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startxref 0000003897 00000 n Engineering Toolbox These cookies do not store any personal information. Copyright 2000 - 0000005167 00000 n Use MathJax to format equations. When applying the lever rule, I can find results which are fairly close (like about 0.5% away from the printed result) from those the lecturer provided, but I am a bit skeptical because maybe it's some sort of coincidence? When the light is on its at 0 V. What is the purpose of overlapping windows in acoustic signal processing? My comment was info for the OP. Announcing the Stacks Editor Beta release! Connect and share knowledge within a single location that is structured and easy to search. 0000009073 00000 n 0000010112 00000 n startxref 0000008949 00000 n 0000004334 00000 n <]/Prev 157927>> 0000004264 00000 n 0000004637 00000 n :\Td/7?.n@2-%#-IW\ b-AX5dNFJ<1 o?)6ddHcS^FHm!Y~{]=5:S4u&dYfm)V+{ od>fs^Q1~;MmRG-suS/6tG8u'L:dH8Y[=[-Awh2 0000000796 00000 n c8Gyf#NXPbqnNDRq0=80O%Nop9W QnSid.EPKRe%s "$P 0G 2d8. p=3l;:5R.Ers2cd -sa~s;(r92, xref 2022 HVAC and Solar Energy Engineering Calculations. 7/;o=1n;2,Y=\%9#nH{k]x$|E*}il$lNa7~(v('h.nHpy!b\l 8B6"?p{L?K2iU{,oy1X/_=M;!$6K> y}~^=[d,yg\;U!Cj qSK7Oq"9vAY3]e-:)2k8{D+f?SKfoi}fcJfulsP"vqZg7P'T_}@"8W|io. endstream endobj 40 0 obj<>stream 0 0000019052 00000 n Engineering Calculators You shouldn't assume that saturated steam exits the turbine.

The best answers are voted up and rise to the top, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company. 0000007605 00000 n Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. endstream endobj 87 0 obj <>stream We use cookies to improve your experience. ) @%+9XWs3oFo[KOJ}Sw;lR ~g(RJ"Bf/uQ9!L465w*B"v**= eT 0000004078 00000 n

0000002644 00000 n Removing a Coordinate Singularity of a 2D metric. 0000001106 00000 n 0000001056 00000 n %xww$R/92v '@ Ma 4>^w8q\KE!CF5Xw._6@1(@lp/m)9W(19Fc6s8#/zOz&},y[v{6@JaGjR IyV14hSABq\`dpdNFj2T? All rights reserved.Symbol Dr )wDDVh0y4w'}r}`v_ODl|o{"Qu?N;mlqWZd[TN^zbtrwtt~e6_ ppG98GG98HcNYZONZYOx5] By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. MathJax reference. 5 0 obj L(Y! aovC)?LA%)kWt 3Cb4eOwn>-n>,Px6-i{m`M4 #%0xy>va;!LZVljV}]3k How did the IBM 5153 color display detect and modify the signal to make low-intensity yellow into "brown"? %%EOF 0000001345 00000 n 0000005064 00000 n 2022, by Engineers Edge, LLC www.engineersedge.com Thanks, please check your inbox or spam folder to confirm your subscription. 0000001285 00000 n What happens if a debt is denominated in something that does not have a clear value? Physics Stack Exchange is a question and answer site for active researchers, academics and students of physics. 0000008223 00000 n 0000012092 00000 n You can find the entropy there as well (you will need to extrapolate). Saturated steam is steam that is in equilibrium with heated water at the same pressure, i.e., it has not been heated past the boiling point for that pressure. 26 25 0000014723 00000 n 0000009482 00000 n Okay: I have steam leaving a boiler at T = 873 K and P = 15 MPa and entering a turbine which it leaves at a pressure 2.1 MPa (these data are given), and I want to determine the other thermodynamic properties at this second point. 1VS9PC_'UTeu12MPjJ"QB'? 0000001165 00000 n 0000007088 00000 n This category only includes cookies that ensures basic functionalities and security features of the website. These steam tables are available in three formats: an Excel spreadsheet (.xlsx) containing three tables, or individual tables in comma-separated value (.csv) format or JavaScript object notation (.json) format. The values in the supersaturated stream tables should tell you that, for the final entropy needed, you are going to be below that of the saturated vapor. This interactive self-study module uses screencasts and a simulation to explain how to use steam tables: These screencasts demonstrate how to use steam tables: Download Microsoft Excel (.xlsx) steam tables (we recommend using Excel format unless you have a specific reason to use .csv or .json files): Download comma-separated value (.csv) steam tables: Download JavaScript object notation (.json) steam tables: National Institute of Standards and Technology (NIST), International Association for the Properties of Water and Steam (IAPWS), Properties of Liquid Water in Steam Tables, Saturated water properties organized by temperature - CSV, Saturated water properties organized by pressure - CSV, Compressed liquid and superheated steam properties - CSV, Saturated water properties organized by temperature - JSON, Saturated water properties organized by pressure - JSON, Compressed liquid and superheated steam properties - JSON. stream I see now he is referring to quality. \X=!0)zriDnYvgJwDX3%x~mBJ~&ug?wsnk=~#Hcw;)C;83d-q`fVX,nOY99-b8'?1 Ik, ^Y:]Cd6=|rt=E?R^-a7|y[z8veO}Y?~AlVw3gZ>$lLHq]r^9*WO[. Saturated Water and Steam (Temperature-based) calculator and table Based on the NIST Steam Tables. hj1_e@I RjR You will find the entropy for 600 C, 15 MPa, is 6.680. All rights reservedDisclaimer | %PDF-1.6 % Compressibility of Saturated Liquid Water, Question about carnot two phase power cycle. I looked it up in tables. 0000011575 00000 n

Is there a better way of defining a constraint on positive integer variables such that no two variables are the same and are uniquely assigned a value. What was the large green yellow thing streaking across the sky? 0000004485 00000 n dkts:hQj=3EN_%aCP}U1P` m[ 0000001838 00000 n I don't think so.

My question is: when can I move to using the saturated water tables instead of the steam tables? This website uses cookies to improve your experience while you navigate through the website. Training Online Engineering, Enthalpy Entropy (h-s) or Mollier Diagram. 0000008856 00000 n trailer 0000000016 00000 n 0000001026 00000 n HWr}W# After I chose a preferred referee for a submitted paper, is it un ethical to drop an email to the referee saying that I suggested their name? 34 23 0000008670 00000 n

J'wqs3hXw_uMQp@> Y4_puGQqr70 g{eAg v}H( ,oO?6b$ +>LA3?gycGr\6MG6?VfQ6p-dtBmK?c=rU9 " :9Yj_F+/}^_@=zHOQq/ '|8H>RNH)~d?:?mcJ9~KGj. How can I get an AnyDice conditional to convert a sequence to a boolean? 0000001123 00000 n ,6: V_F|8X6$ 0000014874 00000 n 0000003847 00000 n 0000003233 00000 n We'll assume you're OK with this, but you can opt-out if you wish. Feedback Advertising Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA.

Why can we not use the specific heat to determine the work done on steam in a Rankine cycle? <<331AA819609B9B4F992BFC7309D55DBE>]>> 0000016953 00000 n Engineering Book Store 0000010998 00000 n 0000001889 00000 n You need a complete superheat steam table (many stop at pressures well below 15 MPa). From there, knowing the isentropic efficiency, you should be able to estimate the other properties. 0000020919 00000 n AAOEKB+Symbol 'H HQWQ djDeltarhoCopyright (c) 1985, 1987, 1989, 1990, 1997 Adobe Systems Incorporated. We also use third-party cookies that help us analyze and understand how you use this website. 0000005457 00000 n 226 0 obj <> endobj 0000000016 00000 n No votes so far! 1R .\e||UTL+U|xy @ 6~"?=|>gw30jqa#Mu:nr&RiS"\8P0XdnVvm%2wMdq\Ir#_\1p5=IQ)*">/}y58EqDN-J_o:IMsL endstream endobj 27 0 obj<> endobj 29 0 obj<> endobj 30 0 obj<>/ProcSet[/PDF/Text]/ExtGState<>>> endobj 31 0 obj<> endobj 32 0 obj<> endobj 33 0 obj<> endobj 34 0 obj<> endobj 35 0 obj<> endobj 36 0 obj<> endobj 37 0 obj<> endobj 38 0 obj<> endobj 39 0 obj<>stream I probably should have posted higher on the page. hb```tVF>c`C0 bGri8$* "I@1CA_\wy[+[<8@4H10L@lL! 28 0 obj<>stream HWE6@pp#)zZNb{ET[ /?_r '8 Engineering Videos I think you have just got to check to see whether the entropy at the final pressure is going to be between that of the saturated liquid and the saturated vapor. Steam tables contain specific volume, enthalpy, internal energy, and entropy of water (both liquid and vapor) over a range of temperatures and pressures, including at saturation and supercritical conditions. 0000000016 00000 n %%EOF Yes, they do, I'm just wondering if there is a rule of thumb to know when to go to steam tables and when to go to saturated water tables. 0000002805 00000 n xb```VT>c`0p rjha|39; 0000003711 00000 n Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. 0000013168 00000 n 0000002801 00000 n 0000007744 00000 n 263 0 obj <>stream It only takes a minute to sign up. But opting out of some of these cookies may have an effect on your browsing experience. In a state with the common law definition of theft, can you force a store to take cash by "pretending" to steal? <]>> -DP+2^mA@ h)X,vA[*h-bQv|vg8dLqlr*q@4[ v/ Why does OpenGL use counterclockwise order to determine a triangle's front face by default? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. 0000005381 00000 n 0000008763 00000 n 0000003590 00000 n 0000001398 00000 n 0000011058 00000 n xb```f``i``2:@ (p0Xq5r+gT8gqC}-3qr_d`H. 0000006009 00000 n Online Books & Manuals 0000015019 00000 n rev2022.7.29.42699. 226 38 To learn more, see our tips on writing great answers. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. If he looks at the saturated steam table for 1.2 MPa he will see that the entropy for sat vapor is less that 6.50 and realize he should be looking at the superheat steam table. 0000004141 00000 n Please re-read.

Thanks for contributing an answer to Physics Stack Exchange! ? 0000004597 00000 n 26 0 obj <> endobj % %PDF-1.4 % 86 0 obj <>stream I want to start of course with s2 isentropic = s1 and work back from there. 0 Engineering Forum 56 0 obj <>stream It is mandatory to procure user consent prior to running these cookies on your website. u specific thermal (internal) energy kJ/kg. 0000012977 00000 n 0000002275 00000 n How does a steam turbine work in a closed loop? 0000009240 00000 n Don't your steam tables also have tables for saturated water/steam, including liquid and vapor enthalpies, internal energies, and entropies? 0000004097 00000 n %PDF-1.4 0000011952 00000 n ..there's no point in the steam tables where this entropy exists at that pressure-. %PDF-1.3 % Water droplets on the turbine blades lead to erosion, so turbines are designed to avoid saturated conditions. 0000007221 00000 n xZ\ dW\ q"mqIXm=l99wZRlXZ*)VJ;5chU:QdJGM Ro1sgWL>>UV(wU_S2?m2MZ:p**NWxrb{lg_P{)) 0000000756 00000 n 0000009724 00000 n HTn E{b]Q*D"C&=qxR#aypK2=`{fh1wqj@JB?Kqi;}O#.$%+N30P Convert all small words (2-3 characters) to upper case with awk or sed, My switch going to the bathroom light is registering 120 V when the switch is off. Finding the enthalpy should be straightforward because I know that the isentropic efficiency of the turbine is 0.91. u0Q@UMM0Q@`&Bvva/5kH-cmi@^(VlB(kv6,a-SL\{C=@RjBa"MC5V*a.7|buzbo7.y "dFBtQ6s'+8 HbJQ(>@jC2,\c{ac_}5A(USCi$ 0000003427 00000 n %PDF-1.6 % 0000031889 00000 n

0000001008 00000 n endstream endobj 41 0 obj<> endobj 42 0 obj<> endobj 43 0 obj<>stream 0000019840 00000 n You also have the option to opt-out of these cookies. %%EOF 0000002371 00000 n trailer (",AB'(TAW^L{)8l3A4/{B*`5t%c|k)$m\SR. m. You will also find that the steam exiting the turbine also appears to be superheat. endstream endobj 35 0 obj <> endobj 36 0 obj <> endobj 37 0 obj <> endobj 38 0 obj <>/Font<>/ProcSet[/PDF/Text]>> endobj 39 0 obj <> endobj 40 0 obj <> endobj 41 0 obj <> endobj 42 0 obj <> endobj 43 0 obj <> endobj 44 0 obj <> endobj 45 0 obj <> endobj 46 0 obj <> endobj 47 0 obj <>stream Revised manuscript sent to a new referee after editor hearing back from one referee: What's the possible reason? 0000008576 00000 n xref What is the relationship between algorithms and logic? Be the first to rate this post. 0 When do we use the saturated water tables in a steam/Rankine cycle? <>

0000002852 00000 n xref Necessary cookies are absolutely essential for the website to function properly. startxref 0000011225 00000 n How to automatically interrupt `Set` with conditions. trailer 0000010166 00000 n @DavidWhite I said superheat leaves the turbine, not saturated steam. Making statements based on opinion; back them up with references or personal experience. 34 0 obj <> endobj It seems almost arbitrary but it has some important repercussions. @7F^ #|E;`qF~ - xR/ 0000001463 00000 n 0000002394 00000 n @DavidWhite Sorry David, I didn't look at his entire post. 0000006388 00000 n Now my problem is this: I can't cross-tabulate the isentropic entropy with this pressure in the steam tables--there's no point in the steam tables where this entropy exists at that pressure--so I went instead to the tables for saturated water. Asking for help, clarification, or responding to other answers. 0000026145 00000 n 0000006793 00000 n Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. 0000016476 00000 n 0000003346 00000 n These cookies will be stored in your browser only with your consent. The data in these steam tables is provided by the. We are sorry that this post was not useful for you! If saturated steam is reduced in temperature (while retaining its pressure) it will condense to produce water droplets, even if it is still considerably above the boiling point of 100C at standard pressure . 0000002623 00000 n 0000016966 00000 n hjA_]U67AbvLsYtnfN.BdH|Ip`5\fDOgB2Dd:c uC,0fF(U. Starting at P2 = 2.1 MPa, I then found the "quality" (or "vapour fraction") by applying the lever rule. !%,}j|j .mSqlCXW_l|6tNs1"b;9Lv>a4ZZJamt>@W-x"O_+ qD ,-Dok_`l~fbK.5x8l}Z+$yavH:FC+b p.Z/i7#)J}\)Em {B(BY05tlbZ2Wm ?$fatI+S7XL,CsGVoKoI> #Bw~TyjpQu#]v0%tmdO_f&.Jr2A4',ip DaE.>c>}Ol@T0x$VM;\) Wp% LV!u #UWCm I+\@i@N:B;2`D\AWg0uKqn a6n1tXBbgK) Z{aAiX-(EC)`r}D^HYp/XxO*a3vaZJe\.r.b5 yh#Sw@P+U"20koX1fU bVf$ifgp@gy;hQ_o#Z8;XzUcZ3Z3K>W@Rg4B>g^G4MdmJ/pT&c xSP|b@rH`BGPjTg4h)r 0000018273 00000 n Is there some kind of rule I can use to do this? 0000010497 00000 n 0000009126 00000 n Excel App. Check Ohio.edu. 0000005570 00000 n | Contact, Home Downloads

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