If a system is at steady state, does this mean intensive properties are uniform with position throughout the system or constant with time? Both uniform with position and constant with time? Explain.
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If a system is at steady state, does this mean intensive properties are uniform with position
throughout the system or constant with time? Both uniform with position and constant with time?
Explain.
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- Air contained within a piston–cylinder assembly undergoes three processes in series: Process 1–2: Compression during which the pressure–volume relationship is pV = constant from p1 = 10 lbf/in.2, V1 = 4 ft3 to p2 = 50 lbf/in.2 Process 2–3: Constant volume from state 2 to state 3 where p = 10 lbf/in.2 Process 3–1: Constant pressure expansion to the initial state. Sketch the processes in series on p–V coordinates. Evaluate (a) the volume at state 2, in ft3, and (b) the work for each process, in Btu.State the difference between extensive, intensive and specific properties of a thermodynamic system.Why do dna replication and rna transcription are always non equilibrium steady state?
- Thermodynamics Answer the following problem with complete solutions. Write legibly A gas goes through the following thermodynamic processes: A to B: constant-temperature compression; B to C: constant-volume cooling; C to A: constant-pressure expansion. The pressure and volume at state C are 1.4 bars and 0.028 m^3, respectively. The net work during the C-to-A process is 10.5 kJ. What net work is derived from one complete A-B-C cycle?An oil pump operating at steady state delivers oil at a rate of 10 lb/s through a 1-in.-diameter exit pipe. The oil, which can be modeled as incompressible, has a density of 70 lb/ft3 and experiences a pressure rise from inlet to exit of 40 lb/in². There is no significant elevation difference between inlet and exit, and the inlet kinetic energy is negligible. Heat transfer between the pump and its surroundings is negligible, and there is no significant change in temperature as the oil passes through the pump. Determine the velocity of the oil at the exit of the pump, in ft/s, and the power required for the pump, in hp. Determine the power required for the pump, in hp.DYNAMICS OF RIGID BODIES: WORK AND ENERGY
- Example Definitions ----Example Equationsa) constant temperature---1) D P = 0b) No change with time----2) dE/dt = 0c) constant pressure----3) T1 = T2 , or D T = 0d) No heat transfers----4) Q = 0 1. Term Write the definition and equation for steady state Steady-state---- b) Approximate values for v, u at liquid states can be obtained using saturated liquid data. Since the values of v and u for liquids change very little with pressure at a fixed temperature. : v (T, p)= vf(___), u(T,p)=ufc) Write the equation to calculate the maximum theoretical coefficient of performance for the Refrigeration cycle___________________________________d) Write the equation to calculate the maximum theoretical coefficient of performance for the Heat pump cycle __________________________________e) The thermal efficiency of an irreversible power cycle is always ______ than the thermal efficiency of a reversible power cycle when each operates between the same two thermal reservoirs. ηirrev…For THERMODYNAMICsAn gas flows through a uniform diameter pipe whose outlet point is higher than the inlet point. Assuming that the system is steady state with constant temperature and an outlet pressure less than the inlet pressure, how does the outlet kinetic energy compares with the inlet kinetic energy? insufficient information b. the same c. lesser d. greater
- 3. In the rotational frame, work done between two instances of rotational states is nothing but the difference in rotational kinetic energy between those states True FalseAn oil pump operating at steady state delivers oil at a rate of 13 lb/s through a 1-in.-diameter exit pipe. The oil, which can be modeled as incompressible, has a density of 70 lb/ft3 and experiences a pressure rise from inlet to exit of 40 lbf/in2. There is no significant elevation difference between inlet and exit, and the inlet kinetic energy is negligible. Heat transfer between the pump and its surroundings is negligible, and there is no significant change in temperature as the oil passes through the pump. Determine the velocity of the oil at the exit of the pump, in ft/s, and the power required for the pump, in hp.Topic: Understanding the World of Thermodynamic 2.) Give two (2) examples each of intensive and extensive properties of a system.