What is Specific: Definition and 1000 Discussions

The Sustainable Product Engineering Centre for Innovative Functional Industrial Coatings (SPECIFIC) is an academic and industrial consortium led by Swansea University, with Tata Steel as the main industrial partner. It is funded by EPSRC, Innovate UK and the Welsh Government.The centre is developing the concept 'Buildings as Power Stations' and has been awarded £26 million, comprising £15 million from the EU, with the remaining money coming from EPSRC, Innovate UK, industry partners, and contributions from Swansea and Cardiff universities.
SPECIFIC has developed an 'Active Classroom', designed by architect Joanna Clarke and situated at Swansea University Bay Campus, showcasing innovative technologies for creating low carbon buildings which generate more energy than they consume. The Active Classroom won the Construction Excellence in Wales Award for Innovation in 2017.In 2018 the UK government announced £36 million funding for an Active Building Centre in order to accelerate market adoption of active buildings.

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  1. O

    Is it possible to create a specific wavelength

    I am wondering if a particular wavelength could be generated by Focusing two different wavelength lasers at the same spot? My hypothesis is no, because interference only affects amplitude and not wavelength,correct? Could there be another way of generating a specific wavelength from two...
  2. P

    Looking for waves to detect a specific material exclusively

    hello! is there a material or substance that can be detected using some kind of waves (magnetic, electromagnetic, ultrasound, infrared, whatever, etc) with extreme specificity (ie. no other materials or substances are to be mistaken) with extreme sensitivity (ie. a nanometer of that material or...
  3. N

    Ellipse Major Axis Determination

    Homework Statement The Attempt at a Solution I thought that an ellipse shares vertices on the y-axis and the x-axis. Making it neither vertical major axis. I am unsure about the question.[/B]
  4. B

    Lebesgue measure, prooving that a specific open set exists

    Homework Statement Homework EquationsThe Attempt at a Solution I have managed to solve it for the finite case, where the masure is less than infinity. But how do I solve it if the ,measure if the measure of E is infinite?
  5. N

    Designing function that draws specific output

    Hey all, recently saw this video on the batman curve, designed by a high school teacher that draws the batman logo. He combined an ellipse, straight line graphs and some other sinusoidal wave then forced the functions to be imaginary at certain points to hide the unwanted bits. question, how...
  6. C

    Maximal ideal not containing specific expression

    May there exist an integral domain R, with fraction field K, that fulfills the following condition: there exists x\in K, x\not \in R and a maximal ideal \frak m of R{[}x{]}, such that \frak m does not contain x-a for any a\in R ? Motivation : I am trying to prove a difficult result. A way to...
  7. B

    What's the car's acceleration at specific point?

    Homework Statement A remote controlled toy car starts from rest and begins to accelerate in a straight line. The figure below represents "snapshots" of the car's position at equal 0.5 s time intervals. (Assume the positive direction is to the right. Indicate the direction with the sign of your...
  8. C

    Electric field at specific point

    < Mentor Note -- thread moved to HH from the technical engineering forums, so no HH Template is shown > Determine the electric field in point P with coordinates (2a,0), if there's thin rod charged with electric charge Q and it's laying on x coordinate with length from -a to a, and it it's...
  9. D

    Specific Heat Capacity of water in a kettle

    Homework Statement mass, m, of water in kettle 1.5 kg power rating, P, of kettle 2.1 kW time interval, t, for heating 322 seconds starting temperature 4 °C = 277 K finishing temperature 100 °C = 373 K temperature change, ΔT 96 K electrical energy supplied, E = P × t...
  10. KOUSIK

    Specific heats for an incompressible substance

    why specific heats at constant pressure and volume are the same for an incompressible substance?
  11. evinda

    MHB Is my AVL-tree height finding method correct?

    Hello! (Wave) I had a test today , it was given an AVL-tree and I had to find the height of the node with key $k$. That's what I have tried: Height(T,K){ if (T==NULL) return; pointer R; R=LookUp(T,K); int k=height(R); return k; } height(pointer R){ static j=0,l=0; if...
  12. Suraj M

    Why is the molar specific heat of carbon so different from the predicted value?

    why is the molar specific heat of carbon(=6.1JMol-1K-1) so different from the predicted value of 3R≈25??
  13. evinda

    MHB Delete nodes with a specific property

    Hi! (Mmm) I want to write a function that takes as argument a pointer A to the root of a binary tree that simulates a (not necessarily binary) ordered tree. We consider that each node of the tree saves apart from the necessary pointers LC and RS, an integer number. The function should...
  14. C

    Determining a specific frequency to make the ball bounce

    So, here's the set-up: A small stereo speaker is connected to a function generator. A concave lens, bearing a ball is place over the speaker. Now, the frequency is slowly increased in the function generator. My question is, Will the ball really bounce at a certain frequency? Because I am not...
  15. J

    Spacetime Curvature by Mass: Gravity Impact?

    Is there an attribute of spacetime that determines the curvature that will be caused by a specific mass thus resulting to the corresponding gravity? In other words: can there be "harder" or "softer" regions of spacetime where the same mass will bend spacetime less or more thus resulting to less...
  16. S

    Calculating Mass Increase of Coffee Using Specific Heat Capacity

    Homework Statement Using coffee (specific heat capacity of 3.98 x 10^3 J/kg °C) calculate the increase in mass if you raised the temperature of a 353 g cup of coffee from 34° C to 97°C. Homework Equations Q=mcΔt The Attempt at a Solution I believe I just need to solve for m. However I have...
  17. S

    Specific question about what sample spaces are exactly

    Homework Statement A card is drawn at random from an ordinary deck of 52 playing cards (which means there are 0 jokers). Give the sample space. Homework Equations A set that consists of all possible outcomes of a random experiment is called a sample space, and each possible outcome of the...
  18. P

    Heat the core of an object or a specific point inside the object?

    hello! is it possible to heat the core of an object or a specific point inside the object? or are there specific objects we can do that? obviously after heating a specific point inside the object, the rest of the object will conductively heat up too, but I wonder if there is a way to...
  19. C

    Phonon contribution to specific heat of solids

    The low temperature heat capacity was experimentally shown to go as T^3 for low temeperatures (and as T for even lower temperatures for metals). This result came out of Debye's model after he modified Einstein's model, relaxing some of his assumptions. I have a few questions on Debye's model...
  20. R

    Specific heat Capacities of metals

    Hi Admin, please allow me to post this here: The General Formula for Specific Heat Capacity is: C(Total) = C(electron)+C(phonon) C(electron) = aT where a is the sommerfield constant. C(phonon) = bT^3 this time i don't know what is b (some constant) so my problem is, how can i determine b...
  21. R

    Thermodynamics : molar specific heats for gases

    Homework Statement An audience of 2750 fills a concert hall of volume 35000 m3. If there were no ventilation, by how much would the temperature of the air rise over a period of 2.0 h due to the metabolism of the people (70 W/person)? Homework Equations Q= nCvΔT Cv= (3/2) R The Attempt at a...
  22. A

    A few very specific questions about Venus

    Hi, I am working on an animated short movie about a mission to Venus. I have a few very specific questions to help me get an authentic look. Firstly, would an object in long term orbit around Venus (say a hundred thousand years or so) become coated in dust? If so, what colour? Secondly, what...
  23. K

    Finding the Specific Heat Capacity of a Potato

    Homework Statement So I've been trying to find the specific heat capacity of the potato for a while and keep coming up with an outrageous number (over 700,000 J/kgC) Here's what I've found mass of potato = 0.15kg initial T of potato = 18 degrees C final T of potato = 83 degrees C (is this not...
  24. evinda

    MHB Do we have to find a specific value?

    Hi! (Smile) Given that $T(n)=2T\left( \frac{n}{2}\right)+n^3$, I want to show that $T(n)=\Theta(n^3)$. In my notes, it is shown like that that: $T(n)=O(n^3) \Rightarrow T(n) \leq cn^3$: $$T(n)=2T\left( \frac{n}{2} \right)+n^3 \leq 2c \left( \frac{n}{2} \right)^3+n^3=\frac{cn^3}{4}+n^3=n^3...
  25. J

    Finding wavelength and intensity of a specific light

    Hi people not sure if this is feasible but this is the idea and like to hear your comments i wan 2 shine a specific color of light (could be colored LED, normal light,) to determine the wavelength n intensity of it, so i am thinking of using a photodiode and an opamp connected with a...
  26. Z

    Material with specific elec. conductivity

    Dear Friends, I am working on a project in which we need to shield an electrical field with a heavy 1 MHz component, at the same time, sparing the magnetic field as much as we can. With our limited knowledge, we came to the conclusion that a material with 10 kOhm conductivity would do this...
  27. R

    Calculating Specific Heat Capacity: Solving for Unknown Variables

    Homework Statement When 1.25 kg of a cold metal at a temperature of 263 K was immersed in 1.43 kg of water at a temperature of 365 K, the final temperature was 336 K. What is the specific heat capacity of the metal? Homework Equations Q=mc∆t -Q=Q[/B] The Attempt at a Solution The answer...
  28. C

    Thermodynamics - Specific Entropy

    Homework Statement 1)[/B] A quantity of propane is contained in a piston-cylinder assembly. This working fluid undergoes a process starting from an initial state of 2.0 MPa and 60oC. At the end of the process the pressure of the propane is 1.0 MPa and the specific entropy is 0.089 kJ/kgK higher...
  29. C

    Thermodynamics Steam Turbine Specific Entropy

    Homework Statement The mass flow rate through a steam turbine operating under steady conditions is 100 kg/s. Steam enters the turbine at 12 MPa and 400oC. A mixture of vapour and liquid water exits the turbine at 10 kPa. At the exit state 93% of the mass of the water is in vapour form. The...
  30. P

    Creating A Derivative Problem that has a specific solution

    Homework Statement So this is a problem that I am at a complete loss with. The question asked is, give an equation, using the quotient or power rule that derivative is equal to either sec(x) or cot(x). It doesn't matter which one, sec(x) or cot(x), just as long as the initial equation's...
  31. ellipsis

    Minimizing systems of boolean functions as per specific gate costs

    I've been grappling with this problem for a long time, but I think someone on this forum may know about this. Minimizing the joint number of products of a system of boolean equations is well-studied, and has various software implementations. Those are the Quine-McCluskey and Espresso...
  32. U

    How Do You Calculate the Final Mass of Water in a Calorimetry Experiment?

    Homework Statement A 0.080kg copper container (specific heat: 387Jkg-1K-1) contains 0.30kg of water and 0.040kg of ice at 0°C. Steam at 100°C is passed into the water and its temperature stabilizes at 20.0°C. Find the mass of the water left in the container assuming the system is insulated...
  33. P

    Finding the Specific Activity of Rubidium Chloride

    Homework Statement The element rubidium consists of two isotopes, the stable 85Rb and radioactive 87Rb (abundance 27.83%). What is the specific activity of natural rubidium chloride? Use Ar85.47 gmol-1 for rubidium element, Ar 86.91 gmol-1 for 87Rb, and Mr 120.92 gmol-1 for RbCl. Homework...
  34. A

    Specific Heat Capacity of water

    The specific heat capacity of water is accepted to be roughly 4.18 J/gK. How would the specific heat value of a given water sample be effected when sediments and other forms of particulation, such as iron oxide from rust, are present? Would the mixture have a higher specific heat capacity value...
  35. P

    The temp. dependent Specific heat and expansion coefficient of Cobalt?

    Hey. I am writing my master thesis, and I really need to find the temperature dependent heat capacity and expansion coffient for Cobalt. I have tried searching the internet, whitout luck. Please, can anybody help me. It is really important!
  36. S

    Specific heat capacity of copper

    Homework Statement A solid copper cylinder, 50 mm long and of 10 mm radius, is suspended in a vacuum calorimeter. Wound on the cylinder is a length of fine copper wire which is used as heater and resistance thermometer. Initially the resistance of the heater is 100.2 Ω. A current of 100 mA is...
  37. F

    MHB Find specific solution to IVP with two parameters

    x=c_1 cos(t)+c_2sin(t) is a family of solution to x''+x=0. Given x(\frac{\pi}{6})=\frac{1}{2} and x'(\frac{\pi}{6})=0 find a solution to the second order IVP consisting of this differential equation and the given intial conditions. The answer key has x=\frac{\sqrt{3}}{4}cos(t)+\frac{1}{4}sin(t)...
  38. F

    Specific Heat Capacity: Comparing Spheres

    How do I know which one of these two spheres have more specific heat capacity?
  39. I

    Specific Heat of a nonlinear, temperature dependent spring

    Homework Statement A nonlinear spring has a temperature dependent force law, F = -\frac{K}{T}(L-L_o)^3 At a temperature T = T_o and length L = L_o the specific heat at a constant length is C_L = C_o. What is the specific heat at T = T_o when the spring is stretched to length 2L_o...
  40. A

    Specific heat capacity of liquid form of permanent gases.

    Hi, The permanent gases like Nitrogen, Helium etc. have more specific heat capacity as liquid than their gases. Seemingly degree of freedom should reduce in liquid form, and therefore, specific heat capacity must reduce in liquid form. But this isn't the case. I remember reading somewhere...
  41. M

    Prove that sqrt(2) is irrational using a specific technique

    Homework Statement Prove that √2 is irrational as follows. Assume for a contradiction that there exist integers a, b with b nonzero such that (a/b)2=2. 1. Show that we may assume a, b>0. 2. Observe that if such an expression exists, then there must be one in which b is as small as...
  42. A

    Pressure rise in a vaccum system gas specific?

    If I introduce a gas into closed vacuum system at a known rate let's say 10 SCCM there will be a subsequent pressure rise over time. Is that pressure rise gas species dependent. If I evacuate the system and introduce a different gas at 10 SCCM should I see the same rate of pressure rise? Im...
  43. S

    Specific heat capacity - heating ice/water

    Homework Statement A pot on a stove burner contains 10kg of water and an unknown mass of ice at equilibrium at 0degC at time = 0min. During the first 50mins, the mixture remains at 0degC. From 50 to 60mins the temperature increases to 2degC. What is the initial mass of ice? Ignore the heat...
  44. S

    Specific heat capacity - heat energy transfer

    Homework Statement Find the mass of water that vaporizes when 3.39 kg of mercury at 243 °C is added to 0.476 kg of water at 90.0 ° Homework Equations q=mcT, q=mL The Attempt at a Solution When vaporising T=100degC. Heat lost by mercury = heat gained by water. 3.39kg x 139J/kg/C x...
  45. M

    Probability of measuring a specific value in a spin-1/2 system

    Homework Statement A spin-1/2 system in the state \left|ψ\right\rangle = \left|0.5, z\right\rangle of the S_{z} spin operator has eigenvalue s = +\hbar/2. Find the expectation values of the S_{z} and S_{x} operators. Homework Equations \left\langle S_{x,z}\right\rangle = \left\langle ψ...
  46. M

    How do I find the specific latent heat of fusion of nitrogen?

    When doing an experiment to find the specific latent heat of fusion of liquid nitrogen, you find that 100 kJ of heat must be removed to freeze 3.8kg of nitrogen at its freezing point. What value will you get for the specific latent heat of fusion of nitrogen? Power=100kj M=3.8kg I don't...
  47. shanepitts

    What is Specific Intensity in Astrophysics?

    I am currently autodidacting the basics of astrophysics, and I of course came across the term specific intensity. The book explicates that it is defined as the differential of intensity per frequency element. But is there a better explanation so that I could lean closer towards a visualization...
  48. K

    Calculating speed of specific Rising Gas

    Hello everyone. I am a college graduate perusing independent research of my own. I'm trying to figure out how to calculate how fast a specific gas (hydrogen) will rise from an initial velocity of 0 in room air and temperature. Basically, I'm trying to figure out how fast hydrogen would be...
  49. T

    Finding the Potential at a specific point in this Circuit

    Homework Statement Here is the circuit: http://gyazo.com/1e11d9208da0aa29d10b72128844ad40 What is the Electric Potential at Point A? Battery 1: 6.76 V Battery 2: 11.8 V Resistance 1: 100Ω Resistance 2: 217Ω Resistance 3: 312Ω Homework Equations Kirchhoff's Rules V=IR The...
  50. C

    Please help designing a specific electromagnet

    [/ATTACH][/ATTACH]I need some help designing my electromagnet because I am a bit lost with it I need to work out the gauge of the wire to be used, the resistance of the wire needs to match the battery's internal resistance for max power transfer I need to work out the most amount of turns...
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