![subject](/tpl/images/cats/fizika.png)
Physics, 15.01.2020 23:31 elijah1090
Steam in a heating system flows through tubes whose outer diameter is 5 cm and whose walls are maintained at a temperature of 130 ◦c. circular aluminum alloy 2024-t6 fins (k = 186 w/m · k, ηf = 0.97) of outer diameter 6 cm and constant thickness 1 mm are attached to the tube. the space between the fins is 3 mm, and thus there are 250 fins per meter length of the tube. heat is trans- ferred to the surrounding air at t[infinity] = 25 ◦c, with a heat transfer coefficient of 40 w/m2 · k.
determine the increase in heat transfer from the tube per meter of its length as a result of adding fins.
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Physics
![image](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 02:40, jordynsmith02
If the wheels lock when braking suddenly the vehicle: a: loses traction b: lose steering wheel ability c: gain speed slightly d: gain steering ability
Answers: 1
![image](/tpl/images/cats/fizika.png)
![image](/tpl/images/cats/fizika.png)
![image](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 20:30, carson9373
What are some important factors to consider when choosing a warm-up before your workout?
Answers: 2
You know the right answer?
Steam in a heating system flows through tubes whose outer diameter is 5 cm and whose walls are maint...
Questions in other subjects:
![Konu](/tpl/images/cats/himiya.png)
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 02.10.2020 15:01
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/en.png)
English, 02.10.2020 15:01
![Konu](/tpl/images/cats/mat.png)
Mathematics, 02.10.2020 15:01
![Konu](/tpl/images/cats/mat.png)
Mathematics, 02.10.2020 15:01
![Konu](/tpl/images/cats/en.png)
English, 02.10.2020 15:01
![Konu](/tpl/images/cats/mat.png)
Mathematics, 02.10.2020 15:01