What is the specific enthalpy of WATER at a pressure of 1 bar and a temperature...
What is the specific enthalpy of WATER at a pressure of 1 bar and a temperature of 25 oC? Express your numerical answer in kJ/kg with 2 decimal places
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What is the specific enthalpy of WATER at a pressure of 1 bar
and a temperature...
1. a) Superheated steam at T1 (°C) and corresponding specific enthalpy H^1 and 10.0 bar pressure...
1. a) Superheated steam at T1 (°C) and corresponding specific enthalpy H^1 and 10.0 bar pressure is combined with saturated steam at T2 (°C) and 7.0 bar pressure in a ratio 1.96kg of steam at 10.0 bar / 1.0 kg steam at 7.0 bar. The product stream is at 250°C and 7.0 bar. The process operates at steady state. What is the specific enthalpy H^1 associated with stream 1 assuming that the blender operates adiabatically? b) You have calculated the...
- Question 3 Superheated steam at a pressure and temperature of 60 bar and 450 degC...
- Question 3 Superheated steam at a pressure and temperature of 60 bar and 450 degC undergoes adiabatic expansion through a turbine at a steady rate of 16.3 kg/s. The steam exits the turbine in a wet condition with a pressure of 0.34 bar and specific enthalpy of 2,355 kJ/kg. 25 points Determine the How Did I Do? How Did I Do? properties of the superheated steam at the turbine entrance (state 1): Specific volume, V: 0.0521 m^3/kg kJ/kg Specifio...
What are the specific enthalpy and specific volume of steam at 400.0°C and 80.0 bar? Number Number kJ/kg Î= 0 m²/kg Is...
What are the specific enthalpy and specific volume of steam at 400.0°C and 80.0 bar? Number Number kJ/kg Î= 0 m²/kg Is this steam superheated or saturated? O O saturated superheated If this steam is superheated, what is its degrees of superheat? If the steam is saturated, respond with "0". Number Estimate the temperature, specific enthalpy and specific volume of saturated steam at 5.25 bar. Number Number Number Tsar = 10 °C kJ/kg mº/kg If 18.0 m/min of steam at...
Determine the specific entropy (kJ/kg-K) of superheated water using the table below. The pressure and temperature...
Determine the specific entropy (kJ/kg-K) of superheated water using the table below. The pressure and temperature are given as P = 398.19 kPa and T = 260°C, respectively. Note: Give your answer to four decimal places. Properties of Superheated Water Vapor Tv u hs v u hs °C m/kg kJ/kg kJ/kg kJ/kg-K °C m®/kg kJ/kg kJ/kg kJ/kg-K P= 3.0 bar P= 4.0 bar Tsar= 133.55 °C Tsar= 143.63 °C Sat. 0.6058 2543.1 2724.8 6.9911 Sat. 0.4625 2553.1 2738.1 6.8951 150...
You have saturated vapour at 38.9 bar. Calculate its specific enthalpy in KJ/kg. Include three decimal...
You have saturated vapour at 38.9 bar. Calculate its specific enthalpy in KJ/kg. Include three decimal digits in your answer.
Water vapor enters a diffuser at a pressure of 0.7 bar, a temperature of 160°C, and...
Water vapor enters a diffuser at a pressure of 0.7 bar, a temperature of 160°C, and a velocity of 180 m/s. The inlet to the diffuser is 100 cm The exit conditions from the diffuser are: velocity of 60 m/s and pressure of 1.0 bar. During the passage of the water vapor through the diffuser, there is heat transfer to the surroundings of 0.6 kJ/kg. Determine (a) the final temperature. (b) the mass flow rate in kg/s, and (c) the...
A) Steam enters a horizontal pipe operating at steady state with a specific enthalpy of 2,663 kJ/...
A) Steam enters a horizontal pipe operating at steady state with a specific enthalpy of 2,663 kJ/kg and a mass flow rate of 0.1 kg/s. At the exit, the specific enthalpy is 1,531 kJ/kg. If there is no significant change in kinetic energy from inlet to exit, determine the rate of heat transfer between the pipe and its surroundings, in kW. B) Refrigerant 134a enters a horizontal pipe operating at steady state at 40°C, 3.1 bar and a velocity of...
A ramjet engine is analyzed using the air standard method. Given specific operating conditions determine the...
A ramjet engine is analyzed using the air standard method. Given specific operating conditions determine the temperature, pressure, and enthalpy at each state, the exit velocity, and the rate of heat addition (kJ/kg). --Given Values-- TI (K) = 268 P1 (kPa) = 71 V1 (m/s) = 514 rc = 2.57 a) Determine the specific enthalpy (kJ/kg) at state 1. Your Answer = b) Determine the relative pressure at state 1. Your Answer = c) Determine the specific enthalpy (kJ/kg) at...
A 2.0 kg bar of copper is heated at atmospheric pressure so that its temperature increases...
A 2.0 kg bar of copper is heated at atmospheric pressure so that its temperature increases from 20°C to 50°C. (a) What is the work done on the copper bar by the surrounding atmosphere? SOLUTION Conceptualize This example involves a solid, whereas the preceding two examples involved liquids and gases. For a solid, the change in volume due to thermal expansion is very small. Categorize Because the expanslon takes place at constant atmospheric pressure, we categorize the process as isobaric...
one question part a b c d Determine the pressure (bar) of saturated liquid water at...
one question part a b c d
Determine the pressure (bar) of saturated liquid water at T = 1 17.5°C using the table below Note: Give your answer to three decimal places Note: Your answer may be slightly different from the given answer (within 5%) due to the method by which the answer is calculated Properties of Saturated Water: Temperature Table Temp Pres Specific Volume Sp. Internal Energy Specific Enthalpy Specific Entropy kJ/kg hf kJ/k kJ/kg-K Temp sf bar vfx...
- Question 3 Superheated steam at a pressure and temperature of 60 bar and 450 degC undergoes adiabatic expansion through a turbine at a steady rate of 16.3 kg/s. The steam exits the turbine in a wet condition with a pressure of 0.34 bar and specific enthalpy of 2,355 kJ/kg. 25 points Determine the How Did I Do? How Did I Do? properties of the superheated steam at the turbine entrance (state 1): Specific volume, V: 0.0521 m^3/kg kJ/kg Specifio...
What are the specific enthalpy and specific volume of steam at 400.0°C and 80.0 bar? Number Number kJ/kg Î= 0 m²/kg Is this steam superheated or saturated? O O saturated superheated If this steam is superheated, what is its degrees of superheat? If the steam is saturated, respond with "0". Number Estimate the temperature, specific enthalpy and specific volume of saturated steam at 5.25 bar. Number Number Number Tsar = 10 °C kJ/kg mº/kg If 18.0 m/min of steam at...
Determine the specific entropy (kJ/kg-K) of superheated water using the table below. The pressure and temperature are given as P = 398.19 kPa and T = 260°C, respectively. Note: Give your answer to four decimal places. Properties of Superheated Water Vapor Tv u hs v u hs °C m/kg kJ/kg kJ/kg kJ/kg-K °C m®/kg kJ/kg kJ/kg kJ/kg-K P= 3.0 bar P= 4.0 bar Tsar= 133.55 °C Tsar= 143.63 °C Sat. 0.6058 2543.1 2724.8 6.9911 Sat. 0.4625 2553.1 2738.1 6.8951 150...
You have saturated vapour at 38.9 bar. Calculate its specific enthalpy in KJ/kg. Include three decimal digits in your answer.
Water vapor enters a diffuser at a pressure of 0.7 bar, a temperature of 160°C, and a velocity of 180 m/s. The inlet to the diffuser is 100 cm The exit conditions from the diffuser are: velocity of 60 m/s and pressure of 1.0 bar. During the passage of the water vapor through the diffuser, there is heat transfer to the surroundings of 0.6 kJ/kg. Determine (a) the final temperature. (b) the mass flow rate in kg/s, and (c) the...
A ramjet engine is analyzed using the air standard method. Given specific operating conditions determine the temperature, pressure, and enthalpy at each state, the exit velocity, and the rate of heat addition (kJ/kg). --Given Values-- TI (K) = 268 P1 (kPa) = 71 V1 (m/s) = 514 rc = 2.57 a) Determine the specific enthalpy (kJ/kg) at state 1. Your Answer = b) Determine the relative pressure at state 1. Your Answer = c) Determine the specific enthalpy (kJ/kg) at...
A 2.0 kg bar of copper is heated at atmospheric pressure so that its temperature increases from 20°C to 50°C. (a) What is the work done on the copper bar by the surrounding atmosphere? SOLUTION Conceptualize This example involves a solid, whereas the preceding two examples involved liquids and gases. For a solid, the change in volume due to thermal expansion is very small. Categorize Because the expanslon takes place at constant atmospheric pressure, we categorize the process as isobaric...
one question part a b c d
Determine the pressure (bar) of saturated liquid water at T = 1 17.5°C using the table below Note: Give your answer to three decimal places Note: Your answer may be slightly different from the given answer (within 5%) due to the method by which the answer is calculated Properties of Saturated Water: Temperature Table Temp Pres Specific Volume Sp. Internal Energy Specific Enthalpy Specific Entropy kJ/kg hf kJ/k kJ/kg-K Temp sf bar vfx...
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