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. M

    Temperature of planets from their Luminosities at specific wavelengths.

    Hi! I have worked on this for a while and cannot seem to get a reasonable answer. I have been given the Luminosities of planets at different wavelengths and I need to determine the Temperature. I re-arranged Planck's equation to find T but I keep getting really low temperatures Planet A...
  2. V

    Minimum beam dimension for specific max stress

    Homework Statement A beam (note: part of a truss, I chose to use the beam in the truss with the most force and length for my calculations, which I assume is the correct thing to do) of length 6m with a force of 9N is being constructed out of a material with a Young's Modulus of E = 70 \times...
  3. J

    Determining the number of subsets of a set with a specific property

    I found an example like the problem asks, but I'm still trying to show the first part. You want the maximum number of subsets such that you can guarantee none are pairwise disjoint. I'm trying to apply my specific case to the whole problem. For a set with 3 elements, I chose all of the sets...
  4. I

    How to measure copper sulfate specific heat

    Homework Statement I was wondering, how can i measure the specific heat capacity of a solution? Not the exercise, just doing an experimental work to measure it. Homework Equations q=mct The Attempt at a Solution I'm lost.
  5. N

    Engineering Finding a specific current in a circuit using Mesh current analysis

    Homework Statement Develop the mesh-current matrix equation for the circuit. http://i.imgur.com/tvZA0.png Homework Equations ƩV_{n} = 0 The Attempt at a Solution I used Mesh current analysis to find 4 equations, but the equations for the first and second mesh are not related...
  6. N

    Diccrete Math problem: finding a proposition given a specific truth table

    I've been working at this problem for a while and it seems that there should be an easier more systematic way of solving it. Here it is: Find a proposition using only p, q, ¬ and the connective ∧ with the given truth table. p q ? T T F T F F F T T F F T I know of a...
  7. N

    Diccrete Math problem: finding a proposition given a specific truth table

    Homework Statement Find a proposition using only p, q, ¬ and the connective ∧ with the given truth table. p q ? T T F T F F F T T F F T Homework Equations The Attempt at a Solution There is a systematic way of solving these but this system requires the use of an...
  8. E

    Specific heat capacity of brass

    Homework Statement i getting the wrong the answer i am trying to find the specific heat capacity of brass using copper calorimeter Data : mass of brass bob= 32.5gm mass of calorimeter = 39.7 gm mass of water + calorimeter = 93.9gm mass of water = 93.9 - 39.7 = 54.2g specific...
  9. R

    I've done 95% of this. I just don't get one specific part. General cal physics

    Homework Statement A fish is swimming in a horizontal place has velocity of ( vi = 4.00i + 1.00j) ms at a point in the ocean where the position relative to a certain rock is ri=(10.i- 4.00j)m. After the fish swims with constant acceleration for 20 s, it velocity is v = 20.0i -5.00j. Question...
  10. M

    Specific heat capacity and final temperature

    Homework Statement A 2.8 kg sample of a metal with a specific heat of 0.43KJ/KgC is heated to 100.0C then placed in a 50.0 g sample of water at 30.0C.* What is the final temperature of the metal and the water? Homework Equations heat loss by the metal = heat gain by the water The...
  11. J

    Calculating Specific Volume of Hydrogen at Given Pressure and Temperature?

    Homework Statement A sample of hydrogen is at a pressure of 1000mb and a temperature of +10° C. Calculate its specific volume.Homework Equations I'm guessing PV=mRT The Attempt at a Solution P=1 bar m=2 g R=constant (do I use the universal constant or is there a constant for Hydrogen? If so...
  12. B

    Specific heat at constant volume

    C_{V} = \frac{∂U}{∂T} This is the specific heat at constant volume so I assume it can only be used at constant volume. However, my textbook uses this to derive the following equation for reversible adiabatic expansion: P_{1}V_{1}^{γ} = P_{2}V_{2}^{γ} Why are we allowed to use C_{V}...
  13. M

    Specific Heat Capacity of aluminum rivets

    Homework Statement Some aluminum rivets of total mass 170 g at 100°C are emptied into a hole in a large block of ice at 0°C' a. What will be the final temperature of the rivets? b. How much ice will melt? Homework Equations none The Attempt at a Solution Please help me answer...
  14. P

    Specific Heat of Sodium vs Absolute Temperature

    what is the relation between Specific Heat and Absolute Temperature of any material ? Specifically, Sodium. Cp vs T ( not the change in temperature) Any mathematical formula ? Thanks
  15. L

    Schools Graduate school personal statement- how specific about field of interest?

    I'm working on writing my graduate school application right now. It was easy to talk about my academic qualifications and all the research I have done. But I don't know how specific I need to get when talking about what I'm interested in. I'm a chemistry major. I have a broad interest in...
  16. M

    Specific Heat Capacity of Tantalum

    I got a problem with this one, please help me, Tantalum is an element that is used in aircraft parts. Tantalum has a specific heat capacity of about 140 J/kg K. The aircraft part has a mass of 0.23 kg and is cooled from a temperature of 1200 K by being placed in water. If 30000 J of heat is...
  17. T

    Specific Heat of Liquid Saturation Line and Vapour Saturation Line in RefProp

    Hello There, So I made a plot of some specific heats in refprop, and I chose the "Draw Saturation Lines" option. When I did this, the follow chart was produced. http://i.imgur.com/h34Pq.png Now my question is, what are these saturation lines representing? -TP
  18. C

    Specific solution of diff eq, no initial value

    Homework Statement Consider the differential equation Find a general solution to this differential equation that has the form . . . y = Cx3 Find a second solution that might not be a general solution and which may have a different value of n than your first solution. The Attempt at a...
  19. N

    What is the best way to find a specific chemical for a lab class?

    Homework Statement I need to find a specific chemical for a lab class. The manual states the chemical must: Be used as a drug in the pharmaceutical industry Have one chiral center Be soluble (make 4 Molar solutions) in water So...any ideas? Or, better yet, is there a database where I...
  20. C

    Integration using a specific method

    Homework Statement I am suppose to rearrange the integral in order to use this formula to solve it: ∫f'(x)/f(x)dx=ln|f(x)|+C Homework Equations My integral is ∫(e^x+1)/(e^x+e^-x+2). The Attempt at a Solution Any help?
  21. J

    Why are specific heat high in water but low in ethylene glycol?

    Im sorry to ask such a question but I've been trying to understand the molecular reasons for why specific heat is high in some molecules but low in others. For example water has a specific heat of 4180 yet has a boiling point of 100 degrees Celsius but ethylene glycol (ethane 1,2 di-ol) has a...
  22. H

    Specific Heat: Bond or Freedom of Degree Based, Or Size?

    Specific Heat: Bond or Freedom of Degree Based, Or Size?? Okay so I've been trying to understand what causes one substance to have a higher specific heat then other but I've read quite a few conflicting sources in which one says its due to the freedom of degree, while another says the weight of...
  23. H

    Specific Heat: Degree of Freedom & Energy Storage

    Homework Statement Okay I have to write an EEI (Extended Experimental Investigation) for physics in relation to which radiator coolant is best from a thermodynamics point of view, thus the specific heat of the coolant is the main focus. But to incorporate more depth into the report, I was going...
  24. S

    Help needed with a specific epsilon-delta limit proof

    Homework Statement limit[1/(x-2)^3]=-inf as x->2 Homework Equations The Attempt at a Solution 2-delta<x<2 1/(x-2)^3 < M -delta<x-2<0 (x-2)^3>1/M (-delta)^3<(x-2)^3<0 =>(-delta)^3=1/M=>-delta=croot(1/M)=>delta=-croot(1/M) ...huh? how could delta be...
  25. G

    Ohms law implies specific condition for the charge density

    We have all seen Ohms law, J=σE. This approximations makes sense in simple electric fields in which the charges are accelerated in parallel. However as I will demonstrate, this implies a few conditions on the charge density (ρ) associated with the current density (J). Now, from the continuity...
  26. F

    Basic question, integral at a specific point

    Homework Statement This isn't a specific problem ;) Homework Equations The Attempt at a Solution My thought process, skip to the last paragraph if you want the question: I was wondering how you compute an integral at a specific x value, let's say c. Based on the fact that the...
  27. T

    Does undergrad matter? Specific vs Engineering Science

    Short question: Does it matter if I do specific engineering or is engineering science just as good? Background info: I've taken two years of engineering science so far but they were all base level courses and haven't got too much into the real meat of engineering yet. I did just switch...
  28. T

    Question About Measuring Specific Heat Capacity

    Recently, I did a physics lab experiment to find the specific heat capacity of an unknown sample material. The lab instructions kept insisting that the sample had to be kept in boiling water for at least 10 minutes. My question is why? Could I have found the specific heat capacity if the sample...
  29. C

    Proving Closure of Set of Operators w/ Property P Under Addition

    Could you please give me a hint on how to show that a set of operators with a property P is closed under addition? In other words, how one could prove that a sum of any two operators from the set still possesses this property P. The set is assumed to be infinite. Any references, comments...
  30. H

    Vector intersecting other vectors in a specific manner

    Hi. I'm new here, first post. I hope I do it correctly :) I'm trying to solve a specific problem, which I need solved for a programming task. Now, my first approach was to iterate a solution which was close enough within some error boundaries I defined. But... it needs to be done correctly, if...
  31. P

    How does the Higgs field differentiate between particles giving specific masses

    I was wondering how (or if it is known) the Higgs assigns different masses to different particles. We know that mass comes from the resistance that the Higgs field provides to particles but why are some particles such as photons able to move through without a hint of resistance, whereas...
  32. P

    On motor at specific time everyday

    Hi All I have a requirement where i want my motor pump to start at 6 AM morning and OFF after certain level of my water tank. I have browsed few links where i found some 555 timers and level controllers, but not able to consolidate them. Please help me the steps to assemble them in...
  33. C

    What determines specific heat capacity of a solid?

    Homework Statement Have to do a write up of an experiment on specific heat capacity of metals. Tested 50g of nickel and lead, each heated to 90C and then put into 50g of water and measuring the change in its temperature. Found that lead has a lower specific heat capacity. Homework Equations...
  34. J

    Multiple lenses systems - specific scenarios

    Homework Statement Hi all... this isn't really a homework question, but more a question to reinforce the concept of multiple lenses. Firstly, it makes sense that the image location of an object would be behind a 2-convergent lenses system, provided they are sufficiently spaced apart...
  35. B

    Specific question on Goldstein section on Time-independent perturbation theory

    I apologize that this is rather specific, but hopefully enough people have used Goldstein. I have a basic grasp of action-angle variables, and I'm going through the time-independent perturbation theory section in Goldstein (12.4). In this section we seek a transformation from the unperturbed...
  36. P

    Need specific Hubble images. Archive does not have them.

    I'm doing a summer internship and my supervisor is currently away and uncontactable. He left me details of certain Hubble images to download and analyse asking for HST images of M31 with coordinates 00:42:52.534 +41:18:54.17 on 2006-07-15 and 2007-01-12. (YYYY-MM-DD) The problem is that...
  37. B

    Newton's Law of Cooling & Specific Heat Capacity

    Newton's Law of Cooling basically states (I believe): TObj = (TInital-TEnv)ekt + TEnv where k is a property of the material. In the equation: Q=mCΔT Specific heat capacity, C, is also a material property. So here's my question: Is there a relation between Newton's Law's k and the...
  38. J

    Year 12: Cambridge Physics (Calculus in Specific heat capacity)

    Below 20K, The specific heat capacity c of silver varies with temperature according to the equationc/\text{J /kg /K} = 1.5x10^{-4}(T/K)^3 + 6.0x10^{-3} T/K. If a small silver sphere of diameter 4am and at 20K is placed in 25g of liquid helium at 4K, what fraction of the liquid will evaporate...
  39. M

    Forming a specific number with given numbers and operations

    Suppose you are given (1) a natural number N; (2) a set of natural num- bers S = {n1; n2; : : : }; (3) a set of arithmetic operators, say +; -;*; = (with the usual meaning of addition, multiplication, substraction, di- vision). Your job is to construct an arithmetic expression R built from...
  40. Crazymechanic

    Can Gravity Be Manipulated Like Electromagnetic Force?

    Hi , I have a question that arose in mind. If gravity is a spacetime curvature just like GR says it is the I guess the only way to altering it is from the physical size/density of the object curving the space fabric, like sun being bigger having higher gravity and so on. But if we find that...
  41. J

    Need specific IR thermometer model for experimental physics lab

    I work in a nano-optics group, and need an IR thermometer with certain specifications. Online I have only come across cooking thermometers and industrial thermometers, so I need help finding one for a physics experimental lab setup. Specifications: - high accuracy, and pin-point surface...
  42. M

    Radioactivity & Specific Heat Capacity Question

    Homework Statement 0.2g of a radium salt was separated from a ton of uranium ore. The radioactive radium nuclide Ra-226 decays by alpha-particle emission with a half-life of 1600 years. 1 year = 3.16x107s. The curie is defined as the number of disintegrations per second from 1.0g of Ra...
  43. H

    How to read a specific type of dimensional analysis

    In some work I have been following, I keep seeing notation like: for energy ... ML^2 T^{-2} How is this supposed to be read? I understand this is using mass, length and time, but what is it saying? Would I be right in thinking it says ''mass times length squared divided by time...
  44. R

    Helium tank filling parts to a specific pressure?

    Homework Statement I have a tank that has 8000 cubic feet of helium in it. I have parts I'm filling to a gage pressure of 0.5 bar. The parts have a volume of 0.05ft^3. How many cubic feet of helium are in each part? Temperature is constant. Homework Equations I'm not sure if I'm missing...
  45. J

    Need help on Thermodynamics problem: thermal expansion to be more specific

    Need help on Thermodynamics problem: thermal expansion to be more specific! A steel ring with a 2.5000in- inside diameter at 20.0°C is to be warmed and slipped over a brass shaft with a 2.5015in outside diameter at 20.0°C. Part A: To what temperature should the ring be warmed? Part B...
  46. A

    Finding current through in a specific part of a parallel circuit.

    Homework Statement In this circuit E1 = 5.98 volts and E2 = 4.45 volts. To the nearest hundredth of an amp what is I1? I have attatched a picture Homework Equations V=IR 1/Req=1/R1+ 1/R2+ 1/R3 The Attempt at a Solution Well I think I know that resistance for the whole...
  47. G

    Real Analysis - Differentiation in R^n - Example of a specific function

    Homework Statement Give an example of a continuous function f:R^2→R having partial derivatives at (0,0) with f_1 (0,0)≠0,f_2 (0,0)≠0 But the vector (f_1 (0,0),f_2 (0,0)) does not point in the direction of maximal change, even though there is such a direction. (If this is too difficult...
  48. W

    Gear Calculations using exact length for specific time

    I have this conveyor which I am trying to automate i.e. It runs for 5 secs and have a pause of 3 sec, this process is continuous. I am creating a mechanism where I have a gear of dia 200mm which is fixed (i.e. I can't change its dia) and it is attached to a conveyor. Now I am introducing a...
  49. E

    Why does ice have a lower specific heat capacity ?

    Throughout my time doing physics I have noticed that ice has a lower specific heat capacity than water. I don't understand why. To me it seems that the bonds between water molecules in a solid are stronger and hence require a greater deal of thermal energy to break. Hence, the PE of the...
  50. QuarkCharmer

    What are the advantages of learning C++ as a first programming language?

    I just finished all of my finals today, and now the summer is here! I am in a REU for the semester, and I should have plenty of time to learn a programming language. So, this afternoon, I googled around a bit for information... and I can't figure out what to do! I was debating on Java...
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