Q.6 a) Determine the heat input given to a Carnot engine cycle operates with air shown in figure T- 500 K 80 kPa T= 300 K 10 m'/kg
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- Saved Help Save & Exit The temperature generated in the cylinder of an engine is 890 K. Estimate the theoretical maximum possible efficiency of such an engine. The maximum possible efficiency of the engine is[ MacBook Pro G Search or type URL & @ $ 2 3 4 7 8 W E T Y U D F H J C V command DRRSRN S0A .. .. B RConsider a heat engine with a cycle described by the figure, with the volume and pressure at points A, B, C, and D given below. VA = 0.95 × 10-3 m3VB = 3.5 × 10-3 m3PA = 2.65 × 106 N/m2PB = 2.37 × 106 N/m2PC = 0.75 × 106 N/m2PD = 1.29 × 106 N/m2 a)Calculate the net work output, in joules, of the heat engine following path ABCDA.D) How much work does this engine do ln one cycle? 3- A gas is compressed at a constant pressure of 1.2 Pa from 0.008 m³ to 0.002 m3. In the process, 130 J of energy leaves the gas by heat. (a) What is the work done on the gas? (b) What is the change in its internal energy?
- 9 PM Thu Apr 29 Problem 1 Unanswered Consider n moles of a monatomic ideal gas that goes through the reversible cycle abca shown in the pV diagram. What is the change in internal energy AUin going from c to a along the curved path? 9 -PoVo A 13 B - PoVo 21 - PoVo 24 -PoVo 2po Po as Vo 4VoPlease and thank you for your help :)Topic: Thermodyamics (also included in Chem). Please explain what the Carnot cycle or a heat engine is about step by step.
- A steam turbine takes in steam at a temperature of 300o C and releases steam to the condenser at a temperature of 200o What is the Carnot efficiency for this engine?9-59E An ideal dual cycle has a compression ratio of 15 and a cutoff ratio of 1.4. The pressure ratio during constant- volume heat addition process is 1.1. The state of the air at the beginning of the compression is P =14.2 psia and T, = 75°F. Calculate the cycle's net specific work, specific heat addition, and thermal efficiency. Use constant specific heats at room temperature. %3DB9] The figure below describes n moles of an ideal gas undergoing a Carnot cycle. (P.V.) (ii) (i) (P,V) (ii) (P.V.) (P,V.) (iv) V. a) Is this Carnot cycle operating as a heat engine or as a refrigerator? Why? b) Which of the 4 stages labelled (i) to (iv) corresponds to a quasi-static adiabatic compression and which to an isothermal expansion? c) Show that the change in entropy of an ideal gas expanding isothermally from a volume Vw to a volume Vhugh is given by Viugh AS = nR ln d) Show that V4 e) Write down expressions for the change in entropy of the gas at each stage of the Carnot cycle in the figure. What is the total change in entropy of the gas during the Carnot cycle?