I would like to heat a steel tube inside a hollow cylindrical water cooled copper tube using induction heating coil but I am concerned about power?

I would like to heat a steel tube inside a hollow cylindrical water cooled copper tube using induction heating coil but I am concerned about the power consumption. How can I know how much power...

07 August 2018 8,505 1 View

Any idea how to do gas tight sealing for given design?

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05 June 2018 1,490 3 View

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05 June 2018 5,329 2 View

Any idea how to do gas tight sealing for given design?

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05 June 2018 5,085 4 View

At what distance I can place metals parts on upper and lower position of vertically placed induction heating coil ?

At what distance I can place metals parts on upper and lower position of vertically placed induction heating coil (50mm outer diameter and 100mm long) in order to not let the outside metals heat...

05 June 2018 9,502 1 View

What are the Nusselt number(Nu) correlations that I can use for free convection of gases in cylindrical tube with transient flow?

What are the Nusselt number(Nu) correlations that I can use for free convection of gases in cylindrical tube with transient flow?

07 August 2017 6,940 2 View

How can I calculate the distance to maintain between induction coil and metal parts outside the coil in order to protect them from magnetic field?

How can I calculate the distance to maintain between induction heating coil and metal parts outside the coil in order to protect them from magnetic field? Is there any formula to calculate the...

07 August 2017 9,092 2 View

What are some online sources where I can find all material properties of ceramics in one place?

can anyone suggest me some online or offline sources where I can find all material properties of all ceramics in one place?

06 July 2017 9,949 3 View

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01 January 1970 4,577 7 View

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Where can I find life cycle inventory or assessment of non woven materials?

Dear network, I am looking for the LCA or LCI or at least the energy balances of the non woven fabrics process for my master project, in specific for natural fibers, yet I have found...

02 March 2021 9,662 1 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View

Necessary tube lenght to cool Natural gas in a dry-ice cooling bath?

I have a tank which contains natural gas at 250 Bar and 293 Kelvin. I want to cool the gas in a dry-ice cooling bath to about 195 Kelvin. The gas will flow in a copper-tube through the bath with a...

27 February 2021 8,128 1 View

Exit velocity of natural gas from pressurized tank?

Hi Guys. I'm a mechanical engineer and have a bit trouble, would be very glad if you could help me with my questions. I have a pressurized tank which contains Natural Gas at 200 Bar and 293...

26 February 2021 6,253 3 View

Gas sensor response and recovery time independant of flow rate and chamber volume?

I am trying to obtain the response and recovery times for my gas sensor device. It appears the the response/recovery times are primarily dependant on the flow rate of the gas I inject into the...

26 February 2021 1,511 3 View

Why do a weight decrease for thermal degradation in nitrogen gas condition?

Hi all The question is related to TGA(Thermogravimetric analysis). Thermal degradation easily understood but why do samples weight decrease? altough just binding is broked, the weight of...

26 February 2021 1,100 5 View

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View

How can I verify my centrifugal fan design for electric motor cooling?

I have radial blade centrifugal fan design which will be mounted on exhaust side of electric traction motor. The fan will be mounted on same motor shaft inside the housing. How can I verify that...

23 February 2021 2,390 3 View