uom/si/
heat_transfer.rs

1//! Heat transfer (base unit watt per square meter kelvin, kg · s⁻³ · K⁻¹).
2//!
3//! Heat transfer is also known as heat transfer coefficient, film coefficient, or film
4//! effectiveness. Commonly expressed using derived units power and area: watt per square meter
5//! kelvin.
6//!
7//! Heat transfer has the same kind as [temperature interval][ti], as this quantity relates to
8//! change of temperature. Not of kind `TemperatureKind`, used by [thermodynamic temperature][tt].
9//! See [thermodynamic temperature][tt] for a full explanation.
10//!
11//! [ti]: ../temperature_interval/index.html
12//! [tt]: ../thermodynamic_temperature/index.html
13
14quantity! {
15    /// Heat transfer (base unit watt per square meter kelvin, kg · s⁻³ · K⁻¹).
16    quantity: HeatTransfer; "heat transfer";
17    /// Dimension of heat transfer, MT⁻³Th⁻¹ (base unit watt per square meter kelvin,
18    /// kg · s⁻³ · K⁻¹).
19    dimension: ISQ<
20        Z0,     // length
21        P1,     // mass
22        N3,     // time
23        Z0,     // electric current
24        N1,     // thermodynamic temperature
25        Z0,     // amount of substance
26        Z0>;    // luminous intensity
27    units {
28        @yottagram_per_second_cubed_kelvin: prefix!(yotta) / prefix!(kilo); "Yg/(s³ · K)",
29            "yottagram per second cubed kelvin", "yottagrams per second cubed kelvin";
30        @zettagram_per_second_cubed_kelvin: prefix!(zetta) / prefix!(kilo); "Zg/(s³ · K)",
31            "zettagram per second cubed kelvin", "zettagrams per second cubed kelvin";
32        @exagram_per_second_cubed_kelvin: prefix!(exa) / prefix!(kilo); "Eg/(s³ · K)",
33            "exagram per second cubed kelvin", "exagrams per second cubed kelvin";
34        @petagram_per_second_cubed_kelvin: prefix!(peta) / prefix!(kilo); "Pg/(s³ · K)",
35            "petagram per second cubed kelvin", "petagrams per second cubed kelvin";
36        @teragram_per_second_cubed_kelvin: prefix!(tera) / prefix!(kilo); "Tg/(s³ · K)",
37            "teragram per second cubed kelvin", "teragrams per second cubed kelvin";
38        @gigagram_per_second_cubed_kelvin: prefix!(giga) / prefix!(kilo); "Gg/(s³ · K)",
39            "gigagram per second cubed kelvin", "gigagrams per second cubed kelvin";
40        @megagram_per_second_cubed_kelvin: prefix!(mega) / prefix!(kilo); "Mg/(s³ · K)",
41            "megagram per second cubed kelvin", "megagrams per second cubed kelvin";
42        /// Derived unit of heat transfer in base units. Equivalent to W/(m² · K).
43        @kilogram_per_second_cubed_kelvin: prefix!(kilo) / prefix!(kilo); "kg/(s³ · K)",
44            "kilogram per second cubed kelvin", "kilograms per second cubed kelvin";
45        @hectogram_per_second_cubed_kelvin: prefix!(hecto) / prefix!(kilo); "hg/(s³ · K)",
46            "hectogram per second cubed kelvin", "hectograms per second cubed kelvin";
47        @decagram_per_second_cubed_kelvin: prefix!(deca) / prefix!(kilo); "dag/(s³ · K)",
48            "decagram per second cubed kelvin", "decagrams per second cubed kelvin";
49        @gram_per_second_cubed_kelvin: prefix!(none) / prefix!(kilo); "g/(s³ · K)",
50            "gram per second cubed kelvin", "grams per second cubed kelvin";
51        @decigram_per_second_cubed_kelvin: prefix!(deci) / prefix!(kilo); "dg/(s³ · K)",
52            "decigram per second cubed kelvin", "decigrams per second cubed kelvin";
53        @centigram_per_second_cubed_kelvin: prefix!(centi) / prefix!(kilo); "cg/(s³ · K)",
54            "centigram per second cubed kelvin", "centigrams per second cubed kelvin";
55        @milligram_per_second_cubed_kelvin: prefix!(milli) / prefix!(kilo); "mg/(s³ · K)",
56            "milligram per second cubed kelvin", "milligrams per second cubed kelvin";
57        @microgram_per_second_cubed_kelvin: prefix!(micro) / prefix!(kilo); "µg/(s³ · K)",
58            "microgram per second cubed kelvin", "micrograms per second cubed kelvin";
59        @nanogram_per_second_cubed_kelvin: prefix!(nano) / prefix!(kilo); "ng/(s³ · K)",
60            "nanogram per second cubed kelvin", "nanograms per second cubed kelvin";
61        @picogram_per_second_cubed_kelvin: prefix!(pico) / prefix!(kilo); "pg/(s³ · K)",
62            "picogram per second cubed kelvin", "picograms per second cubed kelvin";
63        @femtogram_per_second_cubed_kelvin: prefix!(femto) / prefix!(kilo); "fg/(s³ · K)",
64            "femtogram per second cubed kelvin", "femtograms per second cubed kelvin";
65        @attogram_per_second_cubed_kelvin: prefix!(atto) / prefix!(kilo); "ag/(s³ · K)",
66            "attogram per second cubed kelvin", "attograms per second cubed kelvin";
67        @zeptogram_per_second_cubed_kelvin: prefix!(zepto) / prefix!(kilo); "zg/(s³ · K)",
68            "zeptogram per second cubed kelvin", "zeptograms per second cubed kelvin";
69        @yoctogram_per_second_cubed_kelvin: prefix!(yocto) / prefix!(kilo); "yg/(s³ · K)",
70            "yoctogram per second cubed kelvin", "yoctograms per second cubed kelvin";
71
72        @kilogram_per_second_cubed_degree_celsius: prefix!(kilo) / prefix!(kilo); "kg/(s³ · °C)",
73            "kilogram per second cubed degree celsius", "kilograms per second cubed degree celsius";
74
75        // Heat transfer is much more commonly expressed in terms of power / area (heat flux).
76        @yottawatt_per_square_meter_kelvin: prefix!(yotta); "YW/(m² · K)",
77            "yottawatt per square meter kelvin", "yottawatts per square meter kelvin";
78        @zettawatt_per_square_meter_kelvin: prefix!(zetta); "ZW/(m² · K)",
79            "zettawatt per square meter kelvin", "zettawatts per square meter kelvin";
80        @exawatt_per_square_meter_kelvin: prefix!(exa); "EW/(m² · K)",
81            "exawatt per square meter kelvin", "exawatts per square meter kelvin";
82        @petawatt_per_square_meter_kelvin: prefix!(peta); "PW/(m² · K)",
83            "petawatt per square meter kelvin", "petawatts per square meter kelvin";
84        @terawatt_per_square_meter_kelvin: prefix!(tera); "TW/(m² · K)",
85            "terawatt per square meter kelvin", "terawatts per square meter kelvin";
86        @gigawatt_per_square_meter_kelvin: prefix!(giga); "GW/(m² · K)",
87            "gigawatt per square meter kelvin", "gigawatts per square meter kelvin";
88        @megawatt_per_square_meter_kelvin: prefix!(mega); "MW/(m² · K)",
89            "megawatt per square meter kelvin", "megawatts per square meter kelvin";
90        @kilowatt_per_square_meter_kelvin: prefix!(kilo); "kW/(m² · K)",
91            "kilowatt per square meter kelvin", "kilowatts per square meter kelvin";
92        @hectowatt_per_square_meter_kelvin: prefix!(hecto); "hW/(m² · K)",
93            "hectowatt per square meter kelvin", "hectowatts per square meter kelvin";
94        @decawatt_per_square_meter_kelvin: prefix!(deca); "daW/(m² · K)",
95            "decawatt per square meter kelvin", "decawatts per square meter kelvin";
96        /// Derived unit of heat transfer in derived units. Equivalent to kg/(s³ · K).
97        @watt_per_square_meter_kelvin: prefix!(none); "W/(m² · K)",
98            "watt per square meter kelvin", "watts per square meter kelvin";
99        @deciwatt_per_square_meter_kelvin: prefix!(deci); "dW/(m² · K)",
100            "deciwatt per square meter kelvin", "deciwatts per square meter kelvin";
101        @centiwatt_per_square_meter_kelvin: prefix!(centi); "cW/(m² · K)",
102            "centiwatt per square meter kelvin", "centiwatts per square meter kelvin";
103        @milliwatt_per_square_meter_kelvin: prefix!(milli); "mW/(m² · K)",
104            "milliwatt per square meter kelvin", "milliwatts per square meter kelvin";
105        @microwatt_per_square_meter_kelvin: prefix!(micro); "µW/(m² · K)",
106            "microwatt per square meter kelvin", "microwatts per square meter kelvin";
107        @nanowatt_per_square_meter_kelvin: prefix!(nano); "nW/(m² · K)",
108            "nanowatt per square meter kelvin", "nanowatts per square meter kelvin";
109        @picowatt_per_square_meter_kelvin: prefix!(pico); "pW/(m² · K)",
110            "picowatt per square meter kelvin", "picowatts per square meter kelvin";
111        @femtowatt_per_square_meter_kelvin: prefix!(femto); "fW/(m² · K)",
112            "femtowatt per square meter kelvin", "femtowatts per square meter kelvin";
113        @attowatt_per_square_meter_kelvin: prefix!(atto); "aW/(m² · K)",
114            "attowatt per square meter kelvin", "attowatts per square meter kelvin";
115        @zeptowatt_per_square_meter_kelvin: prefix!(zepto); "zW/(m² · K)",
116            "zeptowatt per square meter kelvin", "zeptowatts per square meter kelvin";
117        @yoctowatt_per_square_meter_kelvin: prefix!(yocto); "yW/(m² · K)",
118            "yoctowatt per square meter kelvin", "yoctowatts per square meter kelvin";
119
120        // Power per area temperature interval
121        @watt_per_square_kilometer_degree_celsius: prefix!(none) / (prefix!(kilo) * prefix!(kilo));
122            "W/(km² · °C)", "watt per square kilometer degree celsius",
123            "watts per square kilometer degree celsius";
124        @watt_per_square_meter_degree_celsius: prefix!(none); "W/(m² · °C)",
125            "watt per square meter degree celsius", "watts per square meter degree celsius";
126        @watt_per_square_centimeter_degree_celsius:
127            prefix!(none) / (prefix!(centi) * prefix!(centi)); "W/(cm² · °C)",
128            "watt per square centimeter degree celsius",
129            "watts per square centimeter degree celsius";
130        @watt_per_square_millimeter_degree_celsius:
131            prefix!(none) / (prefix!(milli) * prefix!(milli)); "W/(mm² · °C)",
132            "watt per square millimeter degree celsius",
133            "watts per square millimeter degree celsius";
134
135        // Energy per time area temperature interval
136        @joule_per_second_square_meter_kelvin: prefix!(none); "J/(s · m² · K)",
137            "joule per second square meter kelvin", "joules per second square meter kelvin";
138        @joule_per_second_square_meter_degree_celsius: prefix!(none); "J/(s · m² · °C)",
139            "joule per second square meter degree celsius",
140            "joules per second square meter degree celsius";
141        @btu_it_per_hour_square_foot_degree_fahrenheit: 5.678_264_134_306_046;
142            "Btu (IT)/(hr · ft² · °F)",
143            "British thermal unit (IT) per hour square foot degree Fahrenheit",
144            "British thermal units (IT) per hour square foot degree Fahrenheit";
145        @btu_it_per_hour_square_inch_degree_fahrenheit: 8.176_700_353_400_707_E2;
146            "Btu (IT)/(hr · in² · °F)",
147            "British thermal unit (IT) per hour square inch degree Fahrenheit",
148            "British thermal units (IT) per hour square inch degree Fahrenheit";
149        @btu_it_per_minute_square_foot_degree_fahrenheit: 3.406_958_480_583_627_4_E2;
150            "Btu (IT)/(min · ft² · °F)",
151            "British thermal unit (IT) per minute square foot degree Fahrenheit",
152            "British thermal units (IT) per minute square foot degree Fahrenheit";
153        @btu_it_per_minute_square_inch_degree_fahrenheit: 4.906_020_212_040_425_E4;
154            "Btu (IT)/(min · in² · °F)",
155            "British thermal unit (IT) per minute square inch degree Fahrenheit",
156            "British thermal units (IT) per minute square inch degree Fahrenheit";
157        @btu_it_per_second_square_foot_degree_fahrenheit: 2.044_175_088_350_176_5_E4;
158            "Btu (IT)/(s · ft² · °F)",
159            "British thermal unit (IT) per second square foot degree Fahrenheit",
160            "British thermal units (IT) per second square foot degree Fahrenheit";
161        @btu_it_per_second_square_inch_degree_fahrenheit: 2.943_612_127_224_254_4_E6;
162            "Btu (IT)/(s · in² · °F)",
163            "British thermal unit (IT) per second square inch degree Fahrenheit",
164            "British thermal units (IT) per second square inch degree Fahrenheit";
165        @btu_per_hour_square_foot_degree_fahrenheit: 5.674_464_473_928_946; "Btu/(hr · ft² · °F)",
166            "British thermal unit per hour square foot degree Fahrenheit",
167            "British thermal units per hour square foot degree Fahrenheit";
168        @btu_per_hour_square_inch_degree_fahrenheit: 8.171_228_842_457_684_E2;
169            "Btu/(hr · in² · °F)", "British thermal unit per hour square inch degree Fahrenheit",
170            "British thermal units per hour square inch degree Fahrenheit";
171        @btu_per_minute_square_foot_degree_fahrenheit: 3.404_678_684_357_368_E2;
172            "Btu/(min · ft² · °F)", "British thermal unit per minute square foot degree Fahrenheit",
173            "British thermal units per minute square foot degree Fahrenheit";
174        @btu_per_minute_square_inch_degree_fahrenheit: 4.902_737_305_474_611_E4;
175            "Btu/(min · in² · °F)", "British thermal unit per minute square inch degree Fahrenheit",
176            "British thermal units per minute square inch degree Fahrenheit";
177        @btu_per_second_square_foot_degree_fahrenheit: 2.042_807_210_614_421_E4;
178            "Btu/(s · ft² · °F)", "British thermal unit per second square foot degree Fahrenheit",
179            "British thermal units per second square foot degree Fahrenheit";
180        @btu_per_second_square_inch_degree_fahrenheit: 2.941_642_383_284_766_E6;
181            "Btu/(s · in² · °F)", "British thermal unit per second square inch degree Fahrenheit",
182            "British thermal units per second square inch degree Fahrenheit";
183    }
184}
185
186#[cfg(test)]
187mod tests {
188    storage_types! {
189        use crate::num::One;
190        use crate::si::area as a;
191        use crate::si::energy as e;
192        use crate::si::heat_transfer as ht;
193        use crate::si::mass as m;
194        use crate::si::power as p;
195        use crate::si::quantities::*;
196        use crate::si::temperature_interval as ti;
197        use crate::si::time as t;
198        use crate::tests::Test;
199
200        #[test]
201        fn check_dimension() {
202            let _: HeatTransfer<V> = Mass::new::<m::kilogram>(V::one())
203                / (Time::new::<t::second>(V::one())
204                    * Time::new::<t::second>(V::one())
205                    * Time::new::<t::second>(V::one())
206                    * TemperatureInterval::new::<ti::kelvin>(V::one()));
207        }
208
209        #[test]
210        fn check_base_units() {
211            test::<m::yottagram, t::second, ti::kelvin, ht::yottagram_per_second_cubed_kelvin>();
212            test::<m::zettagram, t::second, ti::kelvin, ht::zettagram_per_second_cubed_kelvin>();
213            test::<m::exagram, t::second, ti::kelvin, ht::exagram_per_second_cubed_kelvin>();
214            test::<m::petagram, t::second, ti::kelvin, ht::petagram_per_second_cubed_kelvin>();
215            test::<m::teragram, t::second, ti::kelvin, ht::teragram_per_second_cubed_kelvin>();
216            test::<m::gigagram, t::second, ti::kelvin, ht::gigagram_per_second_cubed_kelvin>();
217            test::<m::megagram, t::second, ti::kelvin, ht::megagram_per_second_cubed_kelvin>();
218            test::<m::kilogram, t::second, ti::kelvin, ht::kilogram_per_second_cubed_kelvin>();
219            test::<m::hectogram, t::second, ti::kelvin, ht::hectogram_per_second_cubed_kelvin>();
220            test::<m::decagram, t::second, ti::kelvin, ht::decagram_per_second_cubed_kelvin>();
221            test::<m::gram, t::second, ti::kelvin, ht::gram_per_second_cubed_kelvin>();
222            test::<m::decigram, t::second, ti::kelvin, ht::decigram_per_second_cubed_kelvin>();
223            test::<m::centigram, t::second, ti::kelvin, ht::centigram_per_second_cubed_kelvin>();
224            test::<m::milligram, t::second, ti::kelvin, ht::milligram_per_second_cubed_kelvin>();
225            test::<m::microgram, t::second, ti::kelvin, ht::microgram_per_second_cubed_kelvin>();
226            test::<m::nanogram, t::second, ti::kelvin, ht::nanogram_per_second_cubed_kelvin>();
227            test::<m::picogram, t::second, ti::kelvin, ht::picogram_per_second_cubed_kelvin>();
228            test::<m::femtogram, t::second, ti::kelvin, ht::femtogram_per_second_cubed_kelvin>();
229            test::<m::attogram, t::second, ti::kelvin, ht::attogram_per_second_cubed_kelvin>();
230            test::<m::zeptogram, t::second, ti::kelvin, ht::zeptogram_per_second_cubed_kelvin>();
231            test::<m::yoctogram, t::second, ti::kelvin, ht::yoctogram_per_second_cubed_kelvin>();
232
233            test::<m::kilogram, t::second, ti::degree_celsius,
234                ht::kilogram_per_second_cubed_degree_celsius>();
235
236            fn test<
237                M: m::Conversion<V>,
238                T: t::Conversion<V>,
239                TI: ti::Conversion<V>,
240                HT: ht::Conversion<V>>()
241            {
242                Test::assert_approx_eq(&HeatTransfer::new::<HT>(V::one()),
243                    &(Mass::new::<M>(V::one())
244                        / (Time::new::<T>(V::one())
245                            * Time::new::<T>(V::one())
246                            * Time::new::<T>(V::one())
247                            * TemperatureInterval::new::<TI>(V::one()))));
248            }
249        }
250
251        #[test]
252        fn check_power_per_area_ti_units() {
253            test::<p::yottawatt, a::square_meter, ti::kelvin,
254                ht::yottawatt_per_square_meter_kelvin>();
255            test::<p::zettawatt, a::square_meter, ti::kelvin,
256                ht::zettawatt_per_square_meter_kelvin>();
257            test::<p::exawatt, a::square_meter, ti::kelvin, ht::exawatt_per_square_meter_kelvin>();
258            test::<p::petawatt, a::square_meter, ti::kelvin,
259                ht::petawatt_per_square_meter_kelvin>();
260            test::<p::terawatt, a::square_meter, ti::kelvin,
261                ht::terawatt_per_square_meter_kelvin>();
262            test::<p::gigawatt, a::square_meter, ti::kelvin,
263                ht::gigawatt_per_square_meter_kelvin>();
264            test::<p::megawatt, a::square_meter, ti::kelvin,
265                ht::megawatt_per_square_meter_kelvin>();
266            test::<p::kilowatt, a::square_meter, ti::kelvin,
267                ht::kilowatt_per_square_meter_kelvin>();
268            test::<p::hectowatt, a::square_meter, ti::kelvin,
269                ht::hectowatt_per_square_meter_kelvin>();
270            test::<p::decawatt, a::square_meter, ti::kelvin,
271                ht::decawatt_per_square_meter_kelvin>();
272            test::<p::watt, a::square_meter, ti::kelvin, ht::watt_per_square_meter_kelvin>();
273            test::<p::deciwatt, a::square_meter, ti::kelvin,
274                ht::deciwatt_per_square_meter_kelvin>();
275            test::<p::centiwatt, a::square_meter, ti::kelvin,
276                ht::centiwatt_per_square_meter_kelvin>();
277            test::<p::milliwatt, a::square_meter, ti::kelvin,
278                ht::milliwatt_per_square_meter_kelvin>();
279            test::<p::microwatt, a::square_meter, ti::kelvin,
280                ht::microwatt_per_square_meter_kelvin>();
281            test::<p::nanowatt, a::square_meter, ti::kelvin,
282                ht::nanowatt_per_square_meter_kelvin>();
283            test::<p::picowatt, a::square_meter, ti::kelvin,
284                ht::picowatt_per_square_meter_kelvin>();
285            test::<p::femtowatt, a::square_meter, ti::kelvin,
286                ht::femtowatt_per_square_meter_kelvin>();
287            test::<p::attowatt, a::square_meter, ti::kelvin,
288                ht::attowatt_per_square_meter_kelvin>();
289            test::<p::zeptowatt, a::square_meter, ti::kelvin,
290                ht::zeptowatt_per_square_meter_kelvin>();
291            test::<p::yoctowatt, a::square_meter, ti::kelvin,
292                ht::yoctowatt_per_square_meter_kelvin>();
293
294            test::<p::watt, a::square_kilometer, ti::degree_celsius,
295                ht::watt_per_square_kilometer_degree_celsius>();
296            test::<p::watt, a::square_meter, ti::degree_celsius,
297                ht::watt_per_square_meter_degree_celsius>();
298            test::<p::watt, a::square_centimeter, ti::degree_celsius,
299                ht::watt_per_square_centimeter_degree_celsius>();
300            test::<p::watt, a::square_millimeter, ti::degree_celsius,
301                ht::watt_per_square_millimeter_degree_celsius>();
302
303            fn test<
304                P: p::Conversion<V>,
305                A: a::Conversion<V>,
306                TI: ti::Conversion<V>,
307                HT: ht::Conversion<V>>()
308            {
309                Test::assert_approx_eq(&HeatTransfer::new::<HT>(V::one()),
310                    &(Power::new::<P>(V::one())
311                        / (Area::new::<A>(V::one()) * TemperatureInterval::new::<TI>(V::one()))));
312            }
313        }
314
315        #[test]
316        fn check_energy_per_time_area_ti_units() {
317            test::<e::joule, t::second, a::square_meter, ti::kelvin,
318                ht::joule_per_second_square_meter_kelvin>();
319            test::<e::joule, t::second, a::square_meter, ti::degree_celsius,
320                ht::joule_per_second_square_meter_degree_celsius>();
321            test::<e::btu_it, t::hour, a::square_foot, ti::degree_fahrenheit,
322                ht::btu_it_per_hour_square_foot_degree_fahrenheit>();
323            test::<e::btu_it, t::hour, a::square_inch, ti::degree_fahrenheit,
324                ht::btu_it_per_hour_square_inch_degree_fahrenheit>();
325            test::<e::btu_it, t::minute, a::square_foot, ti::degree_fahrenheit,
326                ht::btu_it_per_minute_square_foot_degree_fahrenheit>();
327            test::<e::btu_it, t::minute, a::square_inch, ti::degree_fahrenheit,
328                ht::btu_it_per_minute_square_inch_degree_fahrenheit>();
329            test::<e::btu_it, t::second, a::square_foot, ti::degree_fahrenheit,
330                ht::btu_it_per_second_square_foot_degree_fahrenheit>();
331            test::<e::btu_it, t::second, a::square_inch, ti::degree_fahrenheit,
332                ht::btu_it_per_second_square_inch_degree_fahrenheit>();
333            test::<e::btu, t::hour, a::square_foot, ti::degree_fahrenheit,
334                ht::btu_per_hour_square_foot_degree_fahrenheit>();
335            test::<e::btu, t::hour, a::square_inch, ti::degree_fahrenheit,
336                ht::btu_per_hour_square_inch_degree_fahrenheit>();
337            test::<e::btu, t::minute, a::square_foot, ti::degree_fahrenheit,
338                ht::btu_per_minute_square_foot_degree_fahrenheit>();
339            test::<e::btu, t::minute, a::square_inch, ti::degree_fahrenheit,
340                ht::btu_per_minute_square_inch_degree_fahrenheit>();
341            test::<e::btu, t::second, a::square_foot, ti::degree_fahrenheit,
342                ht::btu_per_second_square_foot_degree_fahrenheit>();
343            test::<e::btu, t::second, a::square_inch, ti::degree_fahrenheit,
344                ht::btu_per_second_square_inch_degree_fahrenheit>();
345
346            fn test<
347                E: e::Conversion<V>,
348                T: t::Conversion<V>,
349                A: a::Conversion<V>,
350                TI: ti::Conversion<V>,
351                HT: ht::Conversion<V>>()
352            {
353                Test::assert_approx_eq(&HeatTransfer::new::<HT>(V::one()),
354                    &(Energy::new::<E>(V::one())
355                        / (Time::new::<T>(V::one())
356                            * Area::new::<A>(V::one())
357                            * TemperatureInterval::new::<TI>(V::one()))));
358            }
359        }
360    }
361}