how do i calculate the thrust of the rocket , its exit velocity and Specific impulse from just its mass flow rate? I have data about the gas i.e. xenon, and its mass flow rate at exit.
As we know about NEXT ion thruster developed by NASA and simulate thrusters by different organizations, they have a common design technique- a bombardment region which releases ions for thrust (...
01 March 2016 1,107 1 View
Which free available simulation software is there which could help simulate ion path after they are released from a source under action of magnetic and electric and other fields and depending on...
27 November 2015 5,033 6 View
Does anyone have suggestions for concise impulsivity scales that can be used in a study involving the general public? I have already reviewed the Barratt Impulsivity Scale - Brief, but I am...
17 October 2023 6,430 3 View
What are the pro's and con's of each scale? What is the gold standard? What are your experiences? I am having a hard time deciding which scale to implement in my research. I would be very grateful...
21 April 2021 5,114 0 View
Hello! I'm taking an internship in Social Psychology Laboratory and researching Impulsive Buying. However, it seems that little research gathers information about these two variables together. Me...
07 October 2019 5,197 5 View
In laminar boundary layer calculations, the wall shear stress parameter, v(x,0), is commonly used as the convergence criterion. This is probably because in boundary layer calculations, it is found...
21 September 2019 9,758 1 View
I know how to score the test, but want to know the standards for interpreting the scores? For example what does a score of 62 on Total Score signify?
06 July 2019 8,832 1 View
For my forensic masters dissertation topic: I am looking for questionnaires to measure attachment based on the attachment model. I am also looking for questionnaires to measure aggressiveness...
07 August 2018 9,050 4 View
Can anyone direct me to a good adult ADHD self report measure which is also non-proprietary(free)? I’ve found ASRS, but I’d like to see if I can find some other options. Dimensional measures for...
08 February 2018 7,158 15 View
Few studies till date (asfarasIknow) on child-abuse stratify victims according to perpetrators a) among parents (1 or 2) - e.g. with bipolar (or other violence-prone basic psychiatric disorders)...
15 January 2018 3,753 3 View
How do nerve impulses from the retina reach the brain? and how collect there ?
02 March 2017 7,529 3 View
Hello dear scientists!I want to create a laser system, which can generate laser impulse at a frequency of ~ 100kHz with pulse duration ~ 10ns.I've already choosen a laser driver.Next step is...
02 March 2017 9,654 1 View