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Questions related to Heat Transfer
Hi everybody; I attached two picture of tubesheets of shell and tube condenser in which unperforated region are used in the middle of perforated region. I would be grateful if you can help me...
06 June 2019 4,470 3 View
I want calculate the ara for a heat exchanger that one side of that exchanger flows steam and I need convection heat transfer coefficients ( h values ) at different pressure and temperature. If...
06 June 2019 8,277 6 View
relationship between convection heat transfer and entrance region
06 June 2019 8,159 2 View
improve by adding ribs
06 June 2019 4,097 1 View
I have a cubical system that includes many nanoparticles in the center those produces heat in transient state. And the system is kept in the normal environment with stationary air at the...
06 June 2019 3,636 2 View
Firing the generator of a solar absorption chiller without using a heat transfer fluid will eliminate the need for a pump and therefore increase COP.
06 June 2019 6,103 4 View
What is the difference in heat transfer will take place when we use corrugated pipes in shell and tube heat exchanger instead of plain type? If anyone have any reference regarding the above,...
06 June 2019 7,429 7 View
I am researching on impacts of combined cycles power plants on micro climate. In this research we looking for models to predicts the impacts, such as dispersion of stacks and specifically heat...
31 May 2019 4,585 0 View
Hi, I am trying to measure temperature difference between inlet and outlet of a channel which is heated from upper wall. According to Q= m. Cp. DT formula 1 Celsius degree difference is expected...
30 May 2019 1,924 16 View
05 May 2019 2,852 17 View
Hello there. I'm learning new abaqus and I know the questions are easy. But there is no other source for help. I installed the two-layer plates with the '' face to face '' command. When I apply...
05 May 2019 5,435 6 View
How hydrophobic surface influence heat transfer?
05 May 2019 8,536 4 View
It is well known that the geopolymerization is an exothermic reaction. But, the measurement of heat flow at different temperatures using Isothermal calorimeter has displayed the decrease of the...
05 May 2019 9,692 1 View
04 May 2019 3,951 1 View
We are studying a heat transfer problem of maraging steel 300. There may be a phase change (from martensite to austenite, at ~600 deg C), and I wonder if the heat associated with that phase change...
25 April 2019 9,296 3 View
Why is the onset temperature on the DSC curve lower than the peak temperature? I wonder why the peak have such a strange shape. Please look at the pictures attached. Sample: protein solution...
04 April 2019 2,251 6 View
04 April 2019 9,213 4 View
Does anyone know about the effect of horseshoe vortex on heat transfer?
04 April 2019 9,177 7 View
The evaporation of injected water in shape of droplet could cause internal cooling of compressed air inside each compressor. The total heat transfer may be presented in terms of convection and...
04 April 2019 3,113 4 View
Increasing Nusselt number.
04 April 2019 1,492 7 View
Reynolds number is a very involved parameter we use in the flow and heat transfer problem. It is a non dimensional parameter. One of its physical meaning is the ratio of inertia force to viscous...
04 April 2019 7,724 1 View
I am modeling a composite slab subjected to fire (ISO 834-1). I have two models, a heat transfer model in ABAQUS / standard and a mechanical model in ABAQUS / Explicit due to convergences issues...
04 April 2019 4,105 9 View
I want to insert helical screw twist tape in some part of pipe for making swil and enhancement in heat transfer. the flow regim in the tube is laminar and fluid is water. i want to know How long...
23 March 2019 4,987 2 View
Which Nano-materials have high fire point, flash point, thermal conductivity and heat transfer coefficient. So that it can be used in a coolant incorporated with base fluids.
19 March 2019 8,985 4 View