Q3: moist air flow at 3 kg/s and inlet condition of it DBT = 27 C and WBT = %3D %3D 19. this air pass on cooling coil has dew point 9 C if the air exit at DBT 15 C, calculate sensible, latent, total heat SHF, B.F and C.F
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Q: Q4: moist air flow at 3 kg/s and inlet DBT = %3D 15 C and RH 80% . this air pass on heating coil has…
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A: Air flow rate Q=4.5m3/s ρ1=1atm=1.01325 barT1=10°Cθ1=80%T2=25°Cθ3=50%
Q: Q4: moist air pass on cooling coil at 20 °C DBT and 70% RH and then exit at 90% RH if dew point for…
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- The return air temperature of the room is 78F and cooling system load is 48,000 Btu h (sensible). How much air flow (in CFM) is required for proving 58F as the supply air temperature?1. define the cutfof ratio and the compression ratio 2. air is compressed at a constant temperature find the word done on the fluid under the: - initial pressure 200 kpa - final pressure 1500 kpa - compression temperarture 600 kThe condensing pressure for a Rankine engine is 0.001325 MPavac. Calculate the following for steam flow rate = 1 kg/sec of steam when the steam at the beginning of expansion is at 119.6 deg SH and 4.0 Mpaa. Draw the TS and equipment diagrams for the ideal and actual case and find for the following for the ideal case: Pump work in KW. Ans. Ideal heat rate in KJ/KW-hr. Ans. Rankine engine efficiency (%). Ans. Cycle thermal efficiency ( %). Ans
- 3.11) The conditions of air at the entry of an axial compressor stage are: Рi %3D 768 тт Hg & Ti = 314 K. The air angles are B1 = 51°, B2 = 9°, a1 = az = 7°. The mean diameter 50 ст. The peripheral speed 100 m/s. Mass-flow rate 25 kg/s work done factor 0.95 mechanical efficiency 92 % stage efficiency 88 % (a) Air angle at the stator entry, [a2 50.18°] (b) Blade height at entry and the hub-tip diameter ratio, [h, = 19 cm ; dn/d = 0.449] (c) Stage loading coefficient. [V = 0.754] (d) Stage pressure ratio. [Po3/Po1 1.075] (e) The power required to drive the stage. [Power = 204.75 kW]Exampie Air conditioning unit uses Freon R-22 for conditioned office at 25 C. The evaporating temperature is 17 C and the condensing temperature is 47 C. The compressor is reciprocating and single acting with number of cylinders of 4, volumetric efficiency of 0.9, number of revolution is 900 rpm cylinder dimensions of L/D is 1.25. If the compressor power is 3 kW and mechanical efficiency of 0.9, estimate the followings: the refrigerant mass flow rate in kg/min, refrigeration capacity in TR, cylinder dimensions, condenser heat load, coefficient of performance and relative efficiency. andThree disadvantages of parallel compressor systems are _____, _____, and ____.
- Steam heating system air, water vapor passing throughit is heated by passing over pipes. Air and steamits streams are continuous streams. 200 kPa to the steam heat exchanger and200oC temperature, 8 kg per minute flow entering, 180 kPapressure is rising at 100oC and temperature. Air pressure of 100 kPa andIt enters at a temperature of 25oC and exits at a temperature of 47oC. Aircalculate the volumetric flow rate at the input.A process in a plant is to he revised such that the airflow rate through Si system will increase from 8000 cfm to 10,000 cfm, The existing fan runs at 1600 rpm and provides 6,0 in, H2O SP. Estimate the new speed required for this fan and the new SP.Provide clear and complete solution as well as diagram. The discharge pressure of an air compressor is 8 times the suction pressure. If volume flow at suction is 0.23 m3/s, what is the compressor power assuming n equals 1.35 and suction pressure is 97 kPa? A. 64.58 kW C. 60.45 kWB. 61.48 kW D. 71.5 kW
- An air conditioning supply fan is operating at and requiring 4.85kW. 600 RPM against is delivering 540m / min at 500PA SP It standard conditions. In order to handle air conditioning load, heavier than originally planned, more air is desired, in order speed SP and to increase flow are the new power?Homework-2 Compute the themal e fficiency of an ideal Ran kine cycle for which the steam leavea the boiler as Saturated Vapor at 30 bars. The turbine-outlet Conditions is Be1 bar. Determine the mass floo rate of the steam in kg/hr, net Power output of the cycle is 50000 Sehematic ond given data are: 1f the kw. The TI= 5002 P 3०bars %3D 9in (saturated) vapour 30 bars 2 PR =0-1 bar 4 Pa=30 bas o-1 bar +4 Tout 3 (Saturated liquid) Wp ( Simple Ideal Power cycle) (T.S. diagram e)A steam condenser receives 10 kg per second of steam with an enthalpy of 2570 KJ/kg. Steam condenses into liquid and leaves with an enthalpy of 160 KJ/kg, if cooling water passes through the condenser with temperature increases from 13oC to 24oC. Calculate the cooling water flow rate in kg/sec. pls dont skip anything show all solution including conversion of units