Thermal conductivity coefficient zvinhu. The chafariz conductivity pamusoro zvokuvakisa: tafura

Pfungwa simba kuchinjirwa kubva chaizvo nhengo dzomuviri kuti zvishoma nenharo inonzi chafariz conductivity. The Numeric Kukosha izvi zvinoratidza chafariz conductivity zvinhu. Pfungwa iyi inokosha zvikuru pakuvaka uye gadziridzo zvivako. A yakanyatsofungwa zvinhu kubatsira kuumba zvakanaka microclimate mumba uye tichengetedze muchidziisa inokosha mari.

Pfungwa chafariz conductivity

Thermal conductivity - kubva chafariz simba Exchange kwacho kunoitika nokuda kudhumhana worudzi ruduku nezvimedu mumuviri. Uyezve, muitiro uyu haagumiri, kuchauya nguva tembiricha zvakanyatsoenzana. Zvinotora imwe nguva. The yakawanda nguva yakawandisa kupisa Exchange, rezasi ari chafariz conductivity.

Nhamba iyi inoratidzwa sezvo zvinhu coefficient pamusoro chafariz conductivity. Tafura rine chakayerwa tsika vakawanda zvinhu. Kukarukureta chinoitwa maererano nokuwanda chafariz simba achipfuura ari kupiwa pamusoro nzvimbo zvinhu. The yakakura dzaona kukosha, kuti nokukurumidza chinhu vachakupai zvose kupisa kwaro.

Zvinhu kukanganisa chafariz conductivity

Thermal conductivity coefficient mashoko anoenderana zvinoverengeka on:

• The arambe achirema mashoko. By kuwedzera kubata pamusoro chinoratidza zvinhu zvacho hunosimba. Nokudaro, vachaita zvinoparadzira tembiricha nokukurumidza. Izvi zvinoreva kuti pamwe nokuwedzera acho arambe achirema kunonatsiridza kupisa chinja.

• The porosity mashoko. Porous zvinhu zviri heterogeneous mu maumbirwo yavo. Inside pavo pane yakawanda mhepo. Izvi zvinoreva kuti mamorekuru uye zvimwe zvacho zvichava zvakaoma kufamba kupisa. Nokudaro, chafariz conductivity inowedzerawo.

• Humidity uyewo kunokanganisa conductivity. Wet pamusoro zvinhu akapfuura zvakawanda kupisa. Mune dzimwe matafura inoratidza dzaona kunyange kupisa conduction coefficient kwemashoko matatu ezvinhu: yakaoma, svikiro (zvakajairika), uye akanyorova.

Pakusarudza mashoko nokuda kuputira zvivako, zvakakosha zvakare kufunga mamiriro umo zvichaparadzwa kuvhiyiwa.

Pfungwa chafariz conductivity uchidzidzira

The chafariz conductivity inocherechedzwa nhoroondo panguva padariro kuvaka zvakagadzirwa. Kana izvi kufungwa mano zvinhu varambe kupisa. Pamusana kwavo kwakarurama vakasarudzwa varimi mukati meimba achagara akasununguka. Panguva oparesheni zvichaita yekudyidzana kuponesa mari iri kudziyisa.

Warming nemagadzirirwo rwakazara ndiyo yakanakisisa, asi kwete chete mhinduro. Hazvina kuoma kuti sunungukei chivakwa ratova zvakapedzwa kuitisa zvemukati uye kwokunze mabasa. Insulation rukoko ukobvu achavaponesa vakasarudzwa zvinhu. Vamwe vavo (somuenzaniso, huni, furo) anogona mune zvimwe zviitiko kushandiswa pasina okuwedzera kuputira rukoko. The chikuru ndechokuti ukobvu yavo kwazvo 50 masendimita.

Cherechedzai inofanira kubhadharwa kuti mudziye padenga, hwindo uye musuo mawindo, uriri. Kuburikidza zvinhu izvi anosiya kupfuura kupisa. Nemaziso, izvi zvinogona kuonekwa mufananidzo panotangira nyaya.

Structural zvinhu zvavo waivako

Nokuti kuvakwa kwezvivako vachishandisa zvinhu pamwe yakaderera chafariz conductivity. Wekumusoro mukurumbira vari:

• Concrete. chafariz conductivity charo mukati 1,29-1,52Vt / m * K. Chaiwo ukoshi kunoenderana kwemashoko nedhaka. At ichi zvazvingava uyewo kunokanganisa arambe achirema ari kutanga zvinhu, inova 500-2500 makirogiramu / m ^3. Active zvinhu rinoshandiswa senzira mhinduro nokuda nheyo, riri muchimiro zvinogumbura - masvingo uye nheyo.

• Yanyatsosimba ane chafariz conductivity ndiye 1,68Vt / m * K. Material arambe achirema rinosvika 2400-2500 makirogiramu / m ^3.

• Wood, sezvo olden mazuva kushandiswa kuvaka zvinhu. arambe achirema Its uye chafariz conductivity zvichienderana rudzi kunobvumirwa 150-2100 makirogiramu / m ³ uye 0,2-0,23Vt / m * K, ukuwo.

Chimwe nevakawanda chivakwa zvinhu - zvidhinha. Zvichienderana murwiyo ine zvinotevera unhu:

• pamuguri (nevhu): 0.1-0.4 W / m * K;

• zvedongo (kugadzirwa nenzira sintering nzira): 0,35-0,81 W / m * K;

• Silicate (jecha pamwe Kuwedzera kwesuko): 0,82-0,88 W / m * K.

Zvinhu chakagadzirwa nekongiri pamwe kuwedzera porous aggregates

coefficient pakati chafariz conductivity mashoko anobvumira kushandiswa ekupedzisira kuti kuvakwa mumagaraji anoteura, dzimba zhizha, kugeza dzimba nezvimwe ezvirevo. In boka iri zvinosanganisira:

• Furo. Yakabudiswa pamwe kuwedzera vachiridza nevasori, nokuda kuitwa dzinoratidzwa pore chivako chine arambe achirema pamusoro 500-1000 makirogiramu / m ^3. Saka kukwanisa kubvisa kupisa iri pakutsvaga 0,1-0,37Vt / m * K.

• Claydite, ane kuita zvinoenderana ayo mhando. Solid misa havana voids uye maburi. Sezvo voids mukati akaita mhango kutigumbura, izvo zvishoma yakasimba pane wokutanga musimboti. Kana yechipiri chafariz conductivity dererei. Kana tikafunga zvinonakisa nemifananidzo, kuti arambe achirema iri keramsit 500-1800kg / m3. indekisi Its ari 0,14-0,65Vt / m * K siyana.

• Aerated kongiri, iyo yakaumbwa mukati pore kukura 1-3 millimeters. mamiriro ichi anosarudza mashoko arambe achirema kwemashoko (300-800kg / m ^3). Nokuda chinhu ichi chinosvika 0.1-0.3 W / m * K.

Zviratidzi ose kumbogadzirwa kuti mudziye nezvinhu

The chafariz conductivity pamusoro kumbogadzirwa kuti mudziye zvokuvakisa, zvikuru nevanhu munguva yedu:

• furo ine arambe achirema kuti 15-50kg / m ^3, chafariz conductivity - 0,031-0,033Vt / m * K;

• polystyrene furo, iro arambe achirema iyo yakafanana kuti yapfuura zvinhu. Asi panguva imwe chete kupisa kutapurirana coefficient iri 0,029-0,036Vt / m * K chechetere;

• girazi shinda. Dzinoratidzwa coefficient wakaenzana 0,038-0,045Vt / m * K;

• dombo shinda nechiidzo 0,035-0,042Vt / m * K.

The bhokisi chibozwa

Zvivanakire, mashoko chafariz conductivity kwemashoko yatorwa tabulated. Kunze coefficient inogona kuratidzei parameters akadai mwero mwando, arambe achirema uye nevamwe. Zvinhu dzakakwirira chafariz conductivity pamwe zviratidzi mu Table pasi chafariz conductivity. A nzwisa tafura iri pasi apa:

Achishandisa chafariz conductivity kwemashoko kuchaita kuvaka achida kuvaka. The chikuru ndechokuti kusarudza chigadzirwa rinonangana zvakafanira zvose zvinodiwa. Zvino chivako kuti vakasununguka kuti vapenyu; zvicharamba yakanaka microclimate.

Zvakanaka yasarudzwa kuputira zvinhu kunoderedza kupisa kurasikirwa, nokuda iyo havachazofaniri kuti "kudziyisa mumugwagwa." Pamusana mari iyi nemari kudziyisa uchaderedzwa yekudyidzana. mari izvi kuchaita nokukurumidza kudzoka zvose mari yakawandisa kutengwa chafariz insulator.