What is the required tube length if the coolant is air and its velocity is V = 20 m/s

Q: Saturated refrigerant 134a flows in the evaporator tube at 2 °C. The evaporator is made of thin…

A: Write the given data with suitable variables. T°=2 °Cd=1 cm=0.01 mD=2.5 cm=0.25 mT∞=25 °Ch=40…

Q: A DPHX is made of a 6-nom sch 40 commercial steel outer pipe and a 5-nomsch 40S stainless steel…

A: Heat Transfer: According to the second law of thermodynamics, heat is always transferred from a…

Q: The operations management of the industrial plant where you work asks you to determine the length of…

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Q: a) What is the required tube length for these conditions? b) To design a water heating system,…

A: first we calculate reynolds numebr  then evaluate nusselt number  then figure out h and the use…

Q: Air at p = 1 atm enters a thin-walled (D = 5-mm diameter) long tube (L = 2 m) at an inlet…

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Q: Water (4.1 L/min) is flowing in a tube "D = 3 cm, L= 5 m" and is to be heated from 15°C to 59.8°C by…

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Q: Oil being used as a coupling agent with a density of 892 kg/m³ is flowing through the piping…

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Q: Air at p = 1 atm enters a thin-walled (D = 5-mm diameter) long tube (L = 2 m) at an inlet…

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Q: Liquid ammonia is transported from a production plant to a processing center via a 0.6-m diameter…

A: Introduction Given data: diameter of pipeD=0.6 mmass flow ratem=0.15 kg/ssurface…

Q: A7 To a 5ft long ½” ID pipe that is maintained at a uniform temperature of 150ºF oil enters at 70ºF…

A: Given: The diameter of the pipe, d = ½ in  = 0.04166 ft The length of the pipe, L = 5 ft The…

Q: Liquid bismuth flows at a rate of 4.5 kg/s through a 5.0-cm-diameter stainless-steel tube. The…

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Q: Engine oil enters a straight tube with a flow rate of 1 kg/s. The tube has a diameter of 5 mm and…

A: Given: m˙=1 kg/s D= 5mm Ts = 150˚C Tin = 52˚C Tout = 80˚C k = 0.139 W/m.K Pr = 834 Cp = 2072 J/kg.K…

Q: A tube with a square cross-section 2 mm in side and 1.5 m in length imposes a constant heat flux of…

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Q: Engine oil flows at a rate of 0.95 kg/s through a tube of 119 mm inside diameter and is heated from…

A: Given data as per the question Q=0.95 kgsd=119mmTi=293 kT0=327 kasuming  density ρ of oil =900…

Q: Water flows at 1 kg/s in a 10 mm diameter tube and is to be heated from 25 to 75 °C. The tube…

A: INTRODUCTION : When a flowing fluid travels through a heat exchanger, our focus is on either cooling…

Q: Liquid ammonia is transported from a production plant to a processing center via a 0.6-m diameter…

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Q: Air at p = 1 atm enters a thin-walled (D = 5-mm diameter) long tube (L = 2 m) at an inlet…

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Q: Consider the case of liquid flow in a uniformly heated channel. Initially, heat flux is so low that…

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Q: Engine oil flows at a rate of 0.05 kg/s through a section of a 2.5 cm diameter tube. The oil enters…

A: Given: Mass flow rate of the engine oil→m=0.05 Kg/s Diameter of the tube→D=2.5 Cm=0.025 m Initial…

Q: Determine the expected Fanning friction factor for water at 28 degrees Celsius, flowing through a…

A: Give data as per the question The internal diameter of the tube =15 mm = 0.015 m velocity =0.3 m/s…

Q: Air with ρ = 1,202 kg/m3 and ν =15.1 x 10-6 m2/s, is flowing steadily in a duct shown in Figure 1…

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Q: 3. A natural gas is flowing through a long distance smooth pipeline (1 m in diameter) at a constant…

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Q: Engine oil enters a circular tube D=6-cm in diameter and L=29-m in length. If the flow rate and…

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Q: A tube bank uses a staggered arrangement of D=0.9 cm diameter tubes with S,=2 cm and S=1.5 cm. There…

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Q: Problem 2: A 5mm x 20 mm rectangle tube houses fully-developed flow of water. The surface…

A: Given data: A=5×20 mm2Ts=45°CTwi=25°CTwo=35°C Need to determine the heat transfer.

Q: A liquid is entering a 10 m long pipe of 0.2 m diameter at 25°C with an average velocity of 0.02…

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Q: Air with an average temperature of 25oC flows inside a tube arrangement consisting 10 rows of tubes.…

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Q: Air at p = 1 atm enters a thin-walled (D = 5-mm diameter) long tube (L = 2 m) at an inlet…

A: Given data: ◆ The diameter of thin walled tube: D = 5 mm = 0.005 m ◆ The length of thin walled tube:…

Q: Water (7.7 L/min) is flowing in a tube "D = 3 cm, L= 5 m" and is to be heated from 15°C to 62.1°C by…

A: Given:Volume flow rate,Q=7.7Lmin=7.7×10-360m3sDiameter of tube,D=3cm=0.03mLength,L=5mInitial…

Q: An air duct heater with an electric heating element in an industrial plant is used. 12 m/s velocity…

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Q: Air at p 1 atm enters a thin-walled (D = 5-mm diameter) long tube (L= 2 m) at an inlet temperature…

A: Given dataD=5mm=0.005mL=2mp=1atmm˙=135×106 kg/sT=400KTso=160°CTmi=100°C

Q: Air at 27 ° C and having a flow rate of 3 x 10-4 kg / s passes through a duct with a 4 mm x 16 mm…

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Q: Air is to be heated from 15 C to 270 C, as it flows through a tube 25mm diameter at average velocity…

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Q: How is the Reynolds number related to Darcy-Weisbach?

A: Reynolds number is used to determine the nature of the fluid, Laminar or turbulent fluid.

Q: Find the heat transfer rate of water that enters a tube with a flow rate of 0.015 kg/s and an inlet…

A: Given data: Mass flow rate = m = 0.015 kg/s Inlet temperature = T∞   = 20°C Length of tube = L = 6 m…

Q: air at a dry ball temperature of 95 degrees Celsius and RH 5% is passed over the cooling coil so…

A: Condition of air at state 1, 95oC dry bulb and 5% RH Temperature of air after heating, T2=50oC dry…