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

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05 June 2018 1,490 3 View

No title

05 June 2018 5,329 2 View

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

xxxxx

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

No title

01 January 1970 4,577 7 View

What are the Nusselt number(Nu) correlations for natural convection of gas through vertical hollow cylinder with transient flow?

what are the Nusselt number(Nu) correlations for natural convection of gas through vertical hollow cylinder with transient flow through cylinder?

01 January 1970 6,881 4 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 View

Why Austenite grains in steel show much more twinning than ferrite grains?

It is oftentimes said to be a distinctive metallographic trait that differentiates a fully austenitic and a fully felly ferritic steel without etching that might distinguish between two. Why...

02 March 2021 728 2 View

How Can I bring as much common elements in steel as possible to calculate stable phase(s) in OpenCalphad?

As I was tweaking step-by-step OpenCalphad6 Macros step1.ocm involving phase and thermal property calculation of a High-speed steel, I could not incorporate more than 6 elements in the steel...

01 March 2021 8,840 1 View

I need to accelerate corrosion in steel parts that are used in a salt-water environment. Is there a technique for doing so?

I have a structure that employs d-ring swiveling tie-downs that corrode during use and become "frozen". I have sample swivel assemblies that I wish to corrode to see if I can free them using one...

01 March 2021 3,739 3 View

Why is my platinum counter electrode getting dirty during electrodeposition?

I am conducting anodic electrodeposition of MnO2 onto a stainless steel substrate, using a platinum strip as a counter electrode. This is done galvanostatically, with the current held between 5...

27 February 2021 1,829 3 View

Mediation path analysis - Can I run two seperate models?

I am wanting to run a serial mediation model with 2 x IVs, 2 x MVs, and 3 DPs (all continuous). Is it problematic to run 2 different models for each IV, keeping the MVs and DPs the same in each...

27 February 2021 5,681 3 View

Can thermal cycler machines be problematic during PCR?

Hi, my question is about the heating of thermal cycler machines and I hope some of you had experienced a similar thing previously. There are two thermal cycler machines in the lab(BioRad) and for...

26 February 2021 4,777 4 View

How to calculate battery consumption for IoT device?

Hi, everyone I'm working on a privacy-preserving algorithm that will apply to IoT devices. So, I need to measure the power consumption by implementing this algorithm. Any suggestion, advice,...

25 February 2021 8,749 6 View

Have you ever experiencing air vent trouble in fermentation process?

Dear all, My research group is currently working with a 12-litre fermenter. Somehow, if we do the fermentation for more than 20 hours, the process will be more prone to contamination. Our current...

23 February 2021 1,908 2 View