siphons

HEAY TRANSFER
Hear hows hon. warrner io colder bodies, and pisr as
warrn air iransieis hear bu eool solid bodies by day, so
warin bodies can heal large volumes 0! air ai nighr.
bodies rhai are healed erpand, deeaease in densiiy, and
(when lheie is lreedorn ro anorel healed air or waler
rises as CONVECHON CURRENIS,

The (amnion heal unii rs rhai needed ro raise one
grain ol waier train is s-c In we in rerins oi
ineoniinp rudiarioau grain calories per square cenb'inehe
(g/nI/m‘) are ierined LANCLEYS, the sun pmvldes
nbonl z lanyeys/rninule ro ihe ouier abnosphere.

The ouaniiiy ol heal received on earrh is gullly
alleded by:

- laiirude and season (rhe depth of ahnospheiel;

. lhe angle ol slopes (which in Iurn studs ierleeuon
and absorpb-onl; and

- ihe Inwunl ol lee. waier vapour, dusi, or cloud in
lhs airaboye,

This rneans rhai ihe langleys men/ed ai gmnd level
vary widely due io coinbinarions ol ihese laclors
Nevertheless, niosr hornes receive enough sunliphi on
iheir sun-facing areas lo heal rho ware. and spaeo of he
house, ilwe mange ro eapruieihis heal and sioieii.

However, even when the sun is diiedly overhead on
a clear day, only 22% at lhe radiani clingy peneirales
ihe arinosphere ll alinospheie deprhl in polar areas,
wheie hie Ilanllllg sun or 5- elerarion passes ubllquely
through at a disiairee or ii armpheies, as lirile as I%
al ihr inmmg enersy is reeeiyedl slope has siinilar
prolound eheds, so ihal slopes Kiting rowards rhe poles
receive evzn less allergy onin radiabon.

h iollaws rhar sibnp houses on sunelacing ilopes in
lhr leRMAL BELT is a mural energy<unservahun
sualegy in all bur rropiral inalrs, when siting in
shade or in cooling eoasial windslreains ls pielerred
siineiaeing slopes um only absorb inure heal, mil drain
oh eold air as night. ihey he below ihe chilly hilliops.
and aboye ihe cold nlght air ol valley: and plains
lrlpiiie 5.11»,

in hill «mm, and inounlains, ihese rherinal bells
may lie ai mun-5000 in ladmlodm leery, and on
lower hill slopes ai mum in (mesa leer), whereas
in hoi desens «he liosi lmls may only ieaeh \u was
rn. (33.49 leer) up ihe slaps or inesas Each sihialion
needs speeilie inlorinaiion, which we nu galn hobi
local anecdotes, (he observabon oi rx' lln; plants, or
ri-ial phnringbol hoseeiiseepbble species.

Wlndi smelling horn warmer io cooler regions. or
lhe opposire, bring “)va (exoiis, or our oi areal
warinih and cold to local regions Thus we speak or
adveenon lugs where ihese earns inshore rm eoasrs,
and adyeclron lrosrs when cold air llows down
rnouruain slopes io pool in hollows.

The inrasian ol cool areas by warin adyecied air
causes inomure rondensarlon, whreh is ci-iiical lo
precipirsiion in ioresrs, bur a nuisance in enclosed

 

us

 

FIGURE 5.11
BDNVECVIOII LOOP 0R WERMDSIPHUN.
mar applml ll 1- in i nosed loop anus him nor. in he loop in me

 

nnolihe loop is in rmurmmibmhiehbiieusseibrimmrw

 

buildings. Thus, we should aheinpi ro bring only dry
warin air inro wooden houses, or proyide ways ro
diied eonderisabon rnoisnire lo rhe house exlmm‘
lnierinediare grades oi hear can be iransinihed by
CONDUCHON, as whm solids die in eoniacr, h is in
(his way Ihal we hear an enhie floor or will by heabng

ir in one place, and rhi me basis 00' rhe elheieney or
ihe slab-floored house, where rhe floor is previously
insulaied Imm surroundlng earlh. in open
lnnlnsulalzd) sysieins, ronducbon cheers are local, as

 

 

 

A Hum) m EMBEDDED Ill comer: DEMollsmvEs
HDW Hm DIFFUSES m ODLDER was,

I’m unue' hulls mammalian- solid hisuhri urhim w mun by
mud Imuhllw lunmm mlraophu surhh-al

I 'Mlum uran- an: is m' by he mmnb m mm on
elm as insii. urine. mam anM—vrwlim com-walks h-ai.
Hum hubs use.

9 wan arm luv hard: w m-am-Inl minim
and can only bi :n Iwefl by mlerhn (nlflk
«hum lhis rs mm ml sun M: or Em

 

all masons
inn-m iii