The thermal conductivity nke ụlọ ihe. Isiokwu ụkpụrụ

Nkasi Obi na wuru ụlọ na-adabere na ọtụtụ ihe. Mgbe microclimate na a ụlọ, n'ihi na ihe atụ, na-emetụta ihe kwes conductivity nke ụlọ ihe. Isiokwu data oke-enye gị ohere ịhọrọ ihe kasị kwesị ekwesị ihe onwunwe ike a ala gburugburu ebe obibi n'ụlọ.

N'ihi priozvedennomu ziri ezi ngụkọta oge, ị nwere ike n'ihu zọpụta na kpo oku obibi. Ọbụna ma ọ bụrụ na mbụ na-adọ nke ewu na-emepụta ihe dị oké ọnụ ihe, ha ga-akwụ ụgwọ ihe karịrị oge kpamkpam. Ọ bụrụ na-ewu ihe na-eji, okpomọkụ osisi ike nke-ebute site ná, ọ dị mkpa na-ebu ọzọ na-arụ ọrụ na Okpomoku obibi. Ọ rụrụ, na n'èzí na n'ime ụlọ. Ma ọ bụla ikpe ọ akpọ onye ahụ ọzọ na-akwụ ụgwọ na oge, na ego.

Echiche nke thermal conductivity

Na physics n'okpuru thermal conductive ịghọta okpomọkụ nyefe si hotter ahụ ka obere kpụ ọkụ n'ọnụ dị ka a n'ihi nke kpọmkwem kọntaktị. Site ahụ a pụtara n'isiokwu a atọm, na ụmụ irighiri ihe, ma ọ bụ free electrons.

Ndị dị mfe, okpomọkụ conductivity - ike nke a akpan akpan ihe ruo-ekpo ọkụ. Ọ ga-kwuru na ije nke okpomọkụ ga-anọgide ruo mgbe otu ịha okpomọkụ.

Ọnwụ nke okpomọkụ dị iche iche akụkụ nke ụlọ ndị dị iche iche. Ọ bụrụ na anyị na-ekwu banyere a onwe ụlọ, ka ikpo ọnwụ ga-eme:

• site n'elu ụlọ - na 30 percent;

• site flues eke ventilashion na otú pụta - na 25 percent;

• site mgbidi - ruo 15 percent;

• mgbe ọkara - 15 percent;

• site na windo - ruo 15 percent;

• site contiguity - ruo 15 percent.

N'ihi na ụlọ, ndị a na ọnụ ọgụgụ na-ubé dị iche iche. Weere site n'elu ụlọ na mgbidi ga-ala. Ma site na windo ga-aga a otutu ihe okpomọkụ.

ọnụọgụ nke thermal conductivity

The thermal conductivity nke ihe onwunwe e ji a nkeji oge n'oge nke okpomọkụ agụ ruru ịha. Nke a na-pụtara ìhè site ọnụọgụ nke thermal conductivity nke ụlọ ihe. Isiokwu na-egosi na n'etiti oge na thermal conductivity na nke a, e nwere ihe inverse mmekọrịta. Ya bụ, obere oge na-nọrọ na nyefe nke okpomọkụ, nke ukwuu uru nke thermal conductivity.

Na omume, nke a pụtara na ụlọ ga-ajụkwa ngwa ngwa ma ọ bụrụ na ndị ọzọ bụ thermal conductivity nke ụlọ ihe. Isiokwu nke ụkpụrụ na nke a bụ a kwesịrị. Ọ na-egosi otú ihe okpomọkụ ụlọ tụfuru kwa unit n'ógbè.

Tụlee otu ihe atụ. Adobe nwere a thermal conductivity nke 0,67 kW / (m ² * K) (uru e si na nwoke tebụl). Nke a pụtara na otu square mita nke elu na a ọkpụrụkpụ nke otu mita ga ikwu 0,67 watts okpomọkụ. Nke a bara uru na-nyere na ihe dị iche na okpomọkụ nke abụọ na-ebupụta bụ otu ogo. Site na-amụba ihe dị iche na okpomọkụ ọnwụ nke ruo 10 degrees ama mejupụtara 6.7 watts. N'okpuru ọnọdụ ndị dị otú, mgbe mbenata mgbidi ọkpụrụkpụ site ugboro 10 (i.e., 10 sentimita), okpomọkụ ọnwụ ga-67 watt.

Na-agbanwe agbanwe thermal conductivity

On ụlọ ihe thermal conductivity na-achịkwa iche iche iche iche nke ihe. Isi parameters bụ:

• The njupụta nke ihe onwunwe. Ọ bụrụ na ndị njupụta dị elu, ọ pụtara na ahụ emekọ ike ibe n'ime ihe. Ntem, nyefe nke kwes ike na guzosie okpomọkụ ịha ga-eme. N'ihi ya, nke ukwuu njupụta, mma ihe Site n'ibu okpomọkụ.

• Porosity. Ebe e nwere bụ ndị na-abụghị ọnọdụ. Materials na elu porosity nwere a heterogeneous Ọdịdị. Kasị nke olu nwere site na ikuku, nke nwere a kacha nta ọnụọgụ. okpomọkụ nnyefe site obere pores siri ike. N'ihi ya, thermal conductivity ga-amụba.

• Iru mmiri. Na-abawanye na iru mmiri ga-elu na thermal conductivity nke ụlọ ihe.

The table n'elu na-egosi kpọmkwem ụkpụrụ maka ụfọdụ ihe.

Tụnyere nke thermal conductivity nke ihe na omume

Enweghị uche na onye siri ike ịghọta ihe bụ na-anọchi anya ọnụọgụ nke kwes conductivity nke ụlọ ihe. SNIP-enye kpọmkwem ụkpụrụ na-ẹdude ke table.

Iji mma ịghọta ihe dị iche n'etiti ndị a ụkpụrụ, lee otu ihe atụ. Ka anyị tụnyere a ole na ole dị iche iche ihe. The ego nke okpomọkụ-ebute site ná site na ha nwere ike ime otu ihe ahụ mgbe na-agbanwe agbanwe na mgbidi ọkpụrụkpụ. N'ihi ya, mgbidi ogwe nke ihe (na a na-enye okpomọkụ) 14 sentimita oké ga-eme ka a osisi mgbidi na a ọkpụrụkpụ nke 15 sentimita. Otu uru nke kwes conductivity bụ ahụkarị keramsit 30 sentimita oké, oghere brick 51 cm oké. Ọ bụrụ na anyị na-na-emebu brick, ọ dị mkpa na-ewu mgbidi ọkpụrụkpụ nke 64 cm iji nweta a conductivity.

ala ụkpụrụ

Ọ kpebisiri ike site thermal conductivity nke ụlọ ihe (Isiokwu) SNP na ndị ọzọ na akwụkwọ. N'ihi ya, n'ihi na njikere nke table, nke a na enịm n'elu, ndị na-esonụ akwụkwọ e ji dị ka SNIP 03.11.79, SNIP 23-02-2003, SP 50.13330.2012.

Ọ bụrụ na ụkpụrụ na-adịghị nye chọrọ ụkpụrụ nke thermal conductivity nke ụlọ ihe onwunwe, ọ bụ omume na-amụta site na emeputa. Lee na ngwugwu, ma ọ bụrụ na a nhọrọ na-kpọmkwem n'ebe ahụ. Ụzọ ọzọ si - gaa ukara saịtị nke emeputa.

Dị ka a pụrụ hụrụ, okpomọkụ ọnwụ ngụkọta oge na-arụ ọrụ dị mkpa na-ewu ụlọ. Nke a ga-adabere na larịị nke nkasi obi nke ịbụ n'ime ụlọ. Ya mere, n'oge na imewe ogbo ga-nnọọ nlezianya na-agakwuru ndị nke nke oke nke ụlọ ihe. Nke a ga-ebelata eruba n'ime ego maka kpo oku. Ọkpụrụkpụ nke ihe onwunwe ahọrọ maka nke ọ bụla n'ógbè ga-adị iche. Na ya ga-adabere na Ọnọdụ Ihu Igwe nke bi n'ógbè.