ies Aut utoma matic tic irradiati diation

  • n up

update e for transie nsient nt analys ysis

Sola lar r Cal alculat culator

  • r

Remark marks

Variable Range Referernce Latitude

  • 90.0~+90.0

Latitude in degrees (north positive, south negative)

Longitude

  • 180.0~+180.0

Longitude in degrees from Greenwich (east positive, west negative)

Time Zone

  • 12.0~+12.0

(in hours) Time that is offset with respect to UTC (east positive, west negative)

Hour

0~23 Starting local time (24-hour format; default 12:00 noon)

Minute

0~59 Starting minute

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SLIDE 9

DEM EMONS ONSTRA TRATION TION

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SLIDE 10

Using ng a a Solar

  • lar Cal

alculat culator

  • r

And d Solu lution tion Histor

  • ry
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SLIDE 11

Sola lar r Cal alculat culator

  • r

And d Solu lution tion Histor

  • ry