24 Answered Questions for the topic Heat Transfer

Heat Transfer Mechanical Engineering

08/11/21

Calculate Steady-State Temperature
A 0.2 m thick plane wall has its temperature on one side maintained at 50oC and has a thermal conductivity of 15 W/m*k. The other side is exposed to air at 30oC with a convection coefficient of 7... more
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09/03/20

Integrating an ODE
ODE: x(dt/dx)=C, where 𝐶 is constant, in the domain 𝑥1 ≤ 𝑥 ≤ 𝑥2, subject to boundary conditions: 𝑇(𝑥1 ) = 𝑇1 and 𝑇(𝑥2 ) = 𝑇2. Find the dimensionless temperature distribution 𝑇(𝑥)−𝑇1 𝑇2−𝑇1 . Looking... more
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Heat Transfer Calculus

09/03/20

Integrating something that already has a dx in it
What would integrating both sides of x*(dT/dx)=C in terms of x look like?I keep getting that T(x)=C, but i don't think that's right. boundary conditions: 𝑇(𝑥1 ) = 𝑇1 and 𝑇(𝑥2 ) = 𝑇2 Thank you
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Heat Transfer Algebra 2 Mathematics

08/14/19

I need help to solve for T. Not sure how 90 = 0.5454(T - 303) + [(1.6(10^-9))(T^4 - (303^4))]
90 = 0.5454(T - 303) + [(1.6(10^-9))(T^4 - (303^4))]I need to solve for T but dont know how to with the whole T^4
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08/03/19

What is conduction or diffusion?
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08/03/19

What is a thermocouple?
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08/03/19

What is a thermoelectric cooler?
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08/02/19

What causes heat transfer?
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08/02/19

What is advection?
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08/02/19

What are the types of heat transfer?
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08/01/19

What is convection?
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08/01/19

What type of heat transfer is a microwave?
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07/31/19

What is thermal radiation?
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07/31/19

What are the ways in which heat transfer can be modeled?
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07/30/19

What type of heat transfer is boiling water?
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07/30/19

What is the Rayleigh number?
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07/30/19

What type of heat transfer is baking?
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07/30/19

What is a heat engine?
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11/23/16

Calculating Enthalpy in a Calorimeter Experiment
When 25.0 mL of 1.0 M H2SO4 is added to 50.0mL of 1.0M of NaOH at 25.0 degrees C in a calorimeter, the temperature of the aqueous solution increases to 33.9 degrees C. Assuming that the specific... more
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Heat Transfer Science Biology Physics

09/29/16

Really need clarification for this.
in a thermal pot, there is a layer of vacuum in the outer wall, an inner pot lid and an outer pot lid.    Please help me to clarify these questions:     1. Does hot food radiate heat? Or does... more
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Heat Transfer Mechanical Engineering

08/08/16

I am having a doubt in heat transfer (mechanical engineering).
I am working in an fmcg company where 'Thermic fluid lines' are used for drying chilly coriander garlic and cumin. The output of the thermic fluid is 6 lakh Kcal/hour. The load of thermic fluid... more
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Heat Transfer Physics Mass Degrees

04/21/16

Heat transfer between metal and water, what amount of water is boiled?
You place a very hot piece of aluminum (T=120 degrees C, c=900 J/(kg*degrees C) into a 500ml beaker of water that is already at an initial temperature of 90.0 degrees C. The mass of this piece of... more
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Heat Transfer Physics

11/08/15

Heat Transfer
Suppose a lake has a layer of ice 12 cm thick on its surface. The top of the ice layer is cooled by the atmosphere to -5.45° C. The lower surface is in contact with water at 0.0° C. The thermal... more
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07/03/15

Wha is the final temperature of this mixture?
I'm reviewing some practice thermodynamics questions for my upcoming physics exam but I can't figure out how to set these up properly.   1. If you mix two parts hot 80° C water with one part 10°... more
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