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API · /prandtl-api
API de Números de Transferencia de Calor
salutare
3,766 Abbonati
Números adimensionales de transferencia de calor por convección como una API, calculados local y determinísticamente. El endpoint prandtl calcula el número de Prandtl Pr = μ·cp/k (o ν/α), la relación entre la difusividad de momento y térmica que determina el grosor relativo de las capas límite de velocidad y térmica — el aire es aproximadamente 0.71 y el agua alrededor de 7 a 20 °C. El endpoint grashof calcula el número de Grashof Gr = g·β·|ΔT|·L³/ν², flotabilidad versus fuerzas viscosas en convección natural (para un gas ideal el coeficiente de expansión térmica β ≈ 1/T). El endpoint rayleigh proporciona el número de Rayleigh Ra = Gr·Pr, ya sea a partir de Gr y Pr o de las entradas completas de convección natural, que gobierna el inicio de la convección (crítico ≈ 1708 para una capa horizontal calentada). El endpoint peclet calcula el número de Péclet Pe = Re·Pr = v·L/α, advección versus difusión de calor. El endpoint biot calcula el número de Biot Bi = h·L/k e indica si se aplica el modelo transitorio de capacitancia concentrada (Bi < 0.1). Todas las entradas están en SI. Todo se calcula local y determinísticamente, por lo que es instantáneo y privado. Ideal para desarrolladores de aplicaciones de ingeniería térmica, HVAC, refrigeración electrónica, CFD, ingeniería de procesos y educación en transferencia de calor, herramientas de convección natural y conducción transitoria, y software de simulación. Cálculo local puro — sin clave, sin servicio de terceros, instantáneo. En vivo, nada almacenado. 5 endpoints. Estos son grupos de transferencia de calor por convección; para el número de Reynolds solo, use una API de Reynolds y para números de tensión superficial, una API de Weber.
api.oanor.com/prandtl-api
API salute
salutare- Tempo di attività
- 100.00%
- Sondaggi del server · 24 ore su 24
- Latenza media
- 68 ms
- Sondaggi del server · 24 ore su 24
- Abbonati
- 3,766
- attiva
- Chiamate totali
- 114
- ultimi 7 giorni
Prezzi
Scegli un livello: fatturazione mensile, annullamento in qualsiasi momento.
Free
Gratis
- 3,700 chiamate/mese
- 2 richieste/secondo
- Tetto rigido (429 sopra la quota, nessuna eccedenza)
- 3,700 calls/month
- 2 req/sec
- Prandtl + Grashof + Rayleigh + Péclet + Biot
- No credit card
Starter
€6.80 /mese
- 35,000 chiamate/mese
- 6 richieste/secondo
- Tetto rigido (429 sopra la quota, nessuna eccedenza)
- 35,000 calls/month
- 6 req/sec
- Natural convection, lumped-capacitance
- Email support
Pro
€20.50 /mese
- 172,000 chiamate/mese
- 15 richieste/secondo
- Tetto rigido (429 sopra la quota, nessuna eccedenza)
- 172,000 calls/month
- 15 req/sec
- CFD & electronics-cooling pipelines
- Priority support
Mega
€63.00 /mese
- 1,040,000 chiamate/mese
- 40 richieste/secondo
- Tetto rigido (429 sopra la quota, nessuna eccedenza)
- 1,040,000 llamadas/mes
- 40 req/seg
- Escala de plataforma
- SLA dedicado
Costruito da
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Newton Cooling & Convection API
Newton's law of cooling and convective heat transfer as an API, computed locally and deterministically. The convection endpoint applies the convective-heat-transfer rate Q = h·A·ΔT — the heat carried away from a surface equals the convection coefficient times the area times the temperature difference between the surface and the fluid — and solves for whichever of the heat rate, the coefficient, the area or the temperature difference you leave out, with typical coefficients for natural and forced air, water, boiling and condensing built in. The cooling endpoint applies Newton's law of cooling, T(t) = T_env + (T0 − T_env)·e^(−k·t): from an initial temperature, the ambient temperature and a cooling constant (or time constant τ = 1/k) it gives the temperature after a time, or the time to reach a target temperature, or it solves the cooling constant from a measured temperature at a known time — the maths behind how a hot drink, a forensic body or a cooling casting approaches room temperature. The coefficient endpoint links the cooling constant to the physical properties, k = h·A/(m·c), and the thermal time constant. Everything is computed locally and deterministically, so it is instant and private. Ideal for thermal-engineering and HVAC tools, food-safety and forensic cooling apps, electronics-cooling and process-control software, and physics education. Pure local computation — no key, no third-party service, instant. Live, nothing stored. 3 endpoints. This is convection and transient cooling; for steady conduction through walls use a U-value API and for thermal radiation use a Stefan-Boltzmann API.
api.oanor.com/cooling-api
Optical Resolution API
Optical resolution by the Rayleigh criterion as an API, computed locally and deterministically. The angular endpoint gives the smallest angle two points can be apart and still be told apart through a circular aperture, θ = 1.22·λ/D — the diffraction limit set by the wavelength and the aperture diameter — in radians, degrees, arcminutes and arcseconds (a 100 mm telescope resolves about 1.4 arcseconds in green light), and solves the aperture needed for a target resolution. The distance endpoint turns that angle into a real separation at a distance, s = θ·L = 1.22·λ·L/D — how far apart two objects must be to be resolved at a given range. The microscope endpoint computes resolving power from the numerical aperture: the Rayleigh limit d = 0.61·λ/NA and the Abbe limit d = λ/(2·NA), with NA = n·sin(θ) from a refractive index and half-angle, and the maximum useful magnification. Wavelength defaults to 550 nm (visible) and can be set in metres, nanometres or micrometres. Everything is computed locally and deterministically, so it is instant and private. Ideal for astronomy, telescope and binocular tools, microscopy and imaging-system design, camera and optics apps, and physics education. Pure local computation — no key, no third-party service, instant. Live, nothing stored. 3 endpoints. This is the diffraction-limited resolving power; for thin-lens imaging use a lens API and for slit and grating diffraction use a diffraction API.
api.oanor.com/resolution-api
Programming Languages API
The language definitions GitHub uses to recognise code (the open-source Linguist data) as an API — a clean reference for syntax highlighting, file-type detection, repository dashboards and developer tooling. For each of 800+ languages the API returns its type (programming, markup, data or prose), its brand colour (the hex GitHub paints it), the file extensions associated with it, common aliases, the GitHub language id and the editor (ace) mode. Look a language up by name or alias (golang resolves to Go), reverse-look-up which language(s) own a file extension (.py → Python; .h → C, C++, Objective-C), list the languages of a type, search, or list them all. Distinct from languages-api (ISO 639 human languages) — this is the programming-language reference. Served from memory — always fast.
api.oanor.com/proglang-api
MIME Types API
Die kanonische MIME-/Medientyp-Datenbank (die jshttp mime-db, die von Express und dem Großteil des Node-Ökosystems verwendet wird: IANA + Apache + nginx), aus dem Speicher bereitgestellt — kein Key. Lösen Sie einen Medientyp in seine Dateierweiterungen, Zeichensatz und Komprimierbarkeit auf; suchen Sie den/die Medientyp(en) für eine Dateierweiterung (z. B. png → image/png); und listen oder durchsuchen Sie Typen nach Quelle. 2.600+ Medientypen, 1.000+ mit Dateierweiterungen. Schlankes, vorhersagbares JSON. Ideal für Upload-Validierung, Content-Type-Auflösung, Dateityperkennung, Download-Handler und Entwicklerwerkzeuge.
api.oanor.com/mimetypes-api
Domande frequenti
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Qual è il limite di velocità di API de Números de Transferencia de Calor?
Il piano gratuito consente 1 richiesta al secondo. I piani a pagamento arrivano fino a 50 richieste al secondo nel piano Mega. I limiti rigorosi restituiscono HTTP 429 oltre la quota — nessuna spesa imprevista.
Quanto costa API de Números de Transferencia de Calor?
API de Números de Transferencia de Calor ha un piano gratuito con 100 chiamate / mese. I piani a pagamento partono da €6.80 / mese con quote più alte e limiti di velocità più rapidi.
Posso cancellare l'abbonamento in qualsiasi momento?
Sì. I piani sono fatturati mensilmente e puoi cancellare in qualsiasi momento dalla dashboard di fatturazione. Nessun contratto a lungo termine e nessuna penale di cancellazione.
API de Números de Transferencia de Calor è conforme al GDPR?
Tutte le richieste a API de Números de Transferencia de Calor passano attraverso il nostro gateway in UE. La tua chiave upstream non lascia mai il nostro server e nessun dato personale viene condiviso con il fornitore upstream oltre alla richiesta inviata.
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Frammenti di codice
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curl https://api.oanor.com/prandtl-api/SOME_PATH \
-H "x-oanor-key: oanor_test_..."const res = await fetch("https://api.oanor.com/prandtl-api/SOME_PATH", {
headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();$ch = curl_init("https://api.oanor.com/prandtl-api/SOME_PATH");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
$response = curl_exec($ch);import requests
r = requests.get(
"https://api.oanor.com/prandtl-api/SOME_PATH",
headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())Valutazioni
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