A stream of hydrocarbon (cp = 2.2 kJ/kg·K) is cooled at a rate of 720 kg/h from 150°C to 40°C in the tube side of a double-pipe counter-flow heat exchanger. Water (cp = 4.18 kJ/ kg·K) enters the heat exchanger at 10°C at a rate of 540 kg/h. The outside diameter of the inner tube is 2.5 cm, and its length is 6.0 m. Calculate the overall heat transfer coefficient.

Q: Hot gases (c=1.10 kJ/kg.K) enters an adiabatic heat exchanger at 237°C & 130 kPa while Saturated…

A:

Q: Sáturated liquid water is heated in a heat exchanger until it exits as a saturated liquid vapor…

A:

Q: A well-insulated shell-and-tube heat exchanger is used to heat water (cp = 4.18 kJ/kg·°C) in the…

A: Write the given information.

Q: loublé-pipè cõûñtër-flöw ow hea order to enhance heat transfer, the length of the hea s now doubled.…

A: given: 3-77C Consider a double-pipe counter-flow heat ex changer. In order to enhance heat transfer,…

Q: Steam is supplied to a fully loaded 100-hp turbine at 276 psia with u1=1,220.3 Btu/lbm, v1=3.65…

A: Given : p₁ = 276 psia u₁ = 1220.3 Btu/lbm v₁ = 3.65 ft³/lbm υ₁ = 466 ft/s   p₂ = 3 psia u₂ = 943…

Q: erall heat transfer coefficient of the h

A: given:specific heat of water 4.18kj/kgkspecific heat of geothermal fluid=4.31kj/kgkmass flow of…

Q: Steam enters a steam turbine at a pressure of 4 MPa and a temperature of 450 ° C at 25 kg / s. At 1…

A:

Q: The economiser of a steam boiler receives its feed water at 34.6°C and supplies the evaporator at a…

A: From steam table:The specific enthalpy of water at 34.6°C and 600 kPa is h1 = 145.507 kJ/kg.The…

Q: A steam powNer plant is located in the northern part of the country. Steam in the plant flows…

A:

Q: Two products enter an indirect contact heat exchanger that uses steam for heating. The first product…

A:

Q: Steam is to be condensed on the shell side of a heat exchanger at 75°F. Cooling water enters the…

A: Given Data;The rate of heat transfer in the heat exchanger becomes;The energy balance forthis…

Q: The economiser of a steam boiler receives its feed water at 34.6°C and supplies the evaporator at a…

A:

Q: By taking the limit as DT2 DT1, show that when DT1 = DT2 for a heat exchanger, the DTlm relation…

A: When the heat capacity of the cold fluid and the hot fluids are the same for a counter flow heat…

Q: derive the equation of the efficiency of the pump.

A: To derive: The equation of pump efficiency. Concept used: Pump: It is a device that transfers fluid…

Q: The 3090-lb car is traveling at 24 mi/hr when the driver applies the brakes, and the car continues…

A: Given data:

Q: Cold water enters a counter-flow heat exchanger at 35°C at a rate of 0.0233 kg/s, where it is heated…

A:

Q: In a large air-conditioning application, 1500 m3/min of air at 1 atm and 10◦C are to be heated in a…

A:

Q: Consider a flow of water in a cylinder maintained at a constant temperature of 1000 C, the diameter…

A: Heat Transfer: The transfer of heat from one body to another body due to the difference in…

Q: The temperature difference between the hot and cold fluids in a heat exchanger is given to be ∆? at…

A: The symbols representing the temperature difference in the hot and cold fluids at each end are not…

Q: Hot water at 60°C is cooled to 36°C through the tube side of a one-shell pass and two-tube passes…

A: It is required to determine the logarithmic mean temperature difference for counter flow. The…

Q: Water flows through a shower head steadily at the rate of 8 kg/min. The water is heated in an…

A: Given:  mass flow rate of water = 8 kg/min = (8/60) kg/s = 0.133 kg/s initial cold water inlet, Tc1…

Q: A component in a refrigeration system is the evaporator. It is here that the cold refrigerant picks…

A:

Q: What is application of parallel flow heat exchanger? and counter flow heat exchanger?

A:

Q: A well-insulated, thin-walled, counterflow heat exchanger is to be used to cool oil (cp = 2.20…

A: The data give is, The initial temperature of oil, T1 = 150°C The final temperature of oil, T2 =…

Q: In large steam power plants, the feedwater is often heated in closed feedwater heaters, which are…

A: Given, P1 = 1.6 MPa T1 = 250°C P2 =P1 = 1.6 MPa T3 = 30°C P3 = 4 MPa P4 = P3 = 4 MPa T4 = T2- 10°C…

Q: A parallel flow double-pipe heat exchanger is to heat water from 20°C to 90°C at a rate of 1.4 kg/s.…

A:

Q: In large steam power plants, the feedwater is often heated in closed feedwater heaters, which are…

A: The initial enthalpy and entropy of the steam  obtained from the steam table at given pressure and…

Q: A counter-flow double-pipe heat exchanger is to heat water from 30°C to 80°C at a rate of 1.5 kg/s.…

A:

Q: Water enters at 20 ℃ at a rate of 0.1 kg/s in a double-pipe counter flow heat exchanger is to be…

A: Given:Twi=20°Cmw=0.1 Kg/sTai=90°Cma=0.3 Kg/sU=100 W/m2°CL=14 md=1.4 cmcw=4.18 KJ/Kg°Cca=1.01 KJ/Kg°C

Q: A Counter-flow heat exchanger (water-to-water) with these specifications. Hot water enters at 95 °C…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: A well-insulated shell-and-tube heat exchanger is used to heat water (cp = 4.18 kJ/kg·°C) in the…

A: Rate of heat transfer is given asQ˙=mh˙cpT1-T2Q˙=4.5×4.18Tout-TinQ˙=4.5×4.1870-20Q˙=940.5 kW

Q: The venturimeter can measure volume flow rate in a flow channel Select one: True False

A: Venturimeter is a device based upon Bernoulli's equation, and is used to measure the rate of flow…

Q: A stream of ammonia is cooled from 100oC to 20oC at a rate of 180 kg/hr in the tube side of a…

A: The inlet temperature of ammonia is .The exit temperature of ammonia is .The flow rate of ammonia is…

Q: Q14) A 65-kg beef carcass (k=0.47 W/m °C and a=0.13x10-6 m²/s) initially at a uniform temperature of…

A: velocity, v = 1.8 m/s

Q: A single-stage fluid with a mass flow rate of 2.5 kg / s and a heat capacity of 1800 j / kg-K is…

A:

Q: Exhaust gas at 400°C and 1 bar from internal-combustion engines flows at the rate of 125 mol s¹ into…

A: Given Data

Q: A heat exchanger is being used to transfer heat between water and a benzene. The benzene enters the…

A: Solution: Inlet temperature of benzene Th,i=90°C Inlet temperature of water Tc,i=15°C Density (ρ1)of…

Q: It is desired to heat cold water at a pressure 500 kPa from 5 oC to 50 oC at a rate of 0.1 kg/s in a…

A: To find :  The log mean temperature difference. Given data : The cold fluid is water. The pressure…

Q: Air (cp = 1.005 kJ/kg·°C) is to be preheated by hot exhaust gases in a crossflow heat exchanger…

A: In order to proceed with the problem following assumptions are taken into consideration. The…

Q: 5-84 Air (C₂=1.005 kJ/kg°C) is to be preheated by hot exhaust gases in a cross-flow heat exchanger…

A: The pressure of air is The inlet temperature of gas is The volume flow rate of air is The mass flow…

Q: Cold water (cp = 4180 J/kg×K) leading to a shower enters a thin-walled double-pipe counterflow  heat…

A:

Work and Heat Transfer

It is generally related to thermal engineering which tells about the use, creation, conversion and transfer of heat energy between the systems. It is also considered that to transfer heat from one source to another, transfer of masses is also required. There are various mechanisms by which, transfer of heat takes place i.e. thermal conduction, convection, radiation or by change of phase. All these mechanisms have their own specific features which sometimes occur simultaneously within the same system.