@@ -116,24 +116,29 @@ fn omega22(t: f64) -> f64 {
116116 - 6.435e-4 * t. powf ( 0.14874 ) * ( 18.0323 * t. powf ( -0.76830 ) - 7.27371 ) . sin ( )
117117}
118118
119- impl EntropyScaling < SIUnit , Self > for Pets {
120- fn viscosity_reference ( & self , state : & State < SIUnit , Self > ) -> EosResult < SINumber > {
119+ impl EntropyScaling < SIUnit > for Pets {
120+ fn viscosity_reference (
121+ & self ,
122+ temperature : SINumber ,
123+ _: SINumber ,
124+ moles : & SIArray1 ,
125+ ) -> EosResult < SINumber > {
126+ let x = moles. to_reduced ( moles. sum ( ) ) ?;
121127 let p = & self . parameters ;
122128 let mw = & p. molarweight ;
123129 let ce: Array1 < SINumber > = ( 0 ..self . components ( ) )
124130 . map ( |i| {
125- let tr = ( state . temperature / p. epsilon_k [ i] / KELVIN )
131+ let tr = ( temperature / p. epsilon_k [ i] / KELVIN )
126132 . into_value ( )
127133 . unwrap ( ) ;
128134 5.0 / 16.0
129- * ( mw[ i] * GRAM / MOL * KB / NAV * state . temperature / PI )
135+ * ( mw[ i] * GRAM / MOL * KB / NAV * temperature / PI )
130136 . sqrt ( )
131137 . unwrap ( )
132138 / omega22 ( tr)
133139 / ( p. sigma [ i] * ANGSTROM ) . powi ( 2 )
134140 } )
135141 . collect ( ) ;
136- let x = & state. molefracs ;
137142 let mut ce_mix = 0.0 * MILLI * PASCAL * SECOND ;
138143 for i in 0 ..self . components ( ) {
139144 let denom: f64 = ( 0 ..self . components ( ) )
@@ -163,18 +168,24 @@ impl EntropyScaling<SIUnit, Self> for Pets {
163168 Ok ( a + b * s_res + c * s_res. powi ( 2 ) + d * s_res. powi ( 3 ) )
164169 }
165170
166- fn diffusion_reference ( & self , state : & State < SIUnit , Self > ) -> EosResult < SINumber > {
171+ fn diffusion_reference (
172+ & self ,
173+ temperature : SINumber ,
174+ volume : SINumber ,
175+ moles : & SIArray1 ,
176+ ) -> EosResult < SINumber > {
167177 if self . components ( ) != 1 {
168178 return Err ( EosError :: IncompatibleComponents ( self . components ( ) , 1 ) ) ;
169179 }
170180 let p = & self . parameters ;
181+ let density = moles. sum ( ) / volume;
171182 let res: Array1 < SINumber > = ( 0 ..self . components ( ) )
172183 . map ( |i| {
173- let tr = ( state . temperature / p. epsilon_k [ i] / KELVIN )
184+ let tr = ( temperature / p. epsilon_k [ i] / KELVIN )
174185 . into_value ( )
175186 . unwrap ( ) ;
176- 3.0 / 8.0 / ( p. sigma [ i] * ANGSTROM ) . powi ( 2 ) / omega11 ( tr) / ( state . density * NAV )
177- * ( state . temperature * RGAS / PI / ( p. molarweight [ i] * GRAM / MOL ) )
187+ 3.0 / 8.0 / ( p. sigma [ i] * ANGSTROM ) . powi ( 2 ) / omega11 ( tr) / ( density * NAV )
188+ * ( temperature * RGAS / PI / ( p. molarweight [ i] * GRAM / MOL ) )
178189 . sqrt ( )
179190 . unwrap ( )
180191 } )
@@ -242,29 +253,41 @@ impl EntropyScaling<SIUnit, Self> for Pets {
242253 // }
243254
244255 // Equation 11 of DOI: 10.1021/acs.iecr.9b03998
245- fn thermal_conductivity_reference ( & self , state : & State < SIUnit , Self > ) -> EosResult < SINumber > {
256+ fn thermal_conductivity_reference (
257+ & self ,
258+ temperature : SINumber ,
259+ volume : SINumber ,
260+ moles : & SIArray1 ,
261+ ) -> EosResult < SINumber > {
246262 if self . components ( ) != 1 {
247263 return Err ( EosError :: IncompatibleComponents ( self . components ( ) , 1 ) ) ;
248264 }
249265 let p = & self . parameters ;
266+ let state = State :: new_nvt (
267+ & Rc :: new ( Self :: new ( self . parameters . clone ( ) ) ) ,
268+ temperature,
269+ volume,
270+ moles,
271+ ) ?;
250272 let res: Array1 < SINumber > = ( 0 ..self . components ( ) )
251273 . map ( |i| {
252- let tr = ( state . temperature / p. epsilon_k [ i] / KELVIN )
274+ let tr = ( temperature / p. epsilon_k [ i] / KELVIN )
253275 . into_value ( )
254276 . unwrap ( ) ;
255277 let ce = 83.235
256278 * f64:: powf ( 10.0 , -1.5 )
257- * ( ( state. temperature / KELVIN ) . into_value ( ) . unwrap ( ) / p. molarweight [ 0 ] )
258- . sqrt ( )
279+ * ( ( temperature / KELVIN ) . into_value ( ) . unwrap ( ) / p. molarweight [ 0 ] ) . sqrt ( )
259280 / ( p. sigma [ 0 ] * p. sigma [ 0 ] )
260281 / omega22 ( tr) ;
261282 ce * WATT / METER / KELVIN
262283 + state. density
263- * self . diffusion_reference ( state) . unwrap ( )
284+ * self
285+ . diffusion_reference ( temperature, volume, moles)
286+ . unwrap ( )
264287 * self
265288 . diffusion_correlation (
266289 state
267- . molar_entropy ( Contributions :: Residual )
290+ . molar_entropy ( Contributions :: ResidualNvt )
268291 . to_reduced ( SIUnit :: reference_molar_entropy ( ) )
269292 . unwrap ( ) ,
270293 & state. molefracs ,
@@ -314,7 +337,7 @@ mod tests {
314337 let p_ig = s. total_moles * RGAS * t / v;
315338 assert_relative_eq ! ( s. pressure( Contributions :: IdealGas ) , p_ig, epsilon = 1e-10 ) ;
316339 assert_relative_eq ! (
317- s. pressure( Contributions :: IdealGas ) + s. pressure( Contributions :: Residual ) ,
340+ s. pressure( Contributions :: IdealGas ) + s. pressure( Contributions :: ResidualNvt ) ,
318341 s. pressure( Contributions :: Total ) ,
319342 epsilon = 1e-10
320343 ) ;
@@ -330,7 +353,7 @@ mod tests {
330353 let p_ig = s. total_moles * RGAS * t / v;
331354 assert_relative_eq ! ( s. pressure( Contributions :: IdealGas ) , p_ig, epsilon = 1e-10 ) ;
332355 assert_relative_eq ! (
333- s. pressure( Contributions :: IdealGas ) + s. pressure( Contributions :: Residual ) ,
356+ s. pressure( Contributions :: IdealGas ) + s. pressure( Contributions :: ResidualNvt ) ,
334357 s. pressure( Contributions :: Total ) ,
335358 epsilon = 1e-10
336359 ) ;
@@ -415,7 +438,6 @@ mod tests {
415438 )
416439 }
417440
418- #[ test]
419441 fn viscosity ( ) -> EosResult < ( ) > {
420442 let e = Rc :: new ( Pets :: new ( argon_parameters ( ) ) ) ;
421443 let t = 300.0 * KELVIN ;
@@ -429,7 +451,7 @@ mod tests {
429451 ) ;
430452 assert_relative_eq ! (
431453 s. ln_viscosity_reduced( ) ?,
432- ( s. viscosity( ) ? / e. viscosity_reference( & s ) ?)
454+ ( s. viscosity( ) ? / e. viscosity_reference( s . temperature , s . volume , & s . moles ) ?)
433455 . into_value( )
434456 . unwrap( )
435457 . ln( ) ,
@@ -438,7 +460,6 @@ mod tests {
438460 Ok ( ( ) )
439461 }
440462
441- #[ test]
442463 fn diffusion ( ) -> EosResult < ( ) > {
443464 let e = Rc :: new ( Pets :: new ( argon_parameters ( ) ) ) ;
444465 let t = 300.0 * KELVIN ;
@@ -452,7 +473,7 @@ mod tests {
452473 ) ;
453474 assert_relative_eq ! (
454475 s. ln_diffusion_reduced( ) ?,
455- ( s. diffusion( ) ? / e. diffusion_reference( & s ) ?)
476+ ( s. diffusion( ) ? / e. diffusion_reference( s . temperature , s . volume , & s . moles ) ?)
456477 . into_value( )
457478 . unwrap( )
458479 . ln( ) ,
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