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Abstrak :
Penyimpan Energi Termal dengan sistem chilled water storage pada dasarnya adalah suatu konsep efisiensi dari sistem pendingin yang beroperasi sepanjang hari. Untuk kerja sistem ini dipengaruhi oleh isolator tanki yang digunakan, oleh karena itu perlu dilakukan suatu pengujian untuk memilih isolator tanki yang paling baik. Eksperimen dilakukan dengan membuat tiga model storage tank, yang masing-masing model tersebut berukuran panjang 30 cm, lebar 30 cm, dan tingginya 30 cm serta diisolasi dengan Styrofoam, Armaflex, dan Polyurethane-foam. Ketiga isolator tersebut dapat ditemukan di pasaran. Pengamatan terhadap temperatur dilakukan setiap jam secara kontinu hingga 48 jam dan selama 8 jam untuk kondisi lingkungan konstan. dari hasil pengujian ini dapat disimpulkan bahwa polyurethane-foam merupakan isolator tanki yang paling baik. ......Thermal Energy storage with chilled water storage system is a concept of cooling system which operated for 24 hours. Since the work of this system is affected by tank insulation used, it is necessary to do the test to choose the best tank insulation. The testing of experiment was done by making three models of storage tank in which each model had 30 cm in length, 30 cm in width, and 30 cm in height. Those insulations, which can easily be found in market, were isolated with Styrofoam, Arm flex, and Polyurethane-foam. The observation of the temperature was consecutively done for every one hour until 48 hours and for every 8 hours that its ambient temperature was constant. The result of the experiment showed that polyurethane-foam was the best tank insulation.

Abstrak :
ABSTRAK
Tesis ini membahas internet financial reporting kementerian/lembaga IFR K/L di Indonesia dengan tujuan membuktikan indeks IFR dan faktor-faktor yang mempengaruhi IFR K/L. Sejak adanya Undang-Undang Keterbukaan Informasi Publik UU KIP , instansi pemerintah wajib melakukan transparansi informasi. Prinsipnya menggunakan media yang murah, sederhana, cepat dan tepat waktu. Internet merupakan media yang tepat untuk meningkatkan transparansi pelaporan keuangan oleh K/L. Penelitian ini adalah penelitian kuantitatif dengan 77 K/L sebagai sampel penelitian. Variabel independen dalam penelitian ini, yang diduga menjadi determinan IFR adalah ukuran, kekayaan, tipe, akses ke website, personal value, pertumbuhan, tingkat penggunaan teknologi, kualitas informasi laporan keuangan dan akuntabilitas kinerja K/L. Hasil penelitian ini menunjukkan bahwa variabel akses, tipe, kualitas informasi laporan keuangan dan akuntabilitas kinerja terbukti berpengaruh signifikan pada IFR K/L. Temuan ini dapat digunakan masyarakat sebagai alat pengendalian kinerja K/L melalui informasi di website K/L.

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ABSTRACT
The focus in this study is internet financial ministry non ministry government institution reporting in Indonesia. After the government issued regulations on public disclosure, the government has to report such information. It has to cheap, simple, fast and timely. The internet is an appropriate medium for transparent reporting of public information by the ministry non ministry government institution. The sample in this study is 77 ministry non ministry government institution. This study uses 9 variables are adjusted to the ministry non ministry government institution in Indonesia. It is ministry non ministry government institution Size, Wealth, Type, access to site, personal value, growth, technology, audit opinion and performance accountability. The results showed that the access to site, type, information quality and performance accountability proved significantly affect to the internet financial ministry non ministry government institution reporting. The findings of this study can be used by people as a means of control the ministry non ministry government institution performance based on the reporting of financial information on the Internet.

Abstrak :
Many challenges confront the efforts to build procurement fraud risk management in Industry 4.0. This study aims to assess the risk of procurement fraud in industry 4.0 and disclose strategies to optimize the role of internal auditors in mitigating these risks. The mixed-method has been conducted with data on procurement fraud risks generally accepted by government agencies. A survey involving 140 respondents and interviews with five experts have been completed. The risk assessment in the research findings involved seven procurement fraud risks, with "collusion between providers in e-tendering" ranking the highest. Procurement management must detect and prevent fraud by creating anti-hacker applications, conducting data analytics on business ownership, and ongoing monitoring. Internal auditors must undertake fraud prevention by improving their ability in data analytics, encouraging probity plans, and procurement assistance. Fraud detection is carried out through performance audits using computer-assisted audit techniques, probity audits, information technology governance audits, continuous audits, data analytics, and internal auditor integrity assessments through surveys to the auditee.