Mai Canza Zafin Jiki
Daga Cikakken Sifili zuwa Tsakiyar Taurari: Kwarewa a Duk Sikeli na Zafin Jiki
Zafin jiki yana sarrafa komai daga injiniyan kirar kwayoyin halitta zuwa hadewar taurari, daga tsare-tsaren masana'antu zuwa kwanciyar hankali na yau da kullun. Wannan jagorar mai iko ta kunshi duk manyan sikeli (Kelvin, Celsius, Fahrenheit, Rankine, Réaumur, Delisle, Newton, Rømer), bambance-bambancen zafin jiki (Δ°C, Δ°F, Δ°R), matsanancin kimiyya (mK, μK, nK, eV), da maki masu amfani — an inganta shi don bayyana, daidaito, da SEO.
Abin da Zaku Iya Juyawa
Wannan mai juyawa yana sarrafa fiye da raka'o'in zafin jiki 30 ciki har da sikeli cikakku (Kelvin, Rankine), sikeli masu alaƙa (Celsius, Fahrenheit), sikeli na tarihi (Réaumur, Delisle, Newton, Rømer), raka'o'in kimiyya (daga millikelvin zuwa megakelvin, electronvolts), bambance-bambancen zafin jiki (Δ°C, Δ°F), da sikeli na dafa abinci (Gas Mark). Yi juyin juya hali daidai a duk ma'aunin zafin jiki na thermodynamic, kimiyya, da na yau da kullun.
Sikeli na Zafin Jiki na Asali
Kelvin (K) - Sikeli na Zafin Jiki Cikakke
Raka'ar tushe ta SI don zafin jiki na thermodynamic. Tun daga 2019, an ayyana Kelvin ta hanyar daidaita madaidaicin Boltzmann (k_B = 1.380649×10⁻²³ J·K⁻¹). Sikeli ne cikakke tare da 0 K a cikakken sifili, wanda yake da mahimmanci ga thermodynamics, cryogenics, injiniyan kididdiga, da ingantattun lissafin kimiyya.
Sikeli na Kimiyya (Cikakku)
Raka'ar Tushe: Kelvin (K) - An Yi Nuni da Cikakken Sifili
Fa'idodi: lissafin thermodynamic, injiniyan kirar kwayoyin halitta, ilimin lissafin kididdiga, daidaito kai tsaye ga kuzarin kwayoyin halitta
Amfani: duk binciken kimiyya, binciken sararin samaniya, cryogenics, superconductivity, ilimin lissafin kwayoyin halitta
- Kelvin (K) - Sikeli CikakkeSikeli cikakke yana farawa daga 0 K; girman digiri daidai yake da Celsius. Ana amfani da shi a cikin dokokin iskar gas, hasken baƙin jiki, cryogenics, da lissafin thermodynamic
- Celsius (°C) - Sikeli da ya Dogara da RuwaAn ayyana shi ta hanyar sauye-sauyen yanayin ruwa a matsin lamba na yau da kullun (0°C daskarewa, 100°C tafasa); girman digiri daidai yake da Kelvin. Ana amfani da shi sosai a cikin dakunan gwaje-gwaje, masana'antu, da rayuwar yau da kullun a duk duniya
- Rankine (°R) - Cikakken FahrenheitAbokin takara cikakke ga Fahrenheit tare da girman digiri iri ɗaya; 0°R = cikakken sifili. Ya zama ruwan dare a cikin thermodynamics da injiniyan sararin samaniya na Amurka
Sikeli na Tarihi & Yankuna
Raka'ar Tushe: Fahrenheit (°F) - Sikeli na Jin Daɗin Dan Adam
Fa'idodi: daidaito a sikelin ɗan adam don yanayi, lura da zafin jiki na jiki, sarrafa jin daɗi
Amfani: Amurka, wasu ƙasashen Caribbean, rahoton yanayi, aikace-aikacen likita
- Fahrenheit (°F) - Sikeli na Jin Daɗin Dan AdamSikeli da ya shafi ɗan adam: ruwa yana daskarewa a 32°F kuma yana tafasa a 212°F (1 atm). Ya zama ruwan dare a cikin yanayin yanayi na Amurka, HVAC, dafa abinci, da yanayin likita
- Réaumur (°Ré) - Tarihin TuraiSikeli na tarihi na Turai tare da 0°Ré a wurin daskarewa da 80°Ré a wurin tafasa. Har yanzu ana magana a kai a cikin tsoffin girke-girke da wasu masana'antu
- Newton (°N) - Kimiyya na TarihiIsaac Newton ne ya gabatar da shi (1701) tare da 0°N a wurin daskarewa da 33°N a wurin tafasa. Galibi yana da sha'awar tarihi a yau
Mahimman Ka'idodin Sikeli na Zafin Jiki
- Kelvin (K) shine sikelin cikakke wanda ya fara daga 0 K (cikakken sifili) - yana da mahimmanci ga lissafin kimiyya
- Celsius (°C) yana amfani da maki na ruwa: 0°C daskarewa, 100°C tafasa a matsin lamba na yau da kullun
- Fahrenheit (°F) yana ba da daidaito a sikelin ɗan adam: 32°F daskarewa, 212°F tafasa, ya zama ruwan dare a yanayin Amurka
- Rankine (°R) yana haɗa ma'anar cikakken sifili da girman digiri na Fahrenheit don injiniyanci
- Duk aikin kimiyya ya kamata ya yi amfani da Kelvin don lissafin thermodynamic da dokokin iskar gas
Juyin Halittar Auna Zafin Jiki
Zamanin Farko: Daga Hankalin Dan Adam zuwa Kayan Aikin Kimiyya
Kimanin Zafin Jiki na Tsohuwar Zamani (Kafin 1500 CE)
Kafin Thermometers: Hanyoyin da suka Dogara da Dan Adam
- Gwajin taɓa hannu: Tsoffin maƙera suna auna zafin jikin ƙarfe ta hanyar taɓawa - yana da mahimmanci don ƙirƙirar makamai da kayan aiki
- Gane launi: ƙona tukwane ya dogara da launin wuta da yumɓu - ja, lemu, rawaya, fari suna nuna zafi mai ƙaruwa
- Kallon hali: Canjin halin dabba tare da zafin jiki na muhalli - tsarin ƙaura, alamun barcin hunturu
- Alamun shuka: Canjin ganye, tsarin fure a matsayin jagororin zafin jiki - kalandun noma da suka dogara da phenology
- Yanayin ruwa: ƙanƙara, ruwa, tururi - farkon ma'anar zafin jiki na duniya a duk al'adu
Kafin kayan aiki, wayewa suna kimanta zafin jiki ta hanyar hankalin ɗan adam da alamun halitta — gwajin taɓawa, launi na wuta da kayan aiki, halin dabba, da zagayowar shuka — wanda ya kafa tushen ilimin zafin jiki na farko.
Haihuwar Thermometry (1593-1742)
Juyin Juya Halin Kimiyya: Ƙididdige Zafin Jiki
- 1593: Thermoscope na Galileo - Na'urar auna zafin jiki ta farko da ke amfani da faɗaɗawar iska a cikin bututu mai cike da ruwa
- 1654: Ferdinand II na Tuscany - Ma'aunin zafin jiki na farko da aka rufe da ruwa a cikin gilashi (barasa)
- 1701: Isaac Newton - Ya gabatar da sikelin zafin jiki tare da 0°N a wurin daskarewa, 33°N a zafin jiki na jiki
- 1714: Gabriel Fahrenheit - Ma'aunin zafin jiki na mercury da sikelin da aka daidaita (32°F daskarewa, 212°F tafasa)
- 1730: René Réaumur - Ma'aunin zafin jiki na barasa tare da sikelin 0°r daskarewa, 80°r tafasa
- 1742: Anders Celsius - Sikelin Centigrade tare da 0°C daskarewa, 100°C tafasa (asali an juye shi!)
- 1743: Jean-Pierre Christin - Ya juya sikelin Celsius zuwa siffar zamani
Juyin juya halin kimiyya ya canza zafin jiki daga jin daɗi zuwa awo. Daga thermoscope na Galileo zuwa ma'aunin zafin jiki na mercury na Fahrenheit da sikelin centigrade na Celsius, kayan aiki sun ba da damar ingantaccen ma'aunin zafin jiki mai maimaitawa a duk faɗin kimiyya da masana'antu.
Gano Cikakken Zafin Jiki (1702-1854)
Neman Cikakken Sifili (1702-1848)
Gano Iyakancin Zafin Jiki na Ƙasa
- 1702: Guillaume Amontons - Ya lura cewa matsin iskar gas yana zuwa 0 a yanayin zafi akai-akai, yana nuna cikakken sifili
- 1787: Jacques Charles - Ya gano cewa iskar gas tana raguwa da 1/273 a kowace °C (Dokar Charles)
- 1802: Joseph Gay-Lussac - Ya inganta dokokin iskar gas, yana ƙididdige zuwa -273°C a matsayin mafi ƙarancin ka'ida
- 1848: William Thomson (Lord Kelvin) - Ya gabatar da sikelin zafin jiki cikakke wanda ya fara daga -273.15°C
- 1854: An karɓi sikelin Kelvin - 0 K a matsayin cikakken sifili, girman digiri daidai da Celsius
Gwaje-gwajen dokar iskar gas sun bayyana ainihin iyakancin zafin jiki. Ta hanyar ƙididdige ƙarar iskar gas da matsin lamba zuwa sifili, masana kimiyya sun gano cikakken sifili (-273.15°C), wanda ya haifar da sikelin Kelvin—mai mahimmanci ga thermodynamics da injiniyan kididdiga.
Zamanin Zamani: Daga Kayan Tarihi zuwa Tsayayyun Ka'idoji
Daidaitawar Zamani (1887-2019)
Daga Matsayin Jiki zuwa Tsayayyun Ka'idoji
- 1887: Ofishin Ma'auni da Nauyi na Duniya - Matsayin zafin jiki na farko na duniya
- 1927: Sikelin Zafin Jiki na Duniya (ITS-27) - Ya dogara da maki 6 masu tsayayye daga O₂ zuwa Au
- 1948: Celsius ya maye gurbin 'centigrade' a hukumance - ƙudurin CGPM na 9
- 1954: Matsayin ruwa sau uku (273.16 K) - An ayyana shi a matsayin ainihin ma'anar Kelvin
- 1967: Kelvin (K) an karɓe shi a matsayin raka'ar tushe ta SI - Ya maye gurbin 'digiri Kelvin' (°K)
- 1990: ITS-90 - Sikelin zafin jiki na duniya na yanzu tare da maki 17 masu tsayayye
- 2019: Sake fasalin SI - Kelvin an ayyana shi ta hanyar madaidaicin Boltzmann (k_B = 1.380649×10⁻²³ J·K⁻¹)
Ma'aunin zafin jiki na zamani ya samo asali daga kayan tarihi na jiki zuwa ainihin ilimin lissafi. Sake fasalin na 2019 ya kafa Kelvin zuwa madaidaicin Boltzmann, yana sa ma'aunin zafin jiki ya zama mai yiwuwa a ko'ina a cikin sararin samaniya ba tare da dogaro da ma'aunin kayan aiki ba.
Dalilin da yasa Sake fasalin 2019 ke da Mahimmanci
Sake fasalin Kelvin yana wakiltar canjin tsari daga ma'auni na kayan aiki zuwa ma'auni na ilimin lissafi.
- Maimaitawar Duniya: Duk wani dakin gwaje-gwaje da ke da ma'aunin quantum zai iya gane Kelvin da kansa
- Tsawon Lokaci Mai Dorewa: Madaidaicin Boltzmann baya canzawa, baya lalacewa, ko buƙatar ajiya
- Matsanancin Zafin Jiki: Yana ba da damar auna daidai daga nanokelvin zuwa gigakelvin
- Fasahar Quantum: Yana tallafawa binciken lissafin quantum, cryogenics, da superconductivity
- Ilimin Lissafi na Asali: Dukkan raka'o'in tushe na SI yanzu an ayyana su ta hanyar madaidaicin yanayi
Juyin Halittar Auna Zafin Jiki
- Hanyoyin farko sun dogara da taɓawa na son rai da abubuwan da ke faruwa na halitta kamar narkewar ƙanƙara
- 1593: Galileo ya ƙirƙiro thermoscope na farko, wanda ya haifar da auna zafin jiki mai yawa
- 1724: Daniel Fahrenheit ya daidaita ma'aunin zafin jiki na mercury tare da sikelin da muke amfani da shi a yau
- 1742: Anders Celsius ya ƙirƙiro sikelin centigrade bisa ga sauye-sauyen yanayin ruwa
- 1848: Lord Kelvin ya kafa sikelin zafin jiki cikakke, mai mahimmanci ga ilimin lissafi na zamani
Taimakon Tunawa & Dabaru Masu Saurin Juyawa
Juyawa Mai Saurin Tunani
Ƙididdiga masu sauri don amfanin yau da kullun:
- C zuwa F (kimanin): Ninka shi sau biyu, ƙara 30 (misali, 20°C → 40+30 = 70°F, ainihin: 68°F)
- F zuwa C (kimanin): Rage 30, raba shi gida biyu (misali, 70°F → 40÷2 = 20°C, ainihin: 21°C)
- C zuwa K: Kawai ƙara 273 (ko ainihin 273.15 don daidaito)
- K zuwa C: Rage 273 (ko ainihin 273.15)
- F zuwa K: Ƙara 460, ninka da 5/9 (ko amfani da (F+459.67)×5/9 daidai)
Daidaitattun Dabarun Juyawa
Don daidaitattun lissafi:
- C zuwa F: F = (C × 9/5) + 32 ko F = (C × 1.8) + 32
- F zuwa C: C = (F - 32) × 5/9
- C zuwa K: K = C + 273.15
- K zuwa C: C = K - 273.15
- F zuwa K: K = (F + 459.67) × 5/9
- K zuwa F: F = (K × 9/5) - 459.67
Mahimman Zafin Jiki na Magana
Haddace waɗannan maki:
- Cikakken sifili: 0 K = -273.15°C = -459.67°F (mafi ƙarancin zafin jiki mai yiwuwa)
- Ruwa yana daskarewa: 273.15 K = 0°C = 32°F (matsin lamba 1 atm)
- Matsayin ruwa sau uku: 273.16 K = 0.01°C (ainihin ma'anar ma'ana)
- Zafin jiki na ɗaki: ~293 K = 20°C = 68°F (yanayi mai daɗi)
- Zafin jiki na jiki: 310.15 K = 37°C = 98.6°F (zafin jiki na ainihi na ɗan adam)
- Ruwa yana tafasa: 373.15 K = 100°C = 212°F (1 atm, matakin teku)
- Matsakaicin tanda: ~450 K = 180°C = 356°F (Gas Mark 4)
Bambance-bambancen Zafin Jiki (Tsakanin)
Fahimtar raka'o'in Δ (delta):
- Canjin 1°C = canjin 1 K = canjin 1.8°F = canjin 1.8°R (girma)
- Yi amfani da alamar Δ don bambance-bambance: Δ°C, Δ°F, ΔK (ba zafin jiki cikakke ba)
- Misali: Idan zafin jiki ya tashi daga 20°C zuwa 25°C, wannan canji ne na Δ5°C = Δ9°F
- Kada a taɓa ƙarawa/ragewa zafin jiki cikakke a cikin sikeli daban-daban (20°C + 30°F ≠ 50 komai!)
- Don tsakanin, Kelvin da Celsius iri ɗaya ne (tsakanin 1 K = tsakanin 1°C)
Kuskuren da ya Kamata a Guji
- Kelvin BA shi da alamar digiri: Rubuta 'K', ba '°K' ba (an canza a 1967)
- Kada a rikita zafin jiki cikakke da bambance-bambance: 5°C ≠ Δ5°C a cikin mahallin
- Ba za a iya ƙarawa/ninka zafin jiki kai tsaye ba: 10°C × 2 ≠ 20°C makamashin zafi daidai
- Rankine cikakken Fahrenheit ne: 0°R = cikakken sifili, BA 0°F ba
- Kelvin mara kyau ba zai yiwu ba: 0 K shine mafi ƙarancin cikakke (ban da keɓancewar quantum)
- Gas Mark ya bambanta da tanda: GM4 shine ~180°C amma yana iya zama ±15°C dangane da alama
- Celsius ≠ Centigrade a tarihi: Sikelin Celsius asali an juye shi (daskarewa 100°, tafasa 0°!)
Tukwici na Aiki game da Zafin Jiki
- Yanayi: Haddace mahimman maki (0°C=daskarewa, 20°C=mai daɗi, 30°C=zafi, 40°C=matsananci)
- Dafa abinci: Zafin jiki na cikin nama yana da mahimmanci don aminci (165°F/74°C don kaji)
- Kimiyya: Koyaushe yi amfani da Kelvin don lissafin thermodynamic (dokokin iskar gas, entropy)
- Tafiya: Amurka tana amfani da °F, yawancin duniya suna amfani da °C - san kusan juyawa
- Zazzabi: Zafin jiki na yau da kullun 37°C (98.6°F); zazzabi yana farawa kusan 38°C (100.4°F)
- Tsayi: Ruwa yana tafasa a ƙananan yanayin zafi yayin da tsayi ke ƙaruwa (~95°C a 2000m)
Aikace-aikacen Zafin Jiki a Masana'antu
Masana'antar Masana'antu
- Gudanar da Karfe & KirƙiraYin ƙarfe (∼1538°C), sarrafa haɗin ƙarfe, da lanƙwan maganin zafi suna buƙatar auna zafin jiki mai girma don inganci, tsarin ƙwayoyin halitta, da aminci
- Kimiyya & Man FeturRagewa, sake fasalin, polymerisation, da ginshiƙan narkewa sun dogara da ingantaccen bayanin zafin jiki don yawan amfanin ƙasa, aminci, da inganci a cikin faɗin jeri
- Lantarki & Na'urorin LantarkiƘona tanda (1000°C+), tagogin ajiya/yanka, da tsauraran matakan sarrafa ɗaki mai tsabta (±0.1°C) suna tallafawa aikin na'urori masu ci gaba da yawan amfanin ƙasa
Lafiya & Kula da Lafiya
- Lura da Zafin Jiki na JikiMatsakaicin zafin jiki na yau da kullun 36.1–37.2°C; iyakokin zazzabi; sarrafa yanayin zafi mai ƙasa/sama; ci gaba da lura a cikin kulawa mai zurfi da tiyata
- Ajiyar MagungunaSarkar sanyi ta alluran rigakafi (2–8°C), injin daskarewa mai sanyi sosai (har zuwa −80°C), da bin diddigin balaguro don magunguna masu saurin kamuwa da zafin jiki
- Daidaita Kayan Aikin LikitaKashe ƙwayoyin cuta (autoclaves a 121°C), maganin sanyi (−196°C ruwan nitrogen), da daidaita na'urorin bincike da na jinya
Binciken Kimiyya
- Fizis & Kimiyyar Kayan AikiSuperconductivity kusa da 0 K, cryogenics, sauye-sauyen yanayi, fizis na plasma (kewayon megakelvin), da auna daidai
- Binciken KimiyyaSaurin amsawa da daidaito, sarrafa samuwar lu'ulu'u, da kwanciyar hankali na zafi yayin hadawa da nazari
- Sararin Samaniya & Jirgin SamaTsarin kariya daga zafi, man fetur na cryogen (LH₂ a −253°C), daidaiton zafin jiki na jiragen sama, da nazarin yanayin sararin samaniya na duniyoyi
Fasahar Dafa Abinci & Tsaron Abinci
- Gasa Mai Daidaito & Kayan zakiTabbatar da burodi (26–29°C), daidaita cakulan (31–32°C), matakan sukari, da sarrafa bayanin tanda don samun sakamako mai daidaito
- Tsaron Nama & InganciZafin jiki na ciki mai aminci (kaji 74°C, naman sa 63°C), ci gaba da dafa abinci, teburan sous-vide, da bin ka'idodin HACCP
- Adana Abinci & TsaroYankin haɗari na abinci (4–60°C), sanyaya da sauri, amincin sarkar sanyi, da sarrafa ci gaban ƙwayoyin cuta
Aikace-aikacen Zafin Jiki na Gaskiya
- Tsarin masana'antu yana buƙatar ingantaccen sarrafa zafin jiki don ilimin karafa, sinadarai, da kera na'urorin lantarki
- Aikace-aikacen likita sun haɗa da lura da zafin jiki na jiki, ajiyar magunguna, da hanyoyin kashe ƙwayoyin cuta
- Fasahar dafa abinci ta dogara da takamaiman yanayin zafi don amincin abinci, ilmin sinadarai na yin burodi, da shirya nama
- Binciken kimiyya yana amfani da matsanancin yanayin zafi daga cryogenics (mK) zuwa fizis na plasma (MK)
- Tsarin HVAC yana inganta jin daɗin ɗan adam ta amfani da sikeli na zafin jiki na yanki da sarrafa zafi
Sararin Samaniya na Matsanancin Zafin Jiki
Daga Sifilin Quantum zuwa Haduwar Sararin Samaniya
Zafin jiki ya bazu a cikin fiye da 32 na girma a cikin mahallin da aka yi nazari — daga iskar gas na nanokelvin kusa da cikakken sifili zuwa plasma na megakelvin da tsakiyar taurari. Taswirar wannan kewayon tana haskaka al'amarin, kuzari, da halayyar yanayi a duk faɗin sararin samaniya.
Abubuwan da ke faruwa na Zafin Jiki na Duniya
| Abin da ya faru | Kelvin (K) | Celsius (°C) | Fahrenheit (°F) | Muhimmancin Jiki |
|---|---|---|---|---|
| Cikakken Sifili (Ka'ida) | 0 K | -273.15°C | -459.67°F | Duk motsin kwayoyin halitta ya tsaya, yanayin ƙasa na quantum |
| Matsayin Tafasar Ruwan Helium | 4.2 K | -268.95°C | -452.11°F | Superconductivity, abubuwan da ke faruwa na quantum, fasahar sararin samaniya |
| Tafasar Ruwan Nitrogen | 77 K | -196°C | -321°F | Adanar cryogen, maganadisu masu superconductivity |
| Matsayin Daskarewar Ruwa | 273.15 K | 0°C | 32°F | Adanar rayuwa, yanayin yanayi, ma'anar Celsius |
| Zafin Jiki na Daki Mai Daɗi | 295 K | 22°C | 72°F | Jin daɗin zafin jiki na ɗan adam, sarrafa yanayin gini |
| Zafin Jiki na Jikin Dan Adam | 310 K | 37°C | 98.6°F | Ingantaccen ilimin halittar jikin ɗan adam, alamar lafiyar likita |
| Matsayin Tafasar Ruwa | 373 K | 100°C | 212°F | Ƙarfin tururi, dafa abinci, ma'anar Celsius/Fahrenheit |
| Gasa a Tanda na Gida | 450 K | 177°C | 350°F | Shirin abinci, sinadarai a cikin dafa abinci |
| Matsayin Narkewar Gubar | 601 K | 328°C | 622°F | Aikin ƙarfe, sayar da lantarki |
| Matsayin Narkewar Ƙarfe | 1811 K | 1538°C | 2800°F | Samar da ƙarfe, aikin ƙarfe na masana'antu |
| Zafin Jiki na Fuskokin Rana | 5778 K | 5505°C | 9941°F | Fizis na taurari, kuzarin rana, bakan haske |
| Zafin Jiki na Tsakiyar Rana | 15,000,000 K | 15,000,000°C | 27,000,000°F | Haduwar nukiliya, samar da kuzari, juyin halittar taurari |
| Zafin Jiki na Planck (Matsakaicin Ka'ida) | 1.416784 × 10³² K | 1.416784 × 10³² °C | 2.55 × 10³² °F | Iyakacin ilimin lissafi na ka'ida, yanayin Big Bang, nauyi na quantum (CODATA 2018) |
Gaskiya Masu Ban Mamaki game da Zafin Jiki
Zafin jiki mafi sanyi da aka taɓa samu ta hanyar wucin gadi shine 0.0000000001 K - kashi ɗaya cikin goma na biliyan na digiri sama da cikakken sifili, ya fi sanyi fiye da sararin samaniya!
Tashoshin walƙiya suna kaiwa zafin jiki na 30,000 K (53,540°F) - sau biyar zafi fiye da saman Rana!
Jikinka yana samar da zafi daidai da kwan fitila mai ƙarfin watt 100, yana kiyaye ainihin zafin jiki a cikin ±0.5°C don tsira!
Muhimman Juyin Zafin Jiki
Misalan Juyawa Masu Sauri
25°C (Zafin Jiki na Daki)→77°F
100°F (Rana Mai Zafi)→37.8°C
273 K (Ruwa na Daskarewa)→0°C
27°C (Rana Mai Dumi)→300 K
672°R (Ruwa na Tafasa)→212°F
Tsare-tsaren Juyawa na Canon
| Celsius zuwa Fahrenheit | °F = (°C × 9/5) + 32 | 25°C → 77°F |
| Fahrenheit zuwa Celsius | °C = (°F − 32) × 5/9 | 100°F → 37.8°C |
| Celsius zuwa Kelvin | K = °C + 273.15 | 27°C → 300.15 K |
| Kelvin zuwa Celsius | °C = K − 273.15 | 273.15 K → 0°C |
| Fahrenheit zuwa Kelvin | K = (°F + 459.67) × 5/9 | 68°F → 293.15 K |
| Kelvin zuwa Fahrenheit | °F = (K × 9/5) − 459.67 | 373.15 K → 212°F |
| Rankine zuwa Kelvin | K = °R × 5/9 | 491.67°R → 273.15 K |
| Kelvin zuwa Rankine | °R = K × 9/5 | 273.15 K → 491.67°R |
| Réaumur zuwa Celsius | °C = °Ré × 5/4 | 80°Ré → 100°C |
| Delisle zuwa Celsius | °C = 100 − (°De × 2/3) | 0°De → 100°C; 150°De → 0°C |
| Newton zuwa Celsius | °C = °N × 100/33 | 33°N → 100°C |
| Rømer zuwa Celsius | °C = (°Rø − 7.5) × 40/21 | 60°Rø → 100°C |
| Celsius zuwa Réaumur | °Ré = °C × 4/5 | 100°C → 80°Ré |
| Celsius zuwa Delisle | °De = (100 − °C) × 3/2 | 0°C → 150°De; 100°C → 0°De |
| Celsius zuwa Newton | °N = °C × 33/100 | 100°C → 33°N |
| Celsius zuwa Rømer | °Rø = (°C × 21/40) + 7.5 | 100°C → 60°Rø |
Maki na Magana na Zafin Jiki na Duniya
| Makin Magana | Kelvin (K) | Celsius (°C) | Fahrenheit (°F) | Amfani Mai Aiki |
|---|---|---|---|---|
| Cikakken Sifili | 0 K | -273.15°C | -459.67°F | Mafi ƙarancin ka'ida; yanayin ƙasa na quantum |
| Matsayin Ruwa Sau Uku | 273.16 K | 0.01°C | 32.018°F | Daidaitaccen ma'anar thermodynamic; daidaitawa |
| Matsayin Daskarewar Ruwa | 273.15 K | 0°C | 32°F | Tsaron abinci, yanayi, anka na tarihi na Celsius |
| Zafin Jiki na Daki | 295 K | 22°C | 72°F | Jin daɗin ɗan adam, wurin zayyana HVAC |
| Zafin Jiki na Jikin Dan Adam | 310 K | 37°C | 98.6°F | Alamar rayuwa ta asibiti; lura da lafiya |
| Matsayin Tafasar Ruwa | 373.15 K | 100°C | 212°F | Dafa abinci, kashe ƙwayoyin cuta, ƙarfin tururi (1 atm) |
| Gasa a Tanda na Gida | 450 K | 177°C | 350°F | Saitin gasa na yau da kullun |
| Tafasar Ruwan Nitrogen | 77 K | -196°C | -321°F | Cryogenics da adanawa |
| Matsayin Narkewar Gubar | 601 K | 328°C | 622°F | Sayarwa, ilimin karafa |
| Matsayin Narkewar Ƙarfe | 1811 K | 1538°C | 2800°F | Samar da ƙarfe |
| Zafin Jiki na Fuskokin Rana | 5778 K | 5505°C | 9941°F | Fizis na rana |
| Bayanin Microwave na Sararin Samaniya | 2.7255 K | -270.4245°C | -454.764°F | Sauran hasken Big Bang |
| Busasshen Ƙanƙara (CO₂) Sublimation | 194.65 K | -78.5°C | -109.3°F | Sufurin abinci, tasirin hazo, sanyaya dakin gwaje-gwaje |
| Matsayin Helium Lambda (Canjin He-II) | 2.17 K | -270.98°C | -455.76°F | Canjin Superfluid; cryogenics |
| Tafasar Ruwan Oxygen | 90.19 K | -182.96°C | -297.33°F | Masu kunna wutar roka, iskar oxygen na likita |
| Matsayin Daskarewar Mercury | 234.32 K | -38.83°C | -37.89°F | Iyakokin ruwan ma'aunin zafin jiki |
| Mafi Girman Zafin Jiki na Iska da aka Auna | 329.85 K | 56.7°C | 134.1°F | Death Valley (1913) — an yi jayayya; an tabbatar kwanan nan ~54.4°C |
| Mafi Ƙarancin Zafin Jiki na Iska da aka Auna | 183.95 K | -89.2°C | -128.6°F | Tashar Vostok, Antarctica (1983) |
| Bada Kofi (zafi, mai daɗi) | 333.15 K | 60°C | 140°F | Shan daɗi; >70°C yana ƙara haɗarin ƙonewa |
| Pasteurization na Madara (HTST) | 345.15 K | 72°C | 161.6°F | Zafin Jiki Mai Girma, Ƙanƙanin Lokaci: 15 s |
Matsayin Tafasar Ruwa vs Tsayi (kimanin)
| Tsayi | Celsius (°C) | Fahrenheit (°F) | Bayanan kula |
|---|---|---|---|
| Matsayin teku (0 m) | 100°C | 212°F | Matsayin lamba na yau da kullun (1 atm) |
| 500 m | 98°C | 208°F | Kimanin |
| 1,000 m | 96.5°C | 205.7°F | Kimanin |
| 1,500 m | 95°C | 203°F | Kimanin |
| 2,000 m | 93°C | 199°F | Kimanin |
| 3,000 m | 90°C | 194°F | Kimanin |
Bambance-bambancen Zafin Jiki vs Zafin Jiki Cikakke
Raka'o'in bambanci suna auna tsakanin (canje-canje) maimakon yanayin cikakke.
- 1 Δ°C daidai yake da 1 K (girma iri ɗaya)
- 1 Δ°F daidai yake da 1 Δ°R daidai da 5/9 K
- Yi amfani da Δ don haɓaka/raguwar zafin jiki, gangara, da juriya
| Raka'ar Tsakanin | Daidai da (K) | Bayanan kula |
|---|---|---|
| Δ°C (bambancin digiri Celsius) | 1 K | Girma iri ɗaya da tsakanin Kelvin |
| Δ°F (bambancin digiri Fahrenheit) | 5/9 K | Girma iri ɗaya da Δ°R |
| Δ°R (bambancin digiri Rankine) | 5/9 K | Girma iri ɗaya da Δ°F |
Juyawar Gas Mark na Dafa Abinci (Kimanin)
Gas Mark shine kimanin saitin tanda; tanda guda ɗaya sun bambanta. Koyaushe tabbatar da ma'aunin zafin jiki na tanda.
| Gas Mark | Celsius (°C) | Fahrenheit (°F) |
|---|---|---|
| 1/4 | 107°C | 225°F |
| 1/2 | 121°C | 250°F |
| 1 | 135°C | 275°F |
| 2 | 149°C | 300°F |
| 3 | 163°C | 325°F |
| 4 | 177°C | 350°F |
| 5 | 191°C | 375°F |
| 6 | 204°C | 400°F |
| 7 | 218°C | 425°F |
| 8 | 232°C | 450°F |
| 9 | 246°C | 475°F |
Cikakken Kundin Raka'o'in Zafin Jiki
Sikeli Cikakku
| ID na Raka'a | Suna | Alama | Bayanin | Juyawa zuwa Kelvin | Juyawa daga Kelvin |
|---|---|---|---|---|---|
| K | kelvin | K | Raka'ar tushe ta SI don zafin jiki na thermodynamic. | K = K | K = K |
| water-triple | matsayin-ruwa-uku | TPW | Ma'anar asali: 1 TPW = 273.16 K | K = TPW × 273.16 | TPW = K ÷ 273.16 |
Sikeli masu Alaƙa
| ID na Raka'a | Suna | Alama | Bayanin | Juyawa zuwa Kelvin | Juyawa daga Kelvin |
|---|---|---|---|---|---|
| C | Celsius | °C | Sikeli da ya dogara da ruwa; girman digiri daidai yake da Kelvin | K = °C + 273.15 | °C = K − 273.15 |
| F | Fahrenheit | °F | Sikeli da ya shafi ɗan adam da ake amfani da shi a Amurka | K = (°F + 459.67) × 5/9 | °F = (K × 9/5) − 459.67 |
| R | Rankine | °R | Cikakken Fahrenheit tare da girman digiri iri ɗaya da °F | K = °R × 5/9 | °R = K × 9/5 |
Sikeli na Tarihi
| ID na Raka'a | Suna | Alama | Bayanin | Juyawa zuwa Kelvin | Juyawa daga Kelvin |
|---|---|---|---|---|---|
| Re | Réaumur | °Ré | 0°Ré daskarewa, 80°Ré tafasa | K = (°Ré × 5/4) + 273.15 | °Ré = (K − 273.15) × 4/5 |
| De | Delisle | °De | Salon juyawa: 0°De tafasa, 150°De daskarewa | K = 373.15 − (°De × 2/3) | °De = (373.15 − K) × 3/2 |
| N | Newton | °N | 0°N daskarewa, 33°N tafasa | K = 273.15 + (°N × 100/33) | °N = (K − 273.15) × 33/100 |
| Ro | Rømer | °Rø | 7.5°Rø daskarewa, 60°Rø tafasa | K = 273.15 + ((°Rø − 7.5) × 40/21) | °Rø = ((K − 273.15) × 21/40) + 7.5 |
Kimiyya & Matsananci
| ID na Raka'a | Suna | Alama | Bayanin | Juyawa zuwa Kelvin | Juyawa daga Kelvin |
|---|---|---|---|---|---|
| mK | millikelvin | mK | Cryogenics da superconductivity | K = mK × 1e−3 | mK = K × 1e3 |
| μK | microkelvin | μK | Bose-Einstein condensates; iskar gas na quantum | K = μK × 1e−6 | μK = K × 1e6 |
| nK | nanokelvin | nK | Kusa da cikakken iyakar sifili | K = nK × 1e−9 | nK = K × 1e9 |
| eV | electronvolt (kwatankwacin zafin jiki) | eV | Zafin jiki daidai da kuzari; plasma | K ≈ eV × 11604.51812 | eV ≈ K ÷ 11604.51812 |
| meV | millielectronvolt (kwatankwacin zafin jiki) | meV | Fizis na yanayin daskararre | K ≈ meV × 11.60451812 | meV ≈ K ÷ 11.60451812 |
| keV | kiloelectronvolt (kwatankwacin zafin jiki) | keV | Plasma masu kuzari mai yawa | K ≈ keV × 1.160451812×10^7 | keV ≈ K ÷ 1.160451812×10^7 |
| dK | decikelvin | dK | Kelvin mai alamar SI | K = dK × 1e−1 | dK = K × 10 |
| cK | centikelvin | cK | Kelvin mai alamar SI | K = cK × 1e−2 | cK = K × 100 |
| kK | kilokelvin | kK | Plasma na sararin samaniya | K = kK × 1000 | kK = K ÷ 1000 |
| MK | megakelvin | MK | Cikin taurari | K = MK × 1e6 | MK = K ÷ 1e6 |
| T_P | zafin Planck | T_P | Iyakancin ka'ida na sama (CODATA 2018) | K = T_P × 1.416784×10^32 | T_P = K ÷ 1.416784×10^32 |
Raka'o'in Bambanci (Tsakanin)
| ID na Raka'a | Suna | Alama | Bayanin | Juyawa zuwa Kelvin | Juyawa daga Kelvin |
|---|---|---|---|---|---|
| dC | digiri Celsius (bambanci) | Δ°C | Tsakanin zafin jiki daidai da 1 K | — | — |
| dF | digiri Fahrenheit (bambanci) | Δ°F | Tsakanin zafin jiki daidai da 5/9 K | — | — |
| dR | digiri Rankine (bambanci) | Δ°R | Girma iri ɗaya da Δ°F (5/9 K) | — | — |
Dafa Abinci
| ID na Raka'a | Suna | Alama | Bayanin | Juyawa zuwa Kelvin | Juyawa daga Kelvin |
|---|---|---|---|---|---|
| GM | Alamar Gas (kimanin) | GM | Kimanin saitin tanda na gas na Burtaniya; duba teburin da ke sama | — | — |
Ma'aunin Zafin Jiki na Yau da Kullun
| Zafin Jiki | Kelvin (K) | Celsius (°C) | Fahrenheit (°F) | Yanayin |
|---|---|---|---|---|
| Cikakken Sifili | 0 K | -273.15°C | -459.67°F | Mafi ƙarancin ka'ida; yanayin ƙasa na quantum |
| Ruwan Helium | 4.2 K | -268.95°C | -452°F | Binciken superconductivity |
| Ruwan Nitrogen | 77 K | -196°C | -321°F | Adanar cryogen |
| Busasshen Ƙanƙara | 194.65 K | -78.5°C | -109°F | Sufurin abinci, tasirin hazo |
| Daskarewar Ruwa | 273.15 K | 0°C | 32°F | Samuwar ƙanƙara, yanayin sanyi |
| Zafin Jiki na Daki | 295 K | 22°C | 72°F | Jin daɗin ɗan adam, zayyana HVAC |
| Zafin Jiki na Jiki | 310 K | 37°C | 98.6°F | Zafin jiki na ainihi na ɗan adam |
| Rana Mai Zafi ta Rani | 313 K | 40°C | 104°F | Gargadin zafi mai tsanani |
| Tafasar Ruwa | 373 K | 100°C | 212°F | Dafa abinci, kashe ƙwayoyin cuta |
| Tandar Pizza | 755 K | 482°C | 900°F | Pizza mai wuta |
| Narkewar Ƙarfe | 1811 K | 1538°C | 2800°F | Aikin ƙarfe na masana'antu |
| Fuskokin Rana | 5778 K | 5505°C | 9941°F | Fizis na rana |
Daidaitawa da Matsayin Zafin Jiki na Duniya
Maki Masu Tsayayye na ITS-90
| Makin Tsayayye | Kelvin (K) | Celsius (°C) | Bayanan kula |
|---|---|---|---|
| Matsayin hydrogen sau uku | 13.8033 K | -259.3467°C | Ma'anar cryogen na asali |
| Matsayin neon sau uku | 24.5561 K | -248.5939°C | Daidaitawar ƙaramin zafin jiki |
| Matsayin oxygen sau uku | 54.3584 K | -218.7916°C | Aikace-aikacen cryogen |
| Matsayin argon sau uku | 83.8058 K | -189.3442°C | Ma'anar iskar gas na masana'antu |
| Matsayin mercury sau uku | 234.3156 K | -38.8344°C | Ruwan ma'aunin zafin jiki na tarihi |
| Matsayin ruwa sau uku | 273.16 K | 0.01°C | Ma'anar ma'ana (daidai) |
| Matsayin narkewar gallium | 302.9146 K | 29.7646°C | Matsayin da ke kusa da zafin jiki na ɗaki |
| Matsayin daskarewar indium | 429.7485 K | 156.5985°C | Daidaitawar matsakaicin kewayon |
| Matsayin daskarewar tin | 505.078 K | 231.928°C | Matsayin zafin jiki na sayarwa |
| Matsayin daskarewar zinc | 692.677 K | 419.527°C | Ma'anar zafin jiki mai girma |
| Matsayin daskarewar aluminum | 933.473 K | 660.323°C | Matsayin ilimin karafa |
| Matsayin daskarewar azurfa | 1234.93 K | 961.78°C | Ma'anar karafa masu daraja |
| Matsayin daskarewar zinariya | 1337.33 K | 1064.18°C | Matsayin daidaito mai girma |
| Matsayin daskarewar jan karfe | 1357.77 K | 1084.62°C | Ma'anar ƙarfe na masana'antu |
- ITS-90 (Sikelin Zafin Jiki na Duniya na 1990) yana ayyana zafin jiki ta amfani da waɗannan maki masu tsayayye
- Ana daidaita ma'aunin zafin jiki na zamani da waɗannan ma'anar zafin jiki don bin diddigi
- Sake fasalin SI na 2019 yana ba da damar gane Kelvin ba tare da kayan tarihi na jiki ba
- Rashin tabbas na daidaitawa yana ƙaruwa a matsanancin yanayin zafi (mai ƙasa sosai ko mai girma sosai)
- Dakunan gwaje-gwaje na farko suna kiyaye waɗannan maki masu tsayayye tare da daidaito mai girma
Mafi Kyawun Ayyukan Aunawa
Zagayawa & Rashin Tabbas na Aunawa
- Bayar da rahoton zafin jiki tare da daidaito mai dacewa: ma'aunin zafin jiki na gida yawanci ±0.5°C, kayan aikin kimiyya ±0.01°C ko mafi kyau
- Juyawar Kelvin: Koyaushe yi amfani da 273.15 (ba 273 ba) don aiki mai daidaito: K = °C + 273.15
- Guji daidaito na ƙarya: Kada a ba da rahoton 98.6°F a matsayin 37.00000°C; zagayawa mai dacewa shine 37.0°C
- Bambance-bambancen zafin jiki suna da rashin tabbas iri ɗaya da ma'aunin cikakke a cikin sikelin iri ɗaya
- Lokacin juyawa, kiyaye adadi masu mahimmanci: 20°C (adadi masu mahimmanci 2) → 68°F, ba 68.00°F ba
- Canjin daidaitawa: Ya kamata a sake daidaita ma'aunin zafin jiki lokaci-lokaci, musamman a matsanancin yanayin zafi
Kalmomin Zafin Jiki & Alamomi
- Kelvin yana amfani da 'K' ba tare da alamar digiri ba (an canza a 1967): Rubuta '300 K', ba '300°K' ba
- Celsius, Fahrenheit, da sauran sikeli masu alaƙa suna amfani da alamar digiri: °C, °F, °Ré, da sauransu.
- Alamar Delta (Δ) tana nuna bambancin zafin jiki: Δ5°C yana nufin canjin digiri 5, ba zafin jiki cikakke na 5°C ba
- Cikakken sifili: 0 K = -273.15°C = -459.67°F (mafi ƙarancin ka'ida; dokar thermodynamic ta uku)
- Matsayi sau uku: Zafin jiki da matsin lamba na musamman inda yanayin daskararre, ruwa, da iskar gas suke tare (na ruwa: 273.16 K a 611.657 Pa)
- Zafin jiki na thermodynamic: Zafin jiki da aka auna a cikin Kelvin dangane da cikakken sifili
- ITS-90: Sikelin Zafin Jiki na Duniya na 1990, ma'aunin yanzu don aikin ma'aunin zafin jiki
- Cryogenics: Kimiyyar zafin jiki ƙasa da -150°C (123 K); superconductivity, tasirin quantum
- Pyrometry: Auna zafin jiki mai girma (sama da ~600°C) ta amfani da hasken zafi
- Daidaiton zafi: Tsarin biyu da ke hulɗa ba sa musayar zafi mai tsafta; suna da zafin jiki iri ɗaya
Tambayoyin da ake yawan yi game da Zafin Jiki
Yaya ake juyar da Celsius zuwa Fahrenheit?
Yi amfani da °F = (°C × 9/5) + 32. Misali: 25°C → 77°F
Yaya ake juyar da Fahrenheit zuwa Celsius?
Yi amfani da °C = (°F − 32) × 5/9. Misali: 100°F → 37.8°C
Yaya ake juyar da Celsius zuwa Kelvin?
Yi amfani da K = °C + 273.15. Misali: 27°C → 300.15 K
Yaya ake juyar da Fahrenheit zuwa Kelvin?
Yi amfani da K = (°F + 459.67) × 5/9. Misali: 68°F → 293.15 K
Mene ne bambanci tsakanin °C da Δ°C?
°C yana bayyana ainihin zafin jiki; Δ°C yana bayyana bambancin zafin jiki (tsakanin). 1 Δ°C daidai yake da 1 K
Mene ne Rankine (°R)?
Sikeli cikakke da ke amfani da digiri na Fahrenheit: 0°R = cikakken sifili; °R = K × 9/5
Mene ne matsayin ruwa sau uku?
273.16 K inda yanayin daskararre, ruwa, da iskar gas na ruwa suke tare; ana amfani da shi azaman ma'anar thermodynamic
Yaya electronvolts ke da alaƙa da zafin jiki?
1 eV ya dace da 11604.51812 K ta hanyar madaidaicin Boltzmann (k_B). Ana amfani da shi don plasma da yanayin kuzari mai yawa
Mene ne zafin jiki na Planck?
Kimanin 1.4168×10^32 K, iyakancin ka'ida na sama inda sanannen ilimin lissafi ya rushe
Menene yawanci zafin jiki na ɗaki da na jiki?
Daki ~22°C (295 K); jikin ɗan adam ~37°C (310 K)
Me yasa Kelvin ba shi da alamar digiri?
Kelvin cikakkiyar raka'ar thermodynamic ce da aka ayyana ta hanyar madaidaicin jiki (k_B), ba sikelin da aka zaɓa ba, don haka yana amfani da K (ba °K ba).
Zafin jiki zai iya zama mara kyau a Kelvin?
Cikakken zafin jiki a Kelvin ba zai iya zama mara kyau ba; duk da haka, wasu tsarin suna nuna 'zafin jiki mara kyau' a cikin ma'anar juyawar yawan jama'a — sun fi kowane K mai kyau zafi.
Cikakken Jagoran Kayan Aiki
Dukan kayan aiki 71 da ke akwai a kan UNITS
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