To zrozumiałe, że obliczenia te pomagają im w designingu, analizingu, optymalizacji turbiny, kompresorów, i rotatingu urządzeń. This article provides praktyków formuły i przykładów o ułatwieniach tych kalkulacjach.

Basic Concepts of Work andPower in Turbomachinery

Work in turbomachinery refers to thee energy transferred to or from a fluid as it passes the machine. Power is rate at which this work is done, typically expressed in wats or horpower. Calculating these quantities involves understang the fluid conditions the machine 's operating.

Kalkulator Work Output

Te work out put per unit mass flow rate can be estimated using thee enthalpy change of te te fluid:

Xi1; Xi1; FLT: 0 XI3; XI3; Work per unit mass: XI1; XI1; FLT: 1 XI3; XI3; XImp; nbsp; W = h XI1; XI1; FLT: 2 XI3; in XI1; XI1; FLT: 3 XI3; XI3; - h XI1; XI1; FLT: 4 XI3; XI3; OUT XI1; XI1; FLT: 5 XIX3; XI3;

where is 1; Xi1; FLT: 0 is 3; Xi3; h Xi1; Xi1; FLT: 1 is 3; Xi3; in is 1; Xi1; FLT: 2 is 3; Xi3; Xi1; FLT: 3 is 3; Xi3; Xi3; XI1; FLT: 4 is 3; Xi3; Xi3; Xi1; FLT: 5 is; Xi3; OUT YAN 1; XIAN: 6 is 3; XIDEAL gases or incorresis fluids, simplifid fle the specific enthalpies at; Xe inlet and, respecively. For ideal gaseal or incorpelse fluids, simplais exped exped suren suren suren presete catue catue catue catue catue cate cate cate cate cat cat cat cat cat cat

Kalkulator Power Output

Te wszystkie wywody i s ± uzyskuj ± c b y multipliing te te work per unit mass by te masy flow rate:

(zob. pkt 2.2.1.1.1 niniejszego załącznika)

where Instant mp; nbsp; dot {m} is the mas flow rate of te te fluid. For volumetric flow rate Budapestmp; nbsp; Q, the relation im:

Ximp; nbsp; P = W Ximmp; times; Ximmp; nbsp; rho Ximmp; times; Q

Praktyka Badanie

Suppose a turbine has an inlet enthalpy of 3000 kJ / kg and an outlet enthalpy of 2500 kJ / kg. The mass flow rate is 2 kg / s. Calculate the work and power output.

Xi1; Xi1; FLT: 0 Xi3; Xi3; Solution: Xi1; Xi1; FLT: 1 Xi3; Xi3;

Work per unit mass: W = 3000 - 2500 = 500 kJ / kg

Power: P = 500 kJ / kg Budapemp; times; 2 kg / s = 1000 kJ / s = 1000 kW