A Stirling Engine uses 8.1 x 10^-3 mol of an ideal gas, operates between hot and cold heat reservoirs of temperatures 95 degree celsius and 24 degree celsius, and runs at a rate of 0.7 cps. Q) what is the engine's network per cycle?
A Stirling Engine uses 8.1 x 10^-3 mol of an ideal gas, operates between hot and...
A Stirling Engine uses 8.1 x 10^-3 mol of an ideal gas, operates between hot and cold heat reservoirs of temperatures 95 degree celsius and 24 degree celsius, and runs at a rate of 0.7 cps. Q) what is the power of the engine?
The working substance of a certain Carnot engine is 1.80 mol of an ideal monatomic gas. During the isothermal expansion portion of this engine's cycle, the volume of the gas doubles, while during the adiabatic expansion the volume increases by a factor of 5.7. The work output of the engine is 900 J in each cycle. Compute the temperatures of the two reservoirs between which this engine operates.
7. An ideal heat engine operates between the temperatures of 680 degrees Celsius and 10 degrees Celsius. a) How much heat must be given to the engine to produce 1600 J of work b) How much heat is discarded to the cold reservoir as this work is done.
3. A newly built engine operates between the room temperature (21 oC) and the melting point of silver (961 oC) and claims to have an actual efficiency of 75.0 %. a) How much mechanical energy per cycle does the engine deliver if it absorbs 3.50 x 106 J of heat everycycle (from the hot bath) assuming this claim is true? b) How much thermal energy does the engine reject per cycle to the colder reservoir at 21o C if the...
1) An ideal heat engine employing a carnot cycle Operates between two injerite heat reservoirs with the fixed temperatures To 7 To a) The heat engine has an efficiency n = 30% a work generator Find the efficiency of the machine y it is used as a refridgerator b) Braw the diagram of this cycle is T-S co-ords when used as
A gas-cooled nuclear reactor operates between hot and cold reservoir temperatures of 670°C and 20.0°C. (a) What is the maximum efficiency (in percent) of a heat engine operating between these temperatures? % (b) Find the ratio of this efficiency to the Carnot efficiency of a standard nuclear reactor (47.6%). Eff Eff (b)
Consider the ideal Stirling cycle shown above, working between a maximum temperature of 650 K and a minimum temperature of 410 K and a minimum volume of 0.3 L and a maximum volume of 1.5 L. The working gas of the cycle is 0.10 mol of an ideal gas with C'v = 20.8 J/mol-K. Note, +Q = heat absorbed by the gas and +W = work done by the gas.Hint for Part A:Hint for Part B:Hints for Part C:Hint for...
The PV - diagram in the figure below shows a cycle of a heat engine that uses 0.250 mol of an ideal gas with γ=1.40. The process a b is adiabatic. (1 atm=105 Pa)(i) Calculate the pressure of the gas at point a.(ii) Calculate how much heat enters this gas per cycle. Indicate the process(es) where this happens.(iii) Calculate how much heat leaves this gas in a cycle. Indicate the process(es) where this occurs.(iv) Calculate how much work the engine...
A Carnot engine operates us ing 1.0 mol e of monoatomic ideal gas as a working s ubstance. In t he first step, the gas is place d in thermal contact with a heat reservoir and expands isothermally to 3 .0 times its initial volume. (a) If the internal energy o f the gas after this step is 6.25 k J , calculate the temperature of the heat reservoir ( T h ) . (b) C alculate the heat absorbed...
For a Carnot engine with 10 moles of ideal gas (Cv = 1.5 nR) and operating between a hot reservoir of 500 K and a cold reservoir of 300 K, a) What would be the heat exchanges (q1) and entropy change (∆S1) for step 1, where the gas reversibly and isothermally expands to double its volume (V2 = 2 V1) at 500 K? b) What would be the heat exchanges (q3) and entropy change (∆S3) for step 3, where the...