100°? air flows through a round aluminum tube of ID 60mm and OD 80mm at 4 ?? .The tube is covered in 5mm thick fiberglass insulation. The tube is surrounded by RT air flowing at 5?? over the outside of the insulation. What is the heat rate through the wall of the tube? Assume that the air temperature is constant throughout the tube.Note: RT is 25 celsius Boundary ConditionLaminar or TurbulentNusselt EquationUniform TemperatureLaminarNu = 0.664Ref5pNu = 0.037Ref"pNu = 0.453R€25P;/3Uniform TemperatureTurbulentUniform Heat FluxLaminarUniform Heat FluxTurbulentNu = 0.038 Rep/3Reynold's Number Ranges:Re <1x 105 - LaminarRe 23 x 106 - Turbulentselt Correlations for Forced Convection over circular and non-circular cylinders in cross-flow.ShapeFluidRange of ReNusselt NumberCylinderGas or Liquid0.4-4Nu = 0.989 Re"p4-40Nu = 0.911 Resp740-4,000Nu = 0.9683 Re 46p4,000 - 40,000Nu = 0.193 Re4p40,000 - 400,000Nu = 0.027Rees pT DensitykgMaterialSpecificLatent Heat Latent HeatThermalof Fusion,ofConductivityHeatkgKAVaporizationW\mK.kg.Air1.2257180.025Aluminum2712900396000200Ammonia68244001371000(Liquid)Cast Iron730046024700040Copper8940390206000400Ероху120010001.5G1018006700.3FiberglassGlass22007501Silicone107013000.2Steel785045024700020

Take 25 °C as room temperature r1=30 mmr2 = 40 mmr3 = 45 mm Assume unit length of the tube Thermal…

100°? air flows through a round aluminum tube of ID 60mm and OD 80mm at 4 ?? .The tube is covered in 5mm thick fiberglass insulation. The tube is surrounded by RT air flowing at 5?? over the outside of the insulation. What is the heat rate through the wall of the tube? Assume that the air temperature is constant throughout the tube.

100°? air flows through a round aluminum tube of ID 60mm and OD 80mm at 4 ?? .The tube is covered in 5mm thick fiberglass insulation. The tube is surrounded by RT air flowing at 5?? over the outside of the insulation. What is the heat rate through the wall of the tube? Assume that the air temperature is constant throughout the tube.

Residential Construction Academy: House Wiring (MindTap Course List)

4th Edition

ISBN:9781285852225

Author:Gregory W Fletcher

Publisher:Gregory W Fletcher

Chapter1: Residential Workplace Safety

Section: Chapter Questions

Problem 14RQ

See similar textbooks

Similar questions

Calkulakion_and scheduke_of results The amount of penetralionemm ) Time, min ) 4omm tomm 4 minte 14 mink 14mm 34 minh. Final Freezing Hmecorhur) The initial freeting ime min
노키 10ptis L₂ follft 다 0.1 ft 1 Visioft/s Figure 1
• U O 1 11:EA 2 52940180324047... Page3 Engineering Mechanics: Staties (E13) First Semester, Finst year, Academic yeur 2020-2021 Depanment of Civil Enginoering Instructor: Dr. Murtada Abass Cnllege of Enginenring Assignment Due date: Univenity of Minun February 27,2021 at 11:30 AM Q4: Determine the reactions at the supports A and B shown in the Figure Below due to the applied forces for the following cases: A) Neglect the weight of the beam. B) Consider the weight of the beam which is 50 N and located at the center of the beam (3.5 m from A) 600 N 200 N 02 m 45° 3 m 2 m 100 N Page4 Mechanies Staties (ET13) dester, First year, Academic yeur 2020-2021 it of Civil Enginoering Instructor Dr. Mutada Abass Assignment Due date: College of Engineering Univenity of Mfisan February 27,2021 at 11:30 AM Q5: Determine the reactions at the supports A and B for the Figure shown below.
A resonant circuit using a 286-nF capacitor is to resonate at 18.0 kHz. The air-core inductor is to be a solenoid with closely packed coils made from 12.0 m of insulated wire 1.1 mm in diameter. The permeability of free space is 4 x 107 T-m/A K ▼ Part A How many loops will the inductor contain? Express your answer as an integer. G| ΑΣΦ N = 14530 Submit Previous Answers Request Answer ? X Incorrect; Try Again; 5 attempts remaining
Which of the following best describes a Venturi Meter? an opening having a closed perimeter in a wall or partition used for measuring flow of fluids are flow measurement instruments which use a converging section of pipe it can be used to measure fluid flow velocity by converting Kinetic Energy to Potential an opening in a dam or other Ohydraulic structure to control the passage of water Trapezoidal weir with side slope of 1 horizontal to 4 vertical Suttro Weir V-Notch Weir Cipoletti Weir Contracted Weir
do peocent Explain Metho f Mo Denmensiunal to find dsage fosce diametes veclouty density Rayleighs. Anykis expsession fos Shapeof with iniform the Stepsof the on a ph moving a fint flwd f in a eind dynamic viscosity Slope end
A 500-N 6lock starts a 30' inchne (f-0.20) mitk a veltuty 420%. velscity rf2%. How long mut a G50-N horizmtal force act on the to body increase its veloaty to 10 m/s? How fur will the body tra vel while the force is ac ting?
ONAN MENDER AYDIN ADNAN MENDERES ÜNİVERSİTESİ IVE ITESI ONLINE SINAV PORTALI 181803026 026 181803026 number for this flow is 181803028 Air flows in a pipe which has 5 cm diameter at a velocity of 4 m/s. dynamic viscosity=1.802x10 and density.1.225 kg/m The Reys 26 181803026 O A) 13596 181803026 181803 O B) 11098 O C) 12605 181803026 O D) 21770 181803026 O E) 16745 Kalan Süre 44 181803026 18180026 181803026 O Bu soruyu cevaplamadan geçmek için bu seçeneği işaretleyin 1818 161803028 Sorunun Cevabı Kaydet ve Sonraki Soruya Geç Antaly 181803026 03028 181802028 1818 181803026 181803026 3818 181803026 181803026 181803026 181803026 181803026 181803026 101803026 18T80300 18180306 18 1818030
HNAL SINAVI 8- Which is not a component of Non-structural Comnponent? a) Life safety b) Mechanical and electrical utility components Architectural elements Contents Boş bırak KÖnceki 8/20 Sonraki> Каpat 00
9:16 A
Which of the following equations is used to determine the energy loss from transitions and fittings? h Lm = K- 2g D 2g -R,2/351/2 O v = KCR,0.63 s0.54
Refrigerant-134a is throttled from the saturated liquid state at 850 kPa to a pressure of 200 kPa. Determine the temperature drop during this process and the final specific volume of the refrigerant. P₁ = 850 kPa Sat. liquid 규 R-134a P₂ = 200 kPa