Isitgich quvvatini qanday hisoblayman?

P = m × c × ΔT / t, where P is power (W), m is mass (kg), c is specific heat (J/kg·K), ΔT is temperature rise (K or °C), and t is heating time (s). For water: c = 4186 J/kg·K.

100 litr suvni isitish uchun qancha quvvat kerak?

100L of water = 100kg. To heat by 50°C in 1 hour: P = 100 × 4186 × 50 / 3600 = 5,814W ≈ 6kW. Add 10-20% for losses.

Keng tarqalgan suyuqliklarning solishtirma issiqlik sig'imi qancha?

Water: 4186 J/kg·K. Air: 1005 J/kg·K. Oil (thermal): ~2000 J/kg·K. Glycol 50%: ~3300 J/kg·K. Ethanol: 2440 J/kg·K.

Isitgich quvvatiga xavfsizlik zaxirasi qo'shish kerakmi?

Ha. Idish devorlari va quvurlar orqali issiqlik yo'qotishlari uchun 10-20% qo'shing. Ochiq havadagi rezervuarlar uchun 30-50% qo'shing. Sovuq ishga tushirishda paketli isitishda yuqori yuklamani inobatga oling.

Hajm va massani qanday o'zgartiraman?

mass = volume × density. Water: 1 kg/L. Air at 20°C: 1.204 kg/m³. Thermal oil: ~0.85 kg/L. Always use the density at the average temperature.

Muhandislik uchun bepul vosita

Isitgich quvvati kalkulyatori

Calculate the power required to heat a liquid or air. P = m × c × ΔT / t. Enter mass or volume, specific heat, temperature rise, and heating time.

P = m·c·ΔT/tSuyuqlik & Havo#177

Results

Required Power

—

Total Energy

—

Mass

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15% yo'qotishlar bilan

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Isitish quvvati formulasi

Where m = mass (kg), c = solishtirma issiqlik sig'imi (J/kg·K), ΔT = harorat ko'tarilishi (°C), t = vaqt (soniya).

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